Pc Control Codes; Cable Connection - NEC LT154 Installation Data

LT154/155/156 Installation Data
Desktop and Ceiling Mount

PC Control Codes

Function
POWER ON
POWER OFF
INPUT SELECT DVI (Digital)
INPUT SELECT RGB
INPUT SELECT VIDEO
INPUT SELECT S-VIDEO
INPUT SELECT PC CARD VIEWER
PICTURE MUTE ON
PICTURE MUTE OFF
SOUND MUTE ON
SOUND MUTE OFF
ON SCREEN MUTE ON
ON SCREEN MUTE OFF

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 (DIN-8P)
8
5
To GND of PC
NOTE 1: Pins 2, 3, 5, 6 and 8 are used inside the projector.
NOTE 2: For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.
Code Data
02H 00H 00H
02H 01H 00H
02H 03H 00H
02H 03H 00H
02H 03H 00H
02H 03H 00H
02H 03H 00H
02H 10H 00H
02H 11H 00H
02H 12H 00H
02H 13H 00H
02H 14H
02H 15H
To RxD of PC
7 6
4 3
2 1
To TxD of PC
00H 00H 02H
00H 00H 03H
00H 02H 01H
00H 02H 01H
00H 02H 01H
00H 02H 01H
00H 02H 01H
00H 00H 12H
00H 00H 13H
00H 00H 14H
00H 00H 15H
00H 00H 00H 16H
00H 00H 00H 17H
1AH 22H (LT156 ONLY)
01H 09H (DVI Analog for LT156)
06H 0EH
0BH 13H
1FH 27H
Visual Systems
Rev. 1.8
Page 8