MD-219 Hardware Manual
Display UART Commands
C-5
GMB (Glass Display Control - Minimum Brightness)
This command sets the minimum value for the brightness of the touch keypad LED. Be sure to configure this
setting to a value that will ensure that the LED indicators are still visible if they are adjusted down to this
minimum value. The range starts from 0x00 to 0x31 (0% to 100%). LEN = one byte.
Examples:
Command to set