NEC Display Solutions of America, Inc.
NP500W Installation Guide
Ceiling Mounted and Desktop
Rev 1.2
www.necdisplay.com
NP500W
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
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
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.
