Code $54 (Group 2.1):
Code $54 (Group 2.2):
Code $54 (Group 2.3):
| Group 2.1 | Group 2.2 | Group 2.3 |
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Computer 1 | STX IN3 ETX (RGB 1 or | STX IN1 ETX (RGB1) | STX IN1 ETX (RGB1) |
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Computer 2 | STX IN5 ETX (RGB2) | STX IN2 ETX (RGB2) | STX IN2 ETX (RGB2) |
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Computer 3 |
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| STX IN6 ETX (Network) |
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Video 1 | STX IN5 ETX (Video) | STX IN3 ETX (Video) | STX IN3 ETX (Video) |
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Video 2 | STX IN6 ETX | STX IN4 ETX | STX IN4 ETX |
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Video 3 | STX IN2 ETX (YPbPr1) | STX IN2 ETX (YPbPr1) | STX IN2 ETX (YPbPr1) |
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Video 4 | STX IN4 ETX (YPbPr2) | STX IN4 ETX (YPbPr2) | STX IN4 ETX (YPbPr2) |
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Video 5 | STX IN8 ETX (BNC3/YPbPr3) |
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Video 6 |
| STX INB ETX (Camera) |
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Video 7 |
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| STX INC ETX (Network) |
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Video 6 | STX IND ETX (USB/Wireless) |
| STX IND ETX (USB/Wireless) |
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Any one of these codes can be set into Constant:0/Constant:1 for computer codes and Constant:2/Constant:3 for video codes. (The default is to have Computer1 (above) as the “Computer” channel and Video1 as the “Video” channel. Setting OPT1 switch ON will swap Video1 and Video2 channels, making
•Power on panel connection blink codes are provided, but OPT7 handshake mode is NOT;
•Auto Pixel Align is NOT available;
•Picture and sound mute is available with
•Mute and freeze keyboard code A available;
•Make sure to turn off “Auto input search” in the “Default setting” menu page of the projector.
RS232 connections to NEC projectors
Most use a male
Function/Direction
Ground
Data from T440 to projector Reply data from projector to T440
Plus 9 volt CTS/DTR to projector
T440 “projector” Connection
Ground
Tx
Rx
N/C
“Serial” Port Connector
N/C
1
2 
3 4 5
6
7
8
After installation wiring of any projector to a T440, use a multimeter to check voltages of
T440 Users manual V021/B, © JED Microprocessors Pty Ltd Nov 17th 2008 | Page 27 |
