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RS-232C communication
(1) Turn off the projector and computer power supplies and connect with the RS-232C cable.
(2) Turn on the computer power supply and after the computer has started up, turn on the projector
power supply.
Control jack
D-sub 15-pin shrink jack
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Communications setting
19200bps, 8N1
1 Protocol
Consist of header (7 bytes) + command data (6 bytes).
2 Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
CRC_low : Lower byte of CRC flag for command data.
CRC_high : Upper byte of CRC flag for command data.
3 Command data
byte_0
byte_1
Action
low
Action
Classification
1
SET
2
GET
4
INCREMENT
5
DECREMENT
6
EXECUTE
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Projector
Computer
1
1
2
2
3
3
4
4
5
5
6
6
SELO
RTS
7
7
8
8
9
9
GND
10
11
12
13
RD
TD
14
15
Command data chart
byte_2
byte_3
Type
high
low
high
Action (byte_0 - 1)
Change setting to desired value.
Read projector internal setup value.
Increment setup value by 1.
Decrement setup value by 1.
Run a command.
http://www.pureglare.com.au
RS-232C jack
D-sub 9-pin
CD
RD
TD
2
3
4
5
1
DTR
GND
6
7
8
9
DSR
RTS
DTS
RI
byte_4
byte_5
Setting code
low
high
Content
TECHNICAL - 5
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