NEC Display Solutions Europe GmbH
NP300/NP400/NP500/NP600 Installation Guide
Ceiling Mounted and Desktop
Rev 1.1
www.nec-display-solutions.com
NP300/400/500/600
Page 6 of 6
Input / Output Panel
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
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
INPUT
SELECT
DVI
(DIGITAL) 02H 03H 00H 00H 02H 01H 1AH 22H
INPUT
SELECT
DVI
(ANALOG)
02H 03H 00H 00H 02H 01H 02H 0AH
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
PROJECTOR INFORMATION REQUEST
00H
BFH 00H
00H
01H
02H
C2H
ERROR STATUS REQUEST
00H
88H
00H
00H
00H
88H
INFORMATION
REQUEST 03H
8AH
00H
00H 00H
8DH
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
PC Control Connector (D-Sub 9P
NOTE 1 : Pins 1, 4, 6, and 9 are used inside the projector.
NOTE 2: For long cable runs it is recommended to set communication speed within the projector to 9600 bps.
NOTE 3: 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
