Manual

20
VP-438 - RS-232 Communication Protocol
Control
Type
Function
Param
(for Set)
Function Description
Comment
0
36
N/A
HDMI3 button on remote control
0
37
N/A
HDMI4 button on remote control
1: Set
2: Get
4
0~100
Color: Red
1: Set
2: Get
5
0~100
Color: Green
1: Set
2: Get
6
0~100
Color: Blue
1: Set
2: Get
16
0~100
Brightness
1: Set
2: Get
17
0~100
Contrast
1: Set
2: Get
25
0~100
Hue
1: Set
2: Get
26
0~100
Sharpness
1: Set
2: Get
29
0~100
Saturation
1: Set
2: Get
33
0~100
set an absolute volume for
Output
For embedded HDMI inputs,
this does not affect the
embedded output
1: Set
2: Get
34
0~100
set an absolute volume for Input
For embedded HDMI inputs,
this does not affect the
embedded output
1: Set
2: Get
41
0~100
OSD Setting :H-Position
1: Set
2: Get
42
0~100
OSD Setting: V-Position
1: Set
2: Get
43
0~100
OSD Timeout
1: Set
2: Get
44
0~8
OSD Background
1: Set
2: Get
50
0~3
NR (Noise Reduction)
0: Off
1: Low
2: Mid
3: High
1: Set
2: Get
51
0~3
Audio delay
0: Off
1: 40ms
2: 110ms
3: 150ms
1: Set
2: Get
52
0~2
HDMI AUDIO IN
0 : AUTOMATIC
1 : EMBEDDED
2 : ANALOG
1: Set
2: Get
84
0~1
Auto Sync Off
0 : OFF (FW:6.14)
1 : ON
1: Set
2: Get
95
0 ~1
DROP LINE
0: OFF
1: ON
1: Set
2: Get
160
0~1
HDCP ON INPUT
0 : OFF
1 : ON
1: Set
2: Get
161
0~1
HDCP ON OUTPUT
0 : Follow input
1 : Follow output