====================================================================== Control Commands for NEC Projector VT60, VT70, VT80, VT90, VT700, LT170 series Rev1.0.8(modified unreleased) Copyright (C) NEC Display Solutions, Ltd. 2003 - 2007 ---------------------------------------------------------------------- Updated on September 25, 2007 ---------------------------------------------------------------------- This file contains information about NEC projector control commands. Model Name VT: (VT60 series) VT460/VT560/VT660 VT465/VT460K/VT660K GS40/GX50/GX60 VT46 GS45/VT46RU (VT70 series) VT47/VT470/VT470JY/VT570/VT670/VT575/VT676/VT37 (VT80 series) VT48/VT480/VT58/VT580 (VT90 series) VT49/VT59/VT490/VT590/VT595/VT695 (VT700 series) VT700 LT: LT170 ====================================================================== Contents 1. Projector Control 2. Interface Conditions 3. List of Commands 4. Command Descriptions 5. Response 6. Table of Response Error Codes ====================================================================== 1. Projector Control ---------------------------------------------------------------------- NEC projector control commands allow you to control the functions of the projector via connection with a personal computer or another device. ====================================================================== 2. Interface Conditions ---------------------------------------------------------------------- Serial connection ---------------------------------------------------------------------- The communications method conforms to the RS-232C standard. Baud rate: 19200 bps Data length: 8 bits Parity bit: No parity Stop bits: 1 bit Communications mode: Full duplex The control connector is described below. The PC CONTROL connector is a mini DIN 8-pin connector. 1 To TxD of PC 2 3 4 To GND of PC 5 6 7 To RxD of PC 8 * 2, 3, 5, 6, and 8 are used inside the projector. ====================================================================== 3. List of Commands ---------------------------------------------------------------------- * Example for command ---------------------------------------------------------------------- Command name Example ---------------------------------------------------------------------- 001. POWER ON 02H 00H 00H 00H 00H 02H 002. POWER OFF 02H 01H 00H 00H 00H 03H 003. INPUT SELECT RGB(*5) 02H 03H 00H 00H 02H 01H CKS 004. INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH 005. INPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13H 006. PICTURE MUTE ON 02H 10H 00H 00H 00H 12H 007. PICTURE MUTE OFF 02H 11H 00H 00H 00H 13H 008. SOUND MUTE ON 02H 12H 00H 00H 00H 14H 009. SOUND MUTE OFF 02H 13H 00H 00H 00H 15H 010. ONSCREEN MUTE ON 02H 14H 00H 00H 00H 16H 011. LAMP INFORMATION REQUEST 03H 8CH 00H 00H 00H 8FH 012. MUTE CONTROL 02H 1AH 00H 00H 02H CKS 013. VOLUME ADJUST 03H 10H 00H 00H 05H 05H CKS 014. BASE MODEL TYPE REQUEST 00H BFH 00H 00H 01H 00H CKS 015. PROJECTOR INFORMATION REQUEST 00H BFH 00H 00H 01H 02H CKS 016. ERROR STATUS REQUEST 00H 88H 00H 00H 00H 88H 017. INFORMATION REQUEST 03H 8AH 00H 00H 00H 8DH 018. FILTER USAGE INFORMATION REQUEST 03H 95H 00H 00H 00H 98H 019. LAMP INFORMATION REQUEST 3 03H 96H 00H 00H 02H CKS 020. TEMP INFORMATION REQUEST 03H 99H 00H 00H 01H CKS 021. REMOTE KEY CODE 02H 0FH 00H 00H 02H CKS 022. FREEZE CONTROL 01H 98H 00H 00H 01H CKS 023. ORIENTATION SET 03H B1H 00H 00H 02H 0AH 00H C0H 024. AUTO ADJUST EXECUTE2 03H BAH 00H 00H 01H CKS 025. RUNNING SENSE 00H 81H 00H 00H 00H 81H 026. COMMON DATA REQUEST 00H C0H 00H 00H 00H C0H 027. PICTURE ADJUST 03H 10H 00H 00H 05H DATA1`5 CKS 028. KEYSTONE ADJUST 03H 10H 00H 00H 05H 15H FFH DATA3`5 CKS 029. IMAGE MODE ADJUST 03H 10H 00H 00H 05H DATA1`5 CKS 030. LAMP INFORMATION REQUEST 2 03H 94H 00H 00H 00H 97H 031. GAIN PARAMETER REQUEST 2 03H 04H 00H 00H 03H DATA1`3 CKS 032. SETTING REQUEST 00H 85H 00H 00H 01H 00H CKS 033. RUNNING STATUS REQUEST 00H 85H 00H 00H 01H 01H CKS 034. INPUT STATUS REQUEST 00H 85H 00H 00H 01H 02H CKS 035. MUTE STATUS REQUEST 00H 85H 00H 00H 01H 03H CKS 036. MODEL NAME REQUEST 00H 85H 00H 00H 01H 04H CKS 037. INFORMATION STRING REQUEST 00H D0H 00H 00H 03H 00H 00H 00H CKS 038. LAMP MODE REQUEST 03H B0H 00H 00H 01H 07H BBH 039. LAMP MODE SET 03H B1H 00H 00H 02H 07H 00H BDH 040. POWER MANAGEMENT SET 03H B1H 00H 00H 02H 17H 00H CDH 041. KEYSTONE SELECT SET 03H B1H 00H 00H 01H 93H DATA02 CKS * Availability by Model ---------------------------------------------------------------------- Model No. Meaning of Symbol ------------------------- ----------------------------- 01 : LT170 * : Supported 02 : VT60 series ! : Is available depending on the model's version 03 : VT70 series - : Not supported 04 : VT80 series 05 : VT90 series 06 : VT700 series Availability by Model --------------------------------------------------------------------------- Command Name 01 02 03 04 05 06 --------------------------------------------------------------------------- 001. POWER ON * * * * * * 002. POWER OFF * * * * * * 003. INPUT SELECT RGB(*5) * * * * * * 004. INPUT SELECT VIDEO * * * * * * 005. INPUT SELECT S-VIDEO * * * * * * 006. PICTURE MUTE ON * * * * * * 007. PICTURE MUTE OFF * * * * * * 008. SOUND MUTE ON * * * * * * 009. SOUND MUTE OFF * * * * * * 010. ONSCREEN MUTE ON * * * * * * 011. LAMP INFORMATION REQUEST * * * * * * 012. MUTE CONTROL * * * * * * 013. VOLUME ADJUST - - - * * * Volume - - - * * * Bass - - - - - - Treble - - - - - - Balance - - - - - - 014. BASE MODEL TYPE REQUEST - - - * * * 