Controlling The Projector By Using Rs-232C - Toshiba TLP780U Owner's Manual

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
1 2
Pin No.
4
3 5
6
8
7
CONTROL RS-232C
Command list
Classification Items/Status
Power On
Off (with confirmation message)
Shut Down (without confirmation message)
Normal (RS-232C Condition Display Off)
Picture Contrast
Brightness
Sharpness
Camera gain
Picture mode
Notes
• 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.
Signal Description
1 RXD Receiving data
2 CTS Consent to send
3 DSR Data set ready
4 GND Signal ground
5 RTS Request to send
6 N.C No connection
7 TXD Sending data
8 N.C No connection
Selection
Command
PON
POF
PSD
DOF
VCN
VBR
VSH
Increase CGU
Decrease CGD
Bright MVB
True color MVP
Interface format
1. Communication
method
2. Communication
format
3. Data format
4. Return value
Adjustment Analog RGB(1) Digital RGB
Command Analog RGB(2)
- Yes Yes
- Yes Yes
- Yes Yes
- Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes -
- -
- -
- Yes Yes
- Yes Yes
RS-232C
9600 bps, No parity, Data length: 8 bit,
Stop bit: 1 bit
STX (02h) Command (3 bite) ETX (03h)
One command only can be used in one communication.
Command shall be composed of alphanumeric
characters of ASCII description.
Use only capital letters.
Acknowledge ACK (06h)
Not Acknowledge NAK (15h)
Video
Y/P /P
B R
S-Video
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes Yes
- Yes Yes
- - -
- - -
- -
- -
Continued
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CONTENTS
Camera
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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