Visual Systems
VT650 Installation Data
Desktop and Ceiling Mount
ver 1.5
Page
7
PC Control Codes
Function
Code
Data
POWER
ON
02H 00H 00H
00H
00H
02H
POWER
OFF
02H
01H
00H
00H
00H
03H
INPUT SELECT RGB
02H
03H
00H
00H
02H
01H
01H
09H
INPUT SELECT VIDEO
02H
03H
00H
00H
02H
01H
06H
0EH
INPUT SELECT S-VIDEO
02H
03H
00H
00H
02H
01H
0BH 13H
PICTURE MUTE ON
02H
10H
00H
00H
00H
12H
PICTURE MUTE OFF
02H
11H
00H
00H
00H
13H
SOUND
MUTE
ON
02H
12H
00H
00H
00H
14H
SOUND MUTE OFF
02H
13H
00H
00H
00H 15H
Cable Connection
Communication Protocol:
Baud Rate:
19200 bps
Data Length:
8 bits
Parity:
No
Parity
Stop Bit:
One bit
X
on/off: None
Communications: Full duplex
PC Control Connector (DIN-8P)
To RxD of PC
1
2
3
4
5
6
7
8
To TxD of PC
To GND of PC
NOTE 1:
Pins 2, 3, 5, 6 and 8 are used inside the projector.
NOTE 2:
For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.
