NEC Display Solutions of America, Inc.
U300X Installation Guide
Desktop and Ceiling Mount
v1.3
www.necdisplay.com
U300X
Page 10 of 10
Input Panel
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 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
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
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
NOTE 1:
It is recommended to set the projector to “Idle Mode” in the Setup menu for best Power ON response.
NOTE 2:
Pins 2, 3, 5, 6 and 8 are used inside the projector.
NOTE 3:
For long cable runs it is recommended to set communication speed in the Setup menu to 9600 bps.
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