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Connecting to a Control Signal (continued)
3. Communication settings
(1) Connect the projector and computer using an RS 232C cable.
(2) Turn on the computer. After the computer is fully started, turn on the projector.
(3) Start communication.
4 .Control command codes
Control command table
Item
MOUSE
COMMUNICATE
POWER
ZOOM
FOCUS
MIRROR
INPUT
(VIDEO) SYSTEM
VOLUME
MUTE
BRIGHT
CONTRAST
COLOR
TINT
SHARPNESS
H.PHASE
H.POSIT
H.SIZE
V.POSIT
BLANK
REVEAL
Projector→Computer
Reply code
1st 2nd data
11h 05h +1
11h 06h +1
11h 11h +1
11h 12h +1
11h 13h +1
11h 14h +1
11h 21h +1
12h 22h +2
11h 23h +1
11h 24h +1
13h 31h +3
13h 32h +3
13h 33h +3
13h 34h +3
13h 35h +3
13h 37h +3
14h 38h +4
14h 36h +4
14h 3Ah +4
11h 41h +1
11h 42h +1
Ask code
1st 2nd
20h 05h
20h 06h
20h 11h
———
———
20h 14h
20h 21h
20h 22h
20h 23h
20h 24h
20h 31h
20h 32h
20h 33h
20h 34h
20h 35h
20h 37h
20h 38h
20h 36h
20h 3Ah
20h 41h
20h 42h
Computer→Projector
Set code
1st 2nd data
31h 05h +1
31h 06h +1
31h 11h +1
31h 12h +1
31h 13h +1
31h 14h +1
31h 21h +1
32h 22h +2
31h 23h +1
31h 24h +1
33h 31h +3
33h 32h +3
33h 33h +3
33h 34h +3
33h 35h +3
33h 37h +3
34h 38h +4
34h 36h +4
34h 3Ah +4
31h 41h +1
31h 42h +1
Default code
1st 2nd
40h 05h
40h 06h
———
———
———
40h 14h
40h 21h
40h 22h
40h 23h
40h 24h
40h 31h
40h 32h
40h 33h
40h 34h
40h 35h
40h 37h
40h 38h
40h 36h
40h 3Ah
40h 41h
———
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RDP
TDP
GND
1
2
3
4
5
6
7
8
9
CD
RD
TD
DTR
GND
DSR
RTS
DTS
RI
Computer
Projector
1
2345
67
8
9
D-sub 9pin
RS232C cable