Input Panel; Control Codes; Cable Connection; Communication Protocol - NEC VT770 Installation Manual
Nec vt770: installation guide
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Also See for VT770:
- User manual (126 pages) ,
- Brochure & specs (6 pages) ,
- Quick setup manual (2 pages)
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Input Panel
Control Codes
Function
POWER ON
POWER OFF
INPUT SELECT COMPUTER 1
INPUT SELECT COMPUTER 2
INPUT SELECT VIDEO
INPUT SELECT S-VIDEO
INPUT SELECT COMPONENT
INPUT SELECT VIEWER
PICTURE MUTE ON
PICTURE MUTE OFF
SOUND MUTE ON
SOUND MUTE OFF
ON SCREEN MUTE ON
ON SCREEN MUTE OFF
ASPECT RATIO (4:3 Screen)
ASPECT RATIO (16:9 Screen)
AUTO ADJUST
Note: Contact your NEC rep for codes not listed.
Cable Connection
Communication Protocol:
Baud Rate:
38400 bps
Data Length:
8 bits
Parity:
No Parity
Stop Bit:
One bit
X on/off:
None
Communications: Full duplex
NOTE1: It is recommended to set the projector to "Idle Mode" in the Setup/Standby Mode menu for best Power ON response.
NOTE2: Pins 1, 4, 6, and 9 are used inside the projector.
NOTE3: Jumper "Request to send" and "Clear to Send" together on both ends of the cable to simplify cable connection.
NOTE4: For long cable runs it is recommended to set communication speed to 9600 bps in the Setup menu.
www.necvisualsystems.com
Code Data
02H
00H
02H
01H
02H
03H
02H
03H
02H
03H
02H
03H
02H
03H
02H
03H
02H
10H
02H
11H
02H
12H
02H
13H
02H
14H
02H
15H
4:3
03H
10H
Letterbox
03H
10H
Widescreen
03H
10H
Crop
03H
10H
4:3 Window
03H
10H
Letterbox
03H
10H
Widescreen
03H
10H
4:3 Fill
03H
10H
02H
0FH
PC Control Connector (D-Sub 9p)
00H
00H
00H
02H
00H
00H
00H
03H
00H
00H
02H
01H
00H
00H
02H
01H
00H
00H
02H
01H
00H
00H
02H
01H
00H
00H
02H
01H
00H
00H
02H
01H
00H
00H
00H
12H
00H
00H
00H
13H
00H
00H
00H
14H
00H
00H
00H
15H
00H
00H
00H
16H
00H
00H
00H
17H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
05H
18H
00H
00H
02H
05H
To GND of PC
1
2
3
4
5
6 7
8
9
To RTS of PC
To CTS of PC
01H
09H
02H
0AH
06H
0EH
0BH
13H
12H
1AH
1FH
27H
00H
00H
00H
00H
00H
00H
01H
00H
00H
00H
02H
00H
00H
00H
03H
00H
00H
00H
00H
00H
00H
00H
01H
00H
00H
00H
02H
00H
00H
00H
04H
00H
00H
18H
To TxD of PC
To RxD of PC
VT770
Page 7 of 7
30H
31H
32H
33H
30H
31H
32H
34H
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