JED T430 User Manual page 56

Taxan Kaga- projector families: (Code 60...63) KG-PS-101S/121X, KG-PD121X
Channel codes are:
Input1 := '04FB' + 0D + 0A;
Input3 := '03FC' + 0D + 0A then '5FA0' + 0D + 0A then '17E8' + 0D + 0A //Video1 enters video mode,
then needs "up arrow" and "enter".
The switching to, and selection of, a Video channel involves simulating pressing three buttons in sequence on an IR
remote control, with controlled delays between the strings of 750ms. We do this by sending codes for "Video", then
"Up Arrow" (to toggle to the alternate video channel) and then sending an "Enter" code.
This method allows a T440 with a single "Computer" button, or a T440 with one "Computer" button and one "Video"
button to be used. Even with one "Video" button, it allows access to both Video and S-Video sources. DO NOT set
OPT4, which is normally needed to allow toggle between two sources ... toggling is automatic in this driver.
Audio is limited to one input and no output. If control is needed to external speakers, use a T441.
Power on connection blink codes are available;
•
Turn off the auto-source search feature;
•
Freeze and blank (toggle) are supported (keyboard code A), and any non-volume keyboard; and
•
Absolute mute is not supported, so even if using a T441/461, absolute video mute is not available.
The T430 is also supported, in either "Computer" or "Video" modes:
It supports a single "Computer" channel keyboard (no OPT switches ON). Use a KB1 keyboard (On/Off);
•
With "Video" channels selected (OPT8 ON), and use a KB3 (OFF, On/Source) keyboard and the "ON" button
•
toggles between the two video sources.
RS232 connections to Kaga -Taxan - Plus projectors
These use a 9-pin-D9 male on the projector, female on cable. Comms is at 19200 baud, 8 bits, no parity, 1 stop.
Function/Direction
Ground
Data from T440 to projector
Reply data from projector to T440
Plus 9 volt CTS/DTR to projector
After installation wiring of any projector to a T440, 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.
Baud rate change
This family of projectors can be operated at 115,200 baud or 19,200 baud. As shipped from Kaga/Taxan,
communications is at 115,200 baud, and must be set to 19,200 for use with a T440 to get reasonable wiring length.
A built-in baud rate changer is incorporated as dummy channels in the T430/T440, using codes 61 hex and 62
hex. In operation, selecting code 63 hex will control the projector at 115200 (not recommended for install). Use 60 hex
for install to run at 19200 baud.
Switch to 19,200 as follows:
Wire to the projector via a short cable (in the workshop). Set code 63 hex and verify the projector operates ok at 115200
baud (One red blink then steady, On, Off, channels working OK)
Set a projector code of address of 61 hex, and reset the T440 with the reset switch.
The red OFF LED will come on steady.
Press the/an ON button. The #CL<CR><LF> baud rate change command is sent to the projector.
T440 User's manual V096B, © JED Microprocessors Pty Ltd Jan 20
//Computer1 RGB 1 VGA analog-RGB
T440 "Serial" Port
"projector" Connector
Connection
Ground 9-pin D-sub pin 5
Tx 9-pin D-sub pin 3
Rx 9-pin D-sub pin 2
N/C N/C
1 2 3 4 5
6 7 8 9
D-sub 9 female
solder side
th
2015 Page 56