LG RD-JT90 [28/36] F unct i on
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LG RD-JT90 [28/36] F unct i on

LG RD-JT90 [28/36] F unct i on
RS-232C
28
External
control
device
setup
01.
Power
(Command2:a)
To
control
Power
On/Off
of
the
Projector.
Transmission
Data
0
:
Power
Off
1
:PowerOn
[k][a][
][SetID][
][Data][Cr]
[k][a][
][SetID][
][FF][Cr]
[a][][SetID][][OK][Data][x]
[a][][SetID][][OK][Data][x]
Ack
Ack
Data
0
:
Power
Off
1
:PowerOn
To
show
Power
On/Off
status.
Transmission
Data
0
:
Power
Off
1
:PowerOn
*
In
like
manner,
if
other
functions
transmit
'0xFF'
data
based
on
this
format,
Acknowledgement
data
feed
back
presents
status
about
each
function.
*
The
transmission
data
for
RGB-DTV(Data:6)
input
select
is
changed
to
RGB-PC(Data:7)
for
the
identical
mode
processing.
In
like
manner,
the
data
of
transmission
for
DVI-DTV(Data:8)
input
select
is
changed
to
DVI-PC(Data:9).Therefore,if
you
send
command
to
select
RGB-DTV
or
DVI-DTV
source,you
will
recieve
changed
data
in
the
Ack
message.
02.
Input
Select
(Command2:b)
To
select
input
source
for
the
Set.
Transmission
Data
2
:
Video
3
:
S-Video
4
:
Component
7
:
RGB-PC
9
:
DVI-PC
Data
2
:
Video
3
:
S-Video
4
:
Component
6
:
RGB-DTV
7
:
RGB-PC
8
:
DVI-DTV
9
:
DVI-PC
[k][b][
][SetID][
][Data][Cr]
[b][][SetID][][OK][Data][x]
Ack
03.
Aspect
Ratio
(Command2:c)
To
adjust
the
screen
format.
Transmission
Data
1
:
Normal
Screen(
4:3)
2
:
Wide
Screen(16:9)
Data
1
:
Normal
Screen(
4:3)
2
:
Wide
Screen(16:9)
[k][c][
][SetID][
][Data][Cr]
[c][
][SetID][
][OK][Data][x]
Ack
04.
Screen
Mute
(Command2:d)
To
select
screen
mute
on/off.
Transmission
Data
0
:
Screen
Mute
Off
(Picture
On)
1
:
Screen
Mute
On
(Picture
Off)
Data
0
:
Screen
Mute
Off
(Picture
On)
1
:
Screen
Mute
On
(Picture
Off)
[k][d][
][SetID][
][Data][Cr]
[d][][SetID][][OK][Data][x]
Ack
05.
Volume
Mute
(Command2:e)
To
control
volume
mute
on/off.
Transmission
Data
0
:
Volume
Mute
Off
(Volume
On)
1
:
Volume
Mute
On
(Volume
Off)
Data
0
:
Volume
Mute
Off
(Volume
On)
1
:
Volume
Mute
On
(Volume
Off)
[k][e][
][SetID][
][Data][Cr]
[e][][SetID][][OK][Data][x]
Ack
06.
Volume
Control
(Command2:f)
To
adjust
volume.
Transmission
Data
Min:0~Max:64
*
Refer
to
'Real
data
mapping
1'.
Data
Min:0~Max:64
[k][f][
][SetID][
][Data][Cr]
[f][
][SetID][
][OK][Data][x]
Ack
*
Real
data
mapping
1
0
:
Step0
A
:
Step10
F
:
Step15
10
:
Step16
64
:
Step
100
*
Real
data
mapping
2
0
:
Step-50
32:
Step0
64:
Step50

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