015. PROJECTOR INFORMATION REQUEST - - - * * * 016. ERROR STATUS REQUEST - - - - * * 017. INFORMATION REQUEST - - - - * * 018. FILTER USAGE INFORMATION REQUEST - - - - * * 019. LAMP INFORMATION REQUEST 3 - - - - * * 020. TEMP INFORMATION REQUEST - - - - * * 021. REMOTE KEY CODE - - - * * * 022. FREEZE CONTROL - - - ! * * 023. ORIENTATION SET - - - - * * 024. AUTO ADJUST EXECUTE2 - - - - ! * 025. RUNNING SENSE - - - - - * 026. COMMON DATA REQUEST - - - - - * 027. PICTURE ADJUST - - - - - * 028. KEYSTONE ADJUST - - - - - * 029. IMAGE MODE ADJUST - - - - - * 030. LAMP INFORMATION REQUEST 2 - - - - - * 031. GAIN PARAMETER REQUEST 2 - - - - - * 032. SETTING REQUEST - - - - - * 033. RUNNING STATUS REQUEST - - - - - * 034. INPUT STATUS REQUEST - - - - - * 035. MUTE STATUS REQUEST - - - - - * 036. MODEL NAME REQUEST - - - - - * 037. INFORMATION STRING REQUEST - - - - - * 038. LAMP MODE REQUEST - - - - - * 039. LAMP MODE SET - - - - - * 040. POWER MANAGEMENT SET - - - - - * 041. KEYSTONE SELECT SET - - - - - * ====================================================================== 4. Command Descriptions ---------------------------------------------------------------------- Precautions with Inscriptions: (*1) Control ID This refers to the Control ID. (*2) Model code : "xxH" inscription This will differ depending on the projector. In case of LT series 20H In case of VT series 40H (*3) Checksum : "CKS" inscription This is the value of the lower 1 byte (8 bits) of the results calculated in byte units from all the of the data up to the immediately preceding data. Example) 20H 81H 01H 60H 01H 00H CKS 20H + 81H + 01H + 60H + 01H + 00H = 103H CKS = 03H (*4) Response error number This is the value of the error number at the time of an error. See "NAK" of "6. Table of Response Error Codes". (*5) Term "RGB" and "COMPUTER" On the LT170, VT70, VT80, VT90, VT700 series, the term "RGB connector" has been changed to "COMPUTER". 001. POWER ON ********************************************************************** Function: This command switches on the main power of the projector. Command: 02H 00H 00H 00H 00H 02H Response: At the time of a success 22H 00H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 00H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: The projector does not accept the other command during power on processing. 002. POWER OFF ********************************************************************** Function: This command switches off the main power of the projector. Command: 02H 01H 00H 00H 00H 03H Response: At the time of a success 22H 01H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 01H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: * The projector doesn't accept the other command during power off processing.( It contains a cooling period.) 003. INPUT SELECT RGB (*5) ********************************************************************** Function: This command switches the input terminal or input signal to RGB (*5). Command: 02H 03H 00H 00H 02H 01H DATA01 CKS (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 01H : RGB1 (*5) 02H : RGB2 (*5)(!1) 1AH : DVI(DIGITAL) (*5)(!2) (!1)VT470/VT470JY/VT570/VT670/VT575/VT676/VT480/VT580/ VT595/VT695/VT700 (!2)VT595/VT695/VT700 Response: At the time of a success 22H 03H 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 Results 00H : Normal FFH : Error (Signal select was not executed) Response: At the time of a failure A2H 03H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 004. INPUT SELECT VIDEO ********************************************************************** Function: This command switches the input terminal or input signal to VIDEO. Command: 02H 03H 00H 00H 02H 01H 06H 0EH Response: At the time of a success 22H 03H 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 Results 00H : Normal FFH : Error (Signal select was not executed) Response: At the time of a failure A2H 03H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 005. INPUT SELECT S-VIDEO ********************************************************************** Function: This command switches the input terminal or input signal to S-VIDEO. Command: 02H 03H 00H 00H 02H 01H 0BH 13H Response: At the time of a success 22H 03H 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 Results 00H : Normal FFH : Error (Signal select was not executed) Response: At the time of a failure A2H 03H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 006. PICTURE MUTE ON ********************************************************************** Function: This command mutes a picture. Command: 02H 10H 00H 00H 00H 12H Response: At the time of a success 22H 10H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: * Picture mute is cancelled for the following: Input connector switching Video signal switching 007. PICTURE MUTE OFF ********************************************************************** Function: This command cancels the picture muting. Command: 02H 11H 00H 00H 00H 13H Response: At the time of a success 22H 11H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 11H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 008. SOUND MUTE ON ********************************************************************** Function: This command mutes the sound. Command: 02H 12H 00H 00H 00H 14H Response: At the time of a success 22H 12H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 12H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: * Sound mute is cancelled for the following: Input connector switching Video signal switching Volume adjustment 009. SOUND MUTE OFF ********************************************************************** Function: This command cancels the sound muting. Command: 02H 13H 00H 00H 00H 15H Response: At the time of a success 22H 13H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 13H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 010. ONSCREEN MUTE ON ********************************************************************** Function: This command mutes the on-screen display. Command: 02H 14H 00H 00H 00H 16H Response: At the time of a success 22H 14H 01H xxH 00H CKS (*1) (*2) (*3) Response: At the time of a failure A2H 14H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: * This is available only during on-screen display. 