Pc control codes, Function code data, Power on 02h 00h 00h 00h 00h 02h – NEC NP3250 User Manual
Page 9: Nec display solutions of america, inc, Desktop and ceiling mount
NEC Display Solutions of America, Inc.
NP1250/NP2250/NP3250 Installation Guide
Desktop and Ceiling Mount
v 1.0
www.necdisplay.com
NP1250/NP2250/NP3250
Page 9 of 9
PC Control Codes
Function
Code
Data
POWER
ON
02H 00H 00H
00H
00H
02H
POWER
OFF
02H
01H
00H
00H
00H
03H
INPUT SELECT COMPUTER 1
02H
03H
00H
00H
02H
01H
01H
09H
INPUT
SELECT
COMPUTER
2
02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT COMPUTER 3
02H
03H
00H
00H
02H
01H
1AH
22H
INPUT SELECT COMPONENT
02H
03H
00H
00H
02H
01H
10H
18H
INPUT SELECT VIDEO 1
02H
03H
00H
00H
02H
01H
06H
0EH
INPUT SELECT S-VIDEO
02H
03H
00H
00H
02H
01H
0BH
13H
INPUT SELECT VIEWER
02H
03H
00H
00H
02H
01H
1FH
27H
INPUT SELECT NETWORK
02H
03H
00H
00H
02H
01H
20H
28H
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
ON
SCREEN
MUTE
ON
02H
14H 00H
00H
00H
16H
ON
SCREEN
MUTE
OFF
02H
15H 00H
00H
00H
17H
ASPECT RATIO (4:3 Screen)
4:3
03H
10H
00H
00H
05H
18H
00H
00H
00H 00H 30H
LETTERBOX
03H
10H
00H
00H
05H
18H
00H
00H
01H 00H 31H
WIDESCREEN
03H
10H
00H
00H
05H
18H
00H
00H
02H 00H 32H
ZOOM
03H
10H
00H
00H
05H
18H
00H
00H
03H 00H 33H
ASPECT RATIO (RGB)
4:3 WINDOW
03H
10H
00H
00H
05H
18H
00H
00H
00H 00H 30H
16:9
03H
10H
00H
00H
05H
18H
00H
00H
02H 00H 32H
5:4
03H
10H
00H
00H
05H
18H
00H
00H
0BH 00H 3BH
16:10
03H
10H
00H
00H
05H
18H
00H
00H
0CH 00H 3CH
15:9
03H
10H
00H
00H
05H
18H
00H
00H
0DH 00H 3DH
AUTO ADJUST
02H 0FH 00H 00H 02H 05H 00H 18H
Cable Connection
Communication Protocol:
Baud Rate:
38400 bps (for cable lengths longer than 20’, it is recommended changing to 9600 bps in setup menu)
Data Length:
8 bits
Parity:
No
Parity
Stop Bit:
One bit
X
on/off: None
Communications: Full
duplex
PC Control Connector (D-Sub 9P)
NOTE: Pins 1, 4, 6, and 9 are used inside the projector.
Jumper “Request to send” and “Clear to Send” together on both ends of the cable to simplify cable connection.
1
2
3
4
5
6
7
8
9
To GND of PC
To RxD of PC
To TxD of PC
To CTS of PC
To RTS of PC