Digital View DT-1920-HDMI-EDPT, Instructions Manual

Page: 27 / 33

Specifications subject to change without notice
© Digital View Ltd – Ver 1.5 7 May 2020 (DT-1920-HDMI-EDPT_manual.doc)
Page 27 of 33
Video horizontal
resolution enquiry 0xb7 Horizontal resolution (in pixels) in
3 to 4 digit hex number
Video vertical
resolution enquiry 0xb8 Vertical resolution (in lines) in 3
digit hex number
Video horizontal
sync frequency 0xb9 Horizontal sync frequency (in
units of 100Hz) in 3 digit hex
number
Video vertical sync
frequency 0xba Vertical sync frequency (in units
of Hz) in 3 digit hex number and
1 char “nnnc” = vertical frequency
nnn = 3 digit hex
c= “i” (interlace) or “p” (progressive)
OSD status enquiry 0xbb Status of OSD “0” – OSD turned off
“1” – OSD turned on
OSD turn off 0xbd Turn off the OSD. “0” – fail.
“1” – successful.
Backlight control 0xe0,
nn | “+” | “-” |
“R” | “r” |
“?” Set Backlight level =
value/increment/decrement
Reset
Query nn = 0x00~ 0x64 (0~100%)
Default: 0x64 (100%)
Backlight On/Off 0xe1,
“0” | “1” |
“R” | “r”
“?”
Backlight Off / Backlight On
Reset
Query “0” – Backlight Off
“1” – Backlight On. (Default)
(non/Off
Backlight DA/PWM 0xe5
“0” | “1” |
“R” | “r”
“?” Set backlight control method:
PWM / DA
Reset
Query “1” – PWM (Default)
“0” – D/A
Backlight PWM
frequency 0xe6,
nnn | “+” | “-” |
“R” | “r” |
“?” Set backlight PWM frequency =
value/increase 20Hz/decrease
20Hz
Reset
Query
Value
100Hz : “0”,”6”,”4”
120Hz : “0”,”7”,”8”
140Hz : “0”,”8”,”C”
160Hz : “0”,”A”,”0” (Default)
180Hz : “0”,”B”,”4”’
200Hz : “0”,”C”,”8”
220Hz : “0”,”D”,”C”
240Hz : “0”,”F”,”0”
260Hz : “1”,”0”,”4”
280Hz : “1”,”1”,”8”
300Hz : “1”,”2”,”C”
320Hz : “1”,”4”,”0”
340Hz : “1”,”5”,”4”
360Hz : “1”,”6”,”8”
380Hz : “1”,”7”,”C”
400Hz : “1”,”9”,”0”
420Hz : “1”,”A”,”4”
440Hz : “1”,”B”,”8”
Backlight Invert 0xe7
“0” | “1” |
“R” | “r”
“?” Set invert backlight level :
Off / On
Reset
Query “0” – Off (Default)
“1” – On
OSD switch mount
Lock “0xee”, “0x62”
“0” |”1”
”?”
Unlock / Lock
Query “0”- Unlock (Default)
“1”- Lock, no response to OSD switch
mount keys
Default Power “0xee”, “0x6B”,
“0x50”
“0”|
“1”|
“?”
Default power state after
supplying power to controller
Off
On
Query
“0” - default power off
“1” - default power on