011. LAMP INFORMATION REQUEST ********************************************************************** Function: This command acquires the lamp information (in terms of Normal mode values) of projector. Command: 03H 8CH 00H 00H 00H 8FH Response: At the time of a success 23H 8CH 01H xxH 10H DATA01 to DATA16 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 to 04 Lamp Hour Meter(Normal mode) (second) DATA05 to 08 Reserved DATA09 to 12 Lamp Use Warning Starting Time(Normal mode) (second) DATA13 to 16 Lamp Use Prohibited Time(Normal mode) (second) Response: At the time of a failure A3H 8CH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: Example for acquiring remaining lamp time (in terms of Normal mode values) : Lamp Hour Meter (Normal mode) DATA01 DATA02 DATA03 DATA04 30H 2AH 00H 00H : 10800 second : Starting time for lamp usage warning message (in terms of Normal mode values) DATA09 DATA10 DATA11 DATA12 00H DDH 6DH 00H : 7200000 second Lamp remaining time (in terms of Normal mode values) = (7200000 - 10800) / 3600 = 1997 hour 012. MUTE CONTROL ********************************************************************** Function: This command controls the mute of picture, sound and on-screen. Command: 02H 1AH 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 Setting Items 00H : Picture 01H : Sound 02H : On-Screen (DATA2 can be specified only for "On") DATA02 Setting Value 00H : OFF 01H : ON Response: At the time of a success 22H 1AH 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 Results 00H : Normal 01H : Error Response: At the time of a failure A2H 1AH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: * Sound mute is cancelled in the following cases: Input connector switching Video signal switching Volume adjustment 013. VOLUME ADJUST ********************************************************************** Function: This command sets the volume. Command: 03H 10H 00H 00H 05H DATA01 to DATA05 CKS (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 05H fixed DATA02 Setting items 00H : Volume 01H : Bass 02H : Treble 03H : Balance DATA03 Setting mode 00H : Absolute value specification 01H : Relative value specification DATA04 Setting Value ( Lower ranking 8 bits ) DATA05 Setting Value ( Upper ranking 8 bits ) Response: At the time of a success 23H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 to 02 Results 0000H : Normal 0000H Other : Error Response: At the time of a failure A3H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: Command example: * Setting Volume to "10" 03H 10H 00H 00H 05H 05H 00H 00H 0AH 00H 27H 014. BASE MODEL TYPE REQUEST ********************************************************************** Function: This command acquires the projector type. Command: 00H BFH 00H 00H 01H 00H C0H Response: At the time of a success 20H BFH 01H xxH 10H DATA01 to DATA16 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 00H fixed DATA02 to 03 Projector type See DATA13 to 14 DATA04 to 12 Model name (NULL termination character string) DATA13 to 14 Projector type +--------+--------+--------+--------+--------------+ | DATA02 | DATA03 | DATA13 | DATA14 | | +--------+--------+--------+--------+--------------+ | 01H | 03H | 00H | 06H | VT80 series | +--------+--------+--------+--------+--------------+ | 01H | 03H | 00H | 07H | VT90 series | +--------+--------+--------+--------+--------------+ | 01H | 10H | 00H | 08H | VT700 series | +--------+--------+--------+--------+--------------+ DATA15 to 16 Reserved Response: At the time of a failure A0H BFH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 015. PROJECTOR INFORMATION REQUEST ********************************************************************** Function: This command acquires basic operation states of projector. Command: 00H BFH 00H 00H 01H 02H C2H Response: At the time of a success 20H BFH 01H xxH 10H DATA01 to DATA16 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 02H fixed DATA02 Projector Processing Status 00H : Idle 04H : Power On 05H : Cooling 06H : Idle(Error Standby) Other : Not Supported Other than above : (nondisclosure) internal use of code during a state transition period DATA03 Indicate Contents 00H : Picture signal displaying 01H : No Signal 02H : Viewer displaying 03H : Test Pattern displaying 04H : LAN displaying 05H : Test Pattern (User) displaying 10H : Signal selection in progress Other : Not Supported DATA04 Select source input type 1 01H : 1 02H : 2 03H : 3 04H : 4 05H : 5 Other : Not Supported DATA05 Select source input type 2 01H : COMPUTER (RGB) 02H : VIDEO 03H : S-VIDEO 04H : COMPONENT 05H : Reserved 06H : DIGITAL 07H : VIEWER 08H : SLOT1 09H : SLOT2 0AH : SLOT3 0BH : SLOT4 0CH : DIGITAL2 0DH : SCART 10H : AUTO FFH : Not Source Input