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A5
Controlling
Multiple
Product
RS-232C
Transmission
/
Receiving
Protocol
07.
Contrast
(Command
:
g)
G
To
adjust
screen
contrast.
You
can
also
adjust
the
contrast
in
the
Picture
menu.
Transmission
[k][g][
][Set
ID][
][Data][Cr]
Data
Min:00H~Max:64H
?
Refer
to
'Real
data
mapping'
as
shown
below.
Acknowledgement
[g][
][Set
ID][
][OK][Data][x]
*
Real
data
mapping
0:Step0
:
A:Step10
:
F:Step15
10:Step16
:
64
:
Step
100
08.
Brightness
(Command
:
h)
G
To
adjust
screen
brightness.
You
can
also
adjust
the
brightness
in
the
Picture
menu.
Transmission
[k][h][
][Set
ID][
][Data][Cr]
Data
Min:00H~Max:64H
?
Refer
to
'Real
data
mapping'
as
shown
below.
Acknowledgement
[h][
][Set
ID][
][OK][Data][x]
*
Real
data
mapping
0:Step
:
A:Step10
:
F:Step15
10:Step16
:
64
:
Step
100
05.
Volume
Mute
(Command
:
e)
G
To
control
On/Off
of
the
Volume
Mute.
Transmission
[k][e][
][Set
ID][
][Data][Cr]
Data
0
:
Volume
Mute
On
(Volume
Off)
1
:
Volume
Mute
Off
(Volume
On)
Acknowledgement
[e][
][Set
ID][
][OK][Data][x]
Data
0
:
Volume
Mute
On
(Volume
Off)
1
:
Volume
Mute
Off
(Volume
On)
06.
Volume
Control
(Command
:
f)
G
To
adjust
Volume
.
Transmission
[k][f][
][Set
ID][
][Data][Cr]
Data
Min:00H~Max:64H
(Hexadecimal
code)
Acknowledgement
[f][
][Set
ID][
][OK][Data][x]
Data
Min:00H~Max:64H
*
Real
data
mapping
0:Step0
:
A:Step10
:
F:Step15
10:Step16
:
64
:
Step
100
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