Specifications subject to change without notice
© Digital View Ltd – Doc Ver 1.00: 10 Sept, 2021
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31 of 46
1. Commands to implement switch mount control buttons
Function
Command
Description
Remark
Menu button
0xf7
Menu button pressed
Button equivalent
Select-down
button
0xfa
Select-down button pressed
Button equivalent
Select-up button
0xfb
Select-up button pressed
Button equivalent
Right/+ button
0xfc
Right/+ button pressed
Button equivalent
Left/- button
0xfd
Left/- button pressed
Button equivalent
2. Parameter setting - immediate, relative, reset and query
Function
Command
Description
Acknowledge (if enabled)
Volume control -
left+right channel*
0x80, “a” | “A”,
nn | “+” | “-” |
“r” | “R” |
“?”
Set audio (L+R) volume =
value/increment/decrement
Reset
Query
nn = 0x00~ 0x64 (0~100%)
Default: 0x32 (50%)
Volume control -
on/off (mute)
0x80, “m” | “M”,
“0” |
“1” |
“r” | “R” |
“?”
Disable audio output.
Enable audio output.
Reset
Query
“0” - audio off (mute).
“1” - audio on. (Default)
Black level
control*
0x81,
nn | “+” | “-” |
“r” | “R” |
“?”
“m”
“n”
Set brightness =
value/increment/decrement
Reset
Query Current Source
Maximum query *1
Minimum query *1
Brightness.
nn = 0x00~ 0x64 (0~100%)
Default: 0x32 (50%)
Contrast control -
all channels*
0x82, “a” | “A”,
nn | “+” | “-” |
“r” | “R” |
“?”
“m”
“n”
Set all contrast =
value/increment/decrement
Reset
Query
Maximum query *1
Minimum query *1
Contrast
nn = 0x00~ 0x64 (0~100%)
Default: 0x32 (50%)
Saturation control*
0x83,
nn | “+” | “-” |
“r” | “R” |
“?”
“m”
“n”
Set color =
value/increment/decrement
Reset
Query
Maximum query *1
Minimum query *1
nn = 0x00~ 0x64 (0~100%)
Default: 0x32 (50%)
Hue control*
0x84,
nn | “+” | “-” |
“r” | “R” |
“?”
“m”
“n”
Set tint =
value/increment/decrement
Reset
Query
Maximum query *1
Minimum query *1
NTSC tint (In NTSC mode only)
nn = 0x00~ 0x64 (0~100%)
Default: 0x32 (50%)
Phase (tuning)
control
0x85,
nn | “+” | “-” |
“?”
Set dot clock phase =
value/increment/decrement
Query
Dot clock phase.
(In PC mode only)
Image H position
0x86,
nnnn | “+” | “-” |
“?”
Set img_hpos =
value/increment/decrement
Query
Image horizontal position.
(In PC mode only)
Image V position
0x87,
nnnn | “+” | “-” |
“?”
Set img_vpos =
value/increment/decrement
Query
Image vertical position.
(In PC mode only)
Sharpness*
0x8a,
nn | “+” | “-” |
“r” | “R” |
“?”
Set sharpness =
value/increment/decrement
Reset
Query
Sharpness.
(Video Mode Source only)
nn = 0x00~ 0x64 (0~100%)
Default: 0x32 (50%)
Frequency
0x8b,
Set frequency =
Graphic mode H active size (in
