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Appendix
AppendixAppendix
Appendix-
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-2
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2
Control via RS-232C – Command Protocol list
Table –1 RS-232C pin-connection configuration
Pin No Signal name Signal items I/O (in projector)
1 CD Not used -
2 RXD Reception data Output
3 TXD Transmission data Input
4 DTR* Data terminal ready Input
5 SG Signal ground -
6 DSR* Data set ready Output
7 RTS** Transmission request Input
8 CTS** Transmission enable Output
9 CI Not used -
* Shorted at projector inside ** Shorted at projector inside
Table –2 RS-232C Communication status
Status name Status
Communication system Transmission speed : 9600bps
Parity bit : NO, Data length : 8 bit, Stop bit : 1 bit
Communication type 1 Block consists of STX (1Byte) + IDT(2Byte) + CMD (3Byte) + ETX (1Byte).
STX=02h, ETX=03h, IDT= Alphanumeric character
2-2-3 Control Commands List:
Table : 1 Standby mode (Command to be used in standby mode )
Item Contents Key(CMD**)
POWER Turning power ON PWR PON
PWR: Alternation switch command PON: Direct switch command
Table : 2 Normal mode (Command to be used in normal mode )
Item Contents Key(CMD**)
POWER Switch projector to power on or off state PWR POF
CALL Show status on the screen, on and off DSP DON DOF
RGB1 Selects RGB – 1 input source IN1
RGB2 Selects RGB – 2 input source IN2
DIGITAL Selects DIGITAL LINK input source IN3
VIDEO Selects VIDEO input source IN4
W/B Switch white balance mode (W/B) WBL WB1 WB2 WB3
ADJUST Enters adjustment mode (ADJUST/MODE) AJS AJY
ID SET Setting ID IDS
Picture mute on or off MSW MON MOF