Other : Not Supported DATA06 Indication signal type (Effective only when Select source input type 2 is 02H or 03H) x0H : NTSC3.58 x1H : NTSC4.43 x2H : PAL x3H : PAL60 x4H : SECAM x5H : B/W60 x6H : B/W50 x7H : PALNM x8H : NTSC3.58 LBX x9H : NTSC3.58 SQZ xAH : COMPONENT(60Hz) xBH : COMPONENT(50Hz) xCH : Un known xDH : NTSC xEH : PAL-M xFH : PAL-N FFH : Not Video Input Other : Not Supported * "x" means indefinite DATA07 Picture Mute 00H : OFF 01H : ON DATA08 Sound Mute 00H : OFF 01H : ON DATA09 On-screen mute 00H : OFF 01H : ON DATA10 to DATA16 Reserved Response: At the time of a failure A0H BFH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 016. ERROR STATUS REQUEST ********************************************************************** Function: This command acquires the error information occurring with the projector. Command: 00H 88H 00H 00H 00H 88H Response: At the time of a success 20H 88H 01H xxH 0CH DATA01 to DATA12 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- * The various bits are normal is "0" and error is "1". * "None" is "0" fixation. DATA01 Error Status(1) bit0 : Lamp cover error bit1 : Temperature error(Bimetal) bit2 : None bit3 : Fan error bit4 : Fan error bit5 : Power error bit6 : Lamp(or Lamp1) error bit7 : Lamp(or Lamp1) has reached its end of life DATA02 Error Status(2) bit0 : Lamp(or Lamp1) has been used beyond its limit bit1 : Formatter error bit2 : Lamp2 error bit3 : None bit4 : None bit5 : None bit6 : None bit7 : None DATA03 Error Status(3) bit0 : None bit1 : FPGA error bit2 : Temperature error(Sensor) bit3 : Lamp(or Lamp1) housing error (!) bit4 : Lamp(or Lamp1) data error (!) bit5 : Mirror cover error bit6 : Lamp2 has reached its end of life bit7 : Lamp2 has been used beyond its limit DATA04 Error Status(4) bit0 : Lamp2 housing error bit1 : Lamp2 data error bit2 : High temperature due to dust pile-up bit3 : A foreign object sensor error bit4 : None bit5 : None bit6 : None bit7 : None DATA05 to 12 Reserved Response: At the time of a failure A0H 88H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 017. INFORMATION REQUEST ********************************************************************** Function: This command acquires the projector information. Command: 03H 8AH 00H 00H 00H 8DH Response: At the time of a success 23H 8AH 01H xxH 62H DATA01 to DATA98 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 to 49 Projector name (NULL termination character string) DATA50 to 82 Reserved DATA83 to 86 Lamp Hour Meter (second) (!) DATA87 to 90 Filter Usage (second) DATA91 to 94 Panel Usage (second) DATA95 to 98 Projector Usage (second) Response: At the time of a failure A3H 8AH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: (!) Lamp Hour Meter This is the timer for normal lamp mode conversion. Lamp Timer Acquisition Examples DATA83 DATA84 DATA85 DATA86 : Lamp Timer 00H 00H 00H 00H : Total 0 seconds C0H 65H 52H 00H : Total 5400000 seconds = 1500 hours 00H E4H 57H 00H : Total 5760000 seconds = 1600 hours * The projector's hours of use is displayed in terms of Normal mode values. It is also displayed with truncated a number after decimal point. 018. FILTER USAGE INFORMATION REQUEST ********************************************************************** Function: This command acquires the information about the projector's filter. Command: 03H 95H 00H 00H 00H 98H Response: At the time of a success 23H 95H 01H xxH 08H DATA01 to DATA08 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 04 Filter usage time (second) DATA05 to 08 Starting time for filter usage warning message (second)(!) Response: At the time of a failure A3H 95H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: (!) If the model does not have filter, "-1" will be sent. 019. LAMP INFORMATION REQUEST 3 ********************************************************************** Function: This command acquires the information on the projector lamp. Command: 03H 96H 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Target 00H : Lamp1 01H : Lamp2 DATA02 Item 01H : Lamp usage time (second) 04H : lamp remaining amount until lamp warning message (100% to -10%) 08H : Remaining time until lamp warning message starts to appear (in terms of specified values) 09H : Remaining time until lamp warning message starts to appear (in terms of Normal mode values) 0AH : Remaining time until lamp warning message starts to appear (in terms of Eco mode values) 10H : Remaining time until inhibition of lamp usage (in terms of specified values) 11H : Remaining time until inhibition of lamp usage (in terms of Normal mode values) 12H : Remaining time until inhibition of lamp usage (in terms of Eco mode values) Response: At the time of a success 23H 96H 01H xxH 06H DATA01 to DATA06 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 same values as DATA01 of the command DATA02 same values as DATA02 of the command DATA03 to 06 Acquired information(!) Response: At the time of a failure A3H 96H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: * In case of acquiring lamp's use of hours 03H 96H 00H 00H 02H 00H 01H 9CH Example of acquisition DATA03 DATA04 DATA05 DATA06 : lamp's use of hours 50H 46H 00H 00H : 18000 seconds Lamp Usage = 18000 / 3600 = 5 hour * In case of acquiring the remaining time until lamp warning message starts to appear (in terms of specified values) 03H 96H 00H 00H 02H 00H 08H A3H Example of acquisition DATA03 DATA04 DATA05 DATA06 : Remaining time 40H 7EH 05H 00H : 360000 seconds Remaining time until lamp warning message starts to appear = 360000/ 3600 = 100 hours (!) If "time" is specifed for "Options for acquistion", values in seconds will be returned. 