Controlling The Projector By Using Rs-232C - Toshiba TLP790 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
1
2
3
5
3
4
6
8
5
6
7
7
CONTROL RS-232C
8
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 for the reply of the projector (acknowledge or not acknowledge) before sending the 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
RXD Receiving data
CTS Consent to send
DSR Data set ready
GND Signal ground
RTS Request to send
N.C No connection
TXD Sending data
N.C No connection
Selection Adjustment Analog RGB(1)
Command Command Analog RGB(2)
PON
POF
PSD
DOF
VCN
VBR
VSH
Increase CGU
Decrease CGD
Bright MVB
True color MVP
Interface format
1 Communication RS-232C
method 9600 bps, No parity, Data length: 8 bits,
Stop bit: 1 bit
2 Communication STX (02h) Command (3Byte) ETX (03h)
format One command only can be used per
communication.
3 Data format Commands shall be composed of
alphanumeric characters of ASCII description.
Use only capital letters.
4 Return value Acknowledge ACK (06h)
Not Acknowledge NAK (15h)
Digital RGB
- Yes Yes
- Yes Yes
- Yes Yes
- Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes - -
- - -
- - -
- Yes Yes
- Yes Yes
CONTENTS
Video
Y/P /P Camera
B R
S-Video
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
- - Yes
- - Yes
- - -
- - -
Continued
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