NEC Display Solutions of America, Inc.
M300WS Installation Guide
Ceiling Mounted and Desktop
Rev 1.2
www.necdisplay.com
M300W S
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
COMPUTER1 02H
03H 00H 00H 02H 01H 01H 09H
INPUT
SELECT
COMPUTER2 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT HDMI
02H 03H 00H 00H 02H 01H 1AH 22H
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 VIEWER
02H 03H
00H
00H
02H
01H
1FH
27H
INPUT
SELECT
NETWORK
02H
03H 00H 00H 02H 01H 20H 28H
INPUT
SELECT
USB
DISPLAY 02H
03H 00H 00H 02H 01H 22H 2AH
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