020. TEMP INFORMATION REQUEST ********************************************************************** Function: This command acquires the information about temperature inside the projector. Command 03H 99H 00H 00H 01H DATA01 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Target sensor 00H : Intake (outside air) temperature Response: At the time of a success 23H 99H 01H xxH 05H DATA01 to DATA05 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Setting Items ( Same as DATA01 of the transmit data ) DATA02 to 05 Temperature information (long type unit: 0.1 degree Celsius/32.18 degrees Fahrenheit: 0 degree Celsius/32 degrees Fahrenheit or less will be returned as 0 degree Celsius/32 degrees Fahrenheit) Response: At the time of a failure A3H 99H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: Example for Temp DATA02 DATA03 DATA04 DATA05 CBH 01H 00H 00H : 45.9 degrees Celsius/ 114.6 degrees Fahrenheit 021. REMOTE KEY CODE ********************************************************************** Function: This command sends remote control key codes of projector. Command: 02H 0FH 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 to 02 Remote control key code (Word type) Key number DATA01 DATA02 Key name -------------------------------------------- 5 05H 00H AUTO 6 06H 00H MENU 7 07H 00H UP 8 08H 00H DOWN 9 09H 00H RIGHT 10 0AH 00H LEFT 11 0BH 00H ENTER 12 0CH 00H CANCEL 13 0DH 00H HELP 238 EEH 00H LAMP MODE Response: At the time of a success 22H 0FH 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ------------------------------------------------------------------- DATA01 Results 00H : Normal FFH : Error Response: At the time of a failure A2H 0FH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 022. FREEZE CONTROL ********************************************************************** Function: This command controls the freeze. Command: 01H 98H 00H 00H 01H DATA01 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Target 01H : Freeze ON 02H : Freeze OFF Response: At the time of a success 21H 98H 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Results 00H : Normal 01H : Error Response: At the time of a failure A1H 98H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 023. ORIENTATION SET ********************************************************************** Function: This command sets the orientation of projector. Command: 03H B1H 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 0AH fixed DATA02 Setting Value 00H : Desktop Front 01H : Ceiling Rear 02H : Desktop Rear 03H : Ceiling Front Response: At the time of a success 23H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 0AH fixed DATA02 Results 00H : Normal 01H : Error Response: At the time of a failure A3H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 024. AUTO ADJUST EXECUTE2 ********************************************************************** Function: This command executes the Auto Adjust. Command: 03H BAH 00H 00H 01H 00H BEH Response: At the time of a success 23H BAH 01H xxH 01H 00H CKS (*1) (*2) (*3) Response: At the time of a failure A3H BAH 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 025. RUNNING SENSE ********************************************************************** Function: This command acquires the operation mode of the projector. Command: 00H 81H 00H 00H 00H 81H Response: At the time of a success 20H 81H 01H xxH 01H DATA01 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Status of operation Bit 7 : Power On/Off processing 0 = No execution(Normal condition) 1 = During execution Bit 6 : Selecting signal processing 0 = No execution(Normal condition) 1 = During execution Bit 5 : Cooling processing 0 = No execution(Normal condition) 1 = During execution Bit 4 : Reserved Bit 3 : Reserved Bit 2 : Reserved Bit 1 : Projector status 0 = Idling 1 = Power On Bit 0 : Reserved Response: At the time of a failure A0H 81H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 026. COMMON DATA REQUEST ********************************************************************** Function: This command acquisition of the detailed conditions of the projector. Command: 00H C0H 00H 00H 00H C0H Response: At the time of a success 20H C0H 01H xxH 80H DATA01 to DATA128 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Projector type See DATA70 to 71 DATA02 Control ID 1 to 64 FFH : Not Support DATA03 Reserved DATA04 Projector status 00H : Idling 01H : Power On FFH : Not Support DATA05 Cooling processing 00H : No execution(Normal condition) 01H : During execution FFH : Not Support DATA06 Indication signal number(Entry list number - 1) FFH : Not Support DATA07 Type 1 of input terminal to be selected (!) 01H : 1 02H : 2 03H : 3 04H : 4 05H : 5 FFH : Not Support DATA08 Type 2 of input terminal to be selected (!) 