JED T430 User Manual page 60

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 S-Video the video default. Setting OPT5 will
swap Computer1 and Computer2. Setting OPT4 will allow double- presses on some keyboards.).
Audio varies between units, often only one input and no output. If control is needed to external speakers, and
•
multiple audio channels, use a JED T441 or T461 audio controller.
Note: audio output MUST be enabled before use in the fifth menu, under "Audio" settings;
There is no audio level indication on the projected image, which could be annoying
Power off connection blink codes are available, and OPT7 projector state monitoring is also provided;
•
Turn off the "Quick Auto Source" search feature in the third menu;
•
Mute and Freeze are supported as are absolute mute via 2 Volume keys pressed. Code 8 and A keyboards are
•
supported;
RS232 connections to ViewSonic projectors with D9 connectors
Following use D9 female on cable: PJD5112, PJD6211, PJD6212, PJD6221, PJD6241, PJD6251, PJD6381,
PJD6531w, PJD7383/I, PJD7583w/wi, Pro8100, Pro8200, Pro8400.
Note: Connections are tested as below, NOT as in some manuals. *
These use a 9-pin-D9 male on the projector, female on cable. (Coms is at 19200 baud, no parity, 1 stop.)
Function/Direction
Ground
Data from T460 to projector
Reply data from projector to T460
Plus 9 volt CTS/DTR to projector
After installation wiring of any projector to a T460, use a multimeter to check voltages of –9 on BOTH TX and RX pins
in any installation, as described in the troubleshooting part of this manual.
RS232 connections to Viewsonic projectors with DIN-8 connectors
Following use DIN8 connector: PJD6210/WH
PJD5152, PJD5352, PJD5211, PJD5221, PJD5231, PJD5122
These use a mini-DIN 8 male connector wired, as follows:
Function/Direction
Ground
Data from T460 to projector
Reply data from projector to T460
Plus 9 volt CTS/DTR to projector
After installation wiring of any projector to a T460, use a multimeter to check voltages of –9 on BOTH TX and RX pins
in any installation, as described in the troubleshooting part of this manual.
T440 User's manual V096B, © JED Microprocessors Pty Ltd Jan 20
T460 "projector"
Connection
Ground
Tx
Rx
n/c
(Comms is at 19200 baud, 8 bits, no parity, 1 stop)
T460 "projector"
Connection
Ground
Tx
Rx
CTS
ViewSonic Control Port
Connector D9
9-pin D-sub pin 5
9-pin D-sub pin 2 *
9-pin D-sub pin 3 *
n/c
(Comms is at 115200 baud, 8 bits, no parity, 1 stop)
ViewSonic Control Port
Connector DIN-8
mini-DIN 8 pin 4
mini-DIN 8 pin 1 (RXD)
mini-DIN 8 pin 7 (TXD)
n/c
th
2015
1 2 3 4 5
6 7 8 9
D-sub 9 female
solder side
1 2
3 4 5
6 7 8
mini-DIN 8
solder side view
Page 60