www.necvisualsystems.com
VT37/47
Page 6 of 6
Input Panel
Note: Monitor Out for VT47 only
Control Codes
Function
Code
Data
POWER
ON
02H 00H 00H 00H 00H 02H
POWER
OFF
02H 01H 00H 00H 00H 03H
INPUT
SELECT
COMPUTER 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
NOTE: Contact your NEC rep for codes not listed.
Cable Connection
Communication
Protocol:
PC
Control
Connector
(Din-8P)
Baud Rate:
19200 bps
Data Length:
8 bits
Parity:
No
Parity
Stop Bit:
One bit
X
on/off:
None
Communications: Full duplex
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.
To RxD of PC
1
2
3
4
5
6
7
8
To TxD of PC
To GND of PC
AUDIO
VIDEO IN L/MONO R AUDIO COMPUTER IN
S-VIDEO IN MONITOR OUT PC CONTROL