01H : COMPUTER (RGB) 02H : VIDEO 03H : S-VIDEO 04H : COMPONENT 05H : Reserved 06H : DIGITAL 07H : VIEWER 08H : SLOT1 09H : SLOT2 FFH : Not Support DATA09 Indication signal type * Valid only when Type 2 of input terminal is 02H or 03H x0H : NTSC3.58 x1H : NTSC4.43 x2H : PAL x3H : PAL60 x4H : SECAM x5H : B/W60 x6H : B/W50 x7H : PALNM x8H : NTSC3.58 LBX x9H : NTSC3.58 SQZ xDH : NTSC xEH : PAL-M xFH : PAL-N * x: undefined DATA10 to 12 Reserved (undefined) DATA13 to 20 Horizontal frequency of the indication signal(string) ( "000" kHz + NULL(0)+ NULL(0)) All NULL(0) : Not Support DATA21 to 28 Vertical frequency of the indication signal(string) ( "000" Hz + NULL(0)+ NULL(0)) All NULL(0) : Not Support DATA29 Picture mute 00H : OFF 01H : ON FFH : Not Support DATA30 Sound mute 00H : OFF 01H : ON FFH : Not Support DATA31 to 32 Reserved DATA33 to 34 Test pattern display DATA33 : Test pattern display 1 00H : No display(Normal condition) DATA34 : Test pattern display 2 Bit 2 : BLUE pattern FFH = No display Bit 1 : GREEN pattern FFH = No display Bit 0 : RED pattern FFH = No display DATA35 to 50 Reserved DATA51 to 65 User registration name ( 14 characters + NULL ) All NULL(0) : Not Support DATA66 Forced On-screen mute FFH : Not Support DATA67 On-screen display FFH : Not Support DATA68 Selecting signal processing 00H : No execution(Normal condition) 01H : During execution DATA69 Status of operation 00H : Idling 04H : Power On 05H : Cooling 06H : Idling(Error occurrence) FFH : Not Support internal use of code during a state transition period DATA70 to 71 Projector type --------++--------+--------+------------------ DATA01 || DATA70 | DATA71 | --------++--------+--------+------------------ 03H || 00H | 06H | VT80 series 03H || 00H | 07H | VT90 series 10H || 00H | 08H | VT700 series DATA72 PC Card insertion FFH : Not Support DATA73 USB Mouse connection FFH : Not Support DATA74 Entry list type FFH : Not Support DATA75 to 82 Reserved DATA83 On-screen mute FFH : Not Support DATA84 Reserved DATA85 Indicate Contents 00H : Picture signal displaying 01H : No Signal 02H : Viewr displaying 03H : Test pattern displaying 04H : LAN displaying 10H : Signal selection in progress FFH : Not Support DATA86 to 128 Reserved Response: At the time of a failure A0H C0H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: (!)VT700 +-------------------------+-----------+----------------+ | Selected input terminal | DATA07 | DATA08 | +-------------------------+-----------+----------------+ | Computer1 | 1 (01H) | COMPUTER (01H)| | Computer2(Analog) | 2 (02H) | COMPUTER (01H)| | Computer2(Digital) | 2 (01H) | COMPUTER (06H)| | Video | 1 (01H) | VIDEO (02H)| | S-Video | 1 (01H) | S-VIDEO (03H)| +-------------------------+-----------+----------------+ 027. PICTURE ADJUST ********************************************************************** Function: This command adjusts the Picture. Command: 03H 10H 00H 00H 05H DATA01 to DATA05 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Adjustment items 00H : Brightness 01H : Contrast 02H : Color 03H : Hue 04H : Sharpness DATA02 FFH fixed DATA03 Adjustment mode 00H : Absolute value specification 01H : Relative value specification DATA04 Adjustment value ( Lower ranking 8 bits ) DATA05 Adjustment value ( Upper ranking 8 bits ) Response: At the time of a success 23H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 02 Results 0000H : Normal 0000H Other : Error Response: At the time of a failure A3H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: Command example: * Setting Brightness to 10 03H 10H 00H 00H 05H 00H FFH 00H 0AH 00H 21H * Setting Brightness to -10 03H 10H 00H 00H 05H 00H FFH 00H F6H FFH 0CH 028. KEYSTONE ADJUST ********************************************************************** Function: This command adjusts the Keystone. Command: 03H 10H 00H 00H 05H 15H 01H DATA03 to DATA05 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 15H fixed DATA02 01H fixed DATA03 Adjustment mode 00H : Absolute value specification 01H : Relative value specification DATA04 Adjustment value ( Lower ranking 8 bits ) DATA05 Adjustment value ( Upper ranking 8 bits ) Response: At the time of a success 23H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 02 Results 0000H : Normal 0000H Other : Error Response: At the time of a failure A3H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: Command example: * Setting Keystone to 10 03H 10H 00H 00H 05H 15H 01H 00H 0AH 00H 38H * Setting Keystone to -10 03H 10H 00H 00H 05H 15H 01H 00H F6H FFH 23H 029. IMAGE MODE ADJUST ********************************************************************** Function: This command adjusts the Image Mode. Command: 03H 10H 00H 00H 05H DATA01 to DATA05 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 02 Adjustment items +--------+--------+---------------------------+ | DATA01 | DATA02 | Adjustment items | +--------+--------+---------------------------+ | 18H | 00H | Aspect Ratio (!1) | +--------+--------+---------------------------+ DATA03 Adjustment mode 00H : Absolute value specification 01H : Relative value specification DATA04 Adjustment value (Lower ranking 8 bits)(!1) DATA05 Adjustment value (Upper ranking 8 bits)(!1) Response: At the time of a success 23H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 02 Results 0000H : Normal 0000H Other : Error Response: At the time of a failure A3H 10H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: Command example: * Setting the Aspect Ratio to Wide Zoom 03H 10H 00H 00H 05H 18H 00H 00H 01H 00H 31H (!1) Adjustment value ( when absolute value is specified ) Adjustment items Adjustment value Aspect Ratio 0000H : Normal 0001H : Wide Zoom 0002H : Cinema 0003H : Native 030. LAMP INFORMATION REQUEST 2 ********************************************************************** Function: This command acquires lamp remaining amount. Command: 03H 94H 00H 00H 00H 97H Response: At the time of a success 23H 94H 01H xxH 05H DATA01 to DATA05 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 04 Reserved DATA05 lamp remaining amount (100% to -10%) Response: At the time of a failure A3H 94H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 031. GAIN PARAMETER REQUEST 2 ********************************************************************** Function: This command acquires the adjustment values. Command: 03H 04H 00H 00H 03H DATA01 to DATA03 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 02 Acquirement items (!) DATA03 00H fixed Response: At the time of a success 23H 04H 01H xxH 0DH DATA01 to DATA13 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Adjustment status 00H : Displaying impossible 01H : Adjustment impossible 02H : Adjustment possible FFH : Selected gain is not available. DATA02 Maximum adjustment value (Lower ranking 8 bits) DATA03 Maximum adjustment value (Upper ranking 8 bits) DATA04 Minimum adjustment value (Lower ranking 8 bits) DATA05 Minimum adjustment value (Upper ranking 8 bits) DATA06 Default adjustment value (Lower ranking 8 bits) DATA07 Default adjustment value (Upper ranking 8 bits) DATA08 Current value (Lower ranking 8 bits) DATA09 Current value (Upper ranking 8 bits) DATA10 to 13 Reserved Response: At the time of a failure A3H 04H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: (!1) See the "Acquirement items" for further information about Acquirement items. [Acquirement items] +--------+--------+--------------------------------------+ | DATA01 | DATA02 | Acquirement name | +--------+--------+--------------------------------------+ | 00H | 00H | Picture / Brightness | | 01H | 00H | Picture / Contrast | | 02H | 00H | Picture / Color | | 03H | 00H | Picture / Hue | | 04H | 00H | Picture / Sharpness | | 05H | 00H | Volume | | 05H | 01H | Sound / Bass | | 05H | 02H | Sound / Treble | | 05H | 03H | Sound / Balance | | 15H | 01H | Keystone V | | 18H | 00H | Aspect Ratio / Input Signal | +--------+--------+--------------------------------------+ Command example: In case of acquiring Picture Brightness. 03H 04H 00H 00H 03H 00H 00H 00H 0AH 032. SETTING REQUEST ********************************************************************** Function: This command acquires the function information of projector. Command: 00H 85H 00H 00H 01H 00H 86H Response: At the time of a success 20H 85H 01H xxH 20H DATA01 to DATA32 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 03 Projector type --------++--------+--------+------------------ DATA01 || DATA02 | DATA03 | --------++--------+--------+------------------ 03H || 00H | 06H | VT80 series 03H || 00H | 07H | VT90 series 10H || 00H | 08H | VT700 series --------++--------+--------+------------------ DATA04 Sound function 00H : Not available 01H : Available DATA05 Calender function 00H : No function 01H or 03H : Timer function, sleep timer function function 02H : Sleep timer function DATA06 to 32 Reserved Response: At the time of a failure A0H 85H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 033. RUNNING STATUS REQUEST ********************************************************************** Function: This command acquires the status of the projector operation. Command: 00H 85H 00H 00H 01H 01H 87H Response: At the time of a success 20H 85H 01H xxH 10H DATA01 to DATA16 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 02 Reserved DATA03 Projector status 00H : Idling 01H : Power On FFH : Not Support DATA04 Cooling processing 00H : No execution(Normal condition) 01H : During execution FFH : Not Support DATA05 Power On/Off processing 00H = No execution(Normal condition) 01H = During execution FFH : Not Support DATA06 Status of operation 00H : Idling 04H : Power On 05H : Cooling 06H : Idling(Error occurrence) FFH : Not Support internal use of code during a state transition period DATA07 PC Card insertion FFH : Not Support DATA08 USB Mouse connection FFH : Not Support DATA09 to 16 Reserved Response: At the time of a failure A0H 85H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 034. INPUT STATUS REQUEST ********************************************************************** Function: This command acquires the status of input signal of the projector. Command: 00H 85H 00H 00H 01H 02H 88H Response: At the time of a success 20H 85H 01H xxH 10H DATA01 to DATA16 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Selecting signal processing 00H : No execution(Normal condition) 01H : During execution FFH : Not Support DATA02 Signal number(Entry list number - 1) FFH : Not Support DATA03 to 04 Selected input terminal +---------------------+--------+--------+ | Terminal name | DATA03 | DATA04 | +---------------------+--------+--------+ | Computer1 | 01H | 01H | | Computer2(Analog) | 02H | 01H | | Computer2(Digital) | 01H | 06H | | Video | 01H | 02H | | S-Video | 01H | 03H | +---------------------+--------+--------+ DATA05 Entry list type FFH : Not Support DATA06 Test pattern display 00H : No display(Normal condition) 01H : Displaying FFH : Not Support DATA07 to 08 Reserved DATA09 Indicate Contents 00H : Picture signal displaying 01H : No signal 02H : Viewr displaying 03H : Test pattern displaying 04H : LAN displaying FFH : Not Support DATA10 to 16 Reserved Response: At the time of a failure A0H 85H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 035. MUTE STATUS REQUEST ********************************************************************** Function: This command acquires the status of the mute of projector. Command: 00H 85H 00H 00H 01H 03H 89H Response: At the time of a success 20H 85H 01H xxH 10H DATA01 to DATA16 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Picture mute 00H : OFF 01H : ON FFH : Not Support DATA02 Sound mute 00H : OFF 01H : ON FFH : Not Support DATA03 On-screen mute FFH : Not Support DATA04 Forced on-screen mute FFH : Not Support DATA05 On-screen display FFH : Not Support DATA06 to 16 Reserved Response: At the time of a failure A0H 85H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 036. MODEL NAME REQUEST ********************************************************************** Function: This command acquires the model name of the projector. Command: 00H 85H 00H 00H 01H 04H 8AH Response: At the time of a success 20H 85H 01H xxH 20H DATA01 to DATA32 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 to 32 Model name (NULL termination character string) Response: At the time of a failure A0H 85H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 037. INFORMATION STRING REQUEST ********************************************************************** Function: This command acquires information character string displayed from projector. Command: 00H D0H 00H 00H 03H DATA01 to DATA03 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Resource language selection 00H : English fixed DATA02 Classification by information type (!1) DATA03 Selection for character string to be acquired 01H : Acquisition of information character string Response: At the time of a success 20H D0H 01H xxH ??H DATA01 to DATA?? CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 Classification by information type (!1) ( Same as DATA02 of the transmit data ) DATA02 Character string types ( Same as DATA03 of the transmit data ) DATA03 String length of label / information ( not including NULL character ) DATA04 to DATAxx Character string of label / information ( NULL termination character string ) Response: At the time of a failure A0H D0H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) Supplement: (!1)Information type Number Title Description ----------------------------------------------------------------- 3 (03H) Horizontal Frequency 4 (04H) Vertical Frequency 038. LAMP MODE REQUEST ********************************************************************** Function: This command acquires the setting of the lamp mode of projector. Command: 03H B0H 00H 00H 01H 07H BBH Response: At the time of a success 23H B0H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 07H fixed DATA02 Setting Value 00H : Normal 01H : Eco Response: At the time of a failure A3H B0H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 039. LAMP MODE SET ********************************************************************** Function: This command sets the lamp mode of projector. Command: 03H B1H 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 07H fixed DATA02 Setting Value 00H : Normal 01H : Eco Response: At the time of a success 23H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 07H fixed DATA02 Results 00H : Normal 01H : Error Response: At the time of a failure A3H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 040. POWER MANAGEMENT SET ********************************************************************** Function: This command sets the power management of projector. Command: 03H B1H 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 17H fixed DATA02 Setting Value 00H : OFF 01H : 0:05 02H : 0:10 03H : 0:20 04H : 0:30 Response: At the time of a success 23H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 17H fixed DATA02 Results 00H : Normal 01H : Error Response: At the time of a failure A3H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) 041. KEYSTONE SELECT SET ********************************************************************** Function: This command sets the Keystone Select. Command: 03H B1H 00H 00H 02H DATA01 DATA02 CKS (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 93H fixed DATA02 Setting Value 00H : Auto 01H : Manual Response: At the time of a success 23H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*3) Data Portion Contents ----------------------------------------------------------------- DATA01 93H fixed DATA02 Results 00H : Normal 01H : Error Response: At the time of a failure A3H B1H 01H xxH 02H DATA01 DATA02 CKS (*1) (*2) (*4) (*3) ====================================================================== 5. Response ---------------------------------------------------------------------- * At the time of a success( ACK ) This returns ACK without adding data portion to the command that does not request data. This returns ACK with adding data to the data portion for the command that requests data. * At the time of a failure( NAK ) This adds a cause of not accepting the command to data portion to return it. (Example) Power On Command: 02H 00H 00H 00H 00H CKS Response: A2H 00H 01H 40H 02H DATA01 DATA02 CKS ====================================================================== 6. Table of Response Error Codes ---------------------------------------------------------------------- +------------+------------+--------------------------------------+ | DATA01 | DATA02 | | | | Error | | | Error types| description| Error contents | +------------+------------+--------------------------------------+ | 00H | 00H | Unknown command | | 00H | 01H | The current model does not support | | | | this function. | | 01H | 00H | Invalid values specified. | | 01H | 01H | Specified terminal is unavailable or | | | | cannot be selected | | 02H | 03H | Setting not possible | | 02H | 0DH | Power Off inhibited | +------------+------------+--------------------------------------+