MD-219 Hardware Manual
Display UART Commands
C-6
AD? (Query AC Input Power Detect Function Status)
If the MD-219 supports an AC power input, you can use this command to query the AC Input Power Detect
Function Status.
0x00
AC Input Power Detect is OFF
0xFF
AC Input Power Detect is ON
Examples:
Send an
AD?
command to Query the AC Input Power Detect Function Status
0x07
0xFF
0x41
0x44
0x3F
0x00
0x35
ACK
0x06
0xFF
0x41
0x44
0x3F
0x01
0x35
0x00
0xFF
DDF (DC Input Power Detect Function)
This default value of this function
OFF
. Turn on this function to detect the DC input power when this unit
supports and is connected to DC power. LEN=one data byte.
0x00
DC Input Power Detect is OFF
0xFF
DC Input Power Detect is ON
Examples:
Set “OFF”.
0x07
0xFF
0x44
0x44
0x46
0x01
0x2A
0x00
0xFF
ACK
0x06
0xFF
0x44
0x44
0x46
0x01
0x2B
0x00
0xFF
DD? (Query DC Input Power Detect Function Status)
Send this command to query DC Input Power Detect Function Status
0x00
DC Input Power Detect is OFF
0xFF
DC Input Power Detect is ON
Examples:
Send a
DD?
command to Query the DC Input Power Detect Function Statuss
0x07
0xFF
0x44
0x44
0x3F
0x00
0x32
ACK
0x06
0xFF
0x44
0x44
0x3F
0x01
0x32
0x00
0xFF
BLI (Brightness Control)
Use this command to set the panel Brightness. The Brightness range is from 0x00 to 0xFF. The default
Brightness is 160. LEN=one data byte.
Examples:
Set brightness to 255(0xFF)
0x07
0xFF
0x42
0x4C
0x49
0x01
0x21
0xFF
0x00
ACK
0x06
0xFF
0x42
0x4C
0x49
0x01
0x22
0xFF
0x00
Query current brightness value
0x07
0xFF
0x42
0x4C
0x49
0x00
0x22