Toshiba TLP780U - Manual (Page 73)

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Others
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CONTROL RS-232C
Classification Items/Status
Selection Adjustment Analog RGB(1)
Digital RGB
Video
Y/P B /P R Camera
Command Command Analog RGB(2) S-Video
Power On PON - Yes Yes Yes Yes Yes
Off (with confirmation message) POF - Yes Yes Yes Yes Yes
Shut Down (without confirmation message) PSD - Yes Yes Yes Yes Yes
Normal (RS-232C Condition Display Off) DOF - Yes Yes Yes Yes Yes
Picture Contrast VCN Yes Yes Yes Yes Yes Yes
Brightness VBR Yes Yes Yes Yes Yes Yes
Sharpness VSH Yes - - Yes Yes Yes
Camera gain Increase CGU - - - - - Yes
Decrease CGD - - - - - Yes
Picture mode Bright MVB - Yes Yes - - -
True color MVP - Yes Yes - - -
Pin No.
1
2
3
4
5
6
7
8
Signal
RXD
CTS
DSR
GND
RTS
N.C
TXD
N.C
Description
Receiving data
Consent to send
Data set ready
Signal ground
Request to send
No connection
Sending data
No connection
Continued
Controlling the projector by using RS-232C
You can also control the projector by entering the command from a computer via RS-232C.
Signal assignment of RS-232C Interface format
1. Communication RS-232C
method 9600 bps, No parity, Data length: 8 bit,
Stop bit: 1 bit
2. Communication STX (02h) Command (3 bite) ETX (03h)
format
One command only can be used in one communication.
3. Data format Command shall be composed of alphanumeric
characters of ASCII description.
Use only capital letters.
4. Return value Acknowledge ACK (06h)
Not Acknowledge NAK (15h)
Command list
• When commands are transmitted serially, wait the reply of the projector (acknowledge or not acknowledge) before sending a next command.
• Adjustment commands include "ARG" (increase adjustment value) and "ALF" (decrease adjustment value). For usable items (marked "Yes"), send
after the selection command.
• The "Yes" marks in the input source columns indicate that that command can be used.
Notes
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