Controlling The Projector By Using Rs-232C - Toshiba TLP-MT7E 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
7
6
CONTROL RS-232C
7
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
Phase
Frequency
Color
Tint
Sharpness
Notes
• When commands are transmitted serially, keep more than 100 ms intervals between the commands.
• 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. *1 Not possible for PAL/SECAM. *2 Not possible for 480i mode.
Signal Description
RXD Receiving data
CTS Consent to send
Data set ready
DSR
GND Signal ground
RTS Request to send
No connection
N.C
TXD Sending data
N.C No connection
Selection
Command
PON
POF
PSD
DOF
VCN
VBR
PPH
PCK
VCL
VTN
VSH
Interface format
1 Communication RS-232C
method 9600 bps, No parity, Data length: 8 bit,
Stop bit: 1 bit
2 Communication STX (02h) Command (3Byte) 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)
Adjustment
Y/P /P
B
Command
- Yes
Yes
-
- Yes
- Yes
Yes
Yes
Yes Yes
-
Yes
Yes -
Yes Yes
*2
Yes
Yes
*2
Yes Yes
Computer
Video/S-Video
R
Yes
Yes
Yes
Yes
Yes
Yes
Yes Yes
Yes
Yes
Yes
Yes
Yes
-
Yes
-
-
Yes
-
Yes
-
Yes
Continued
75
75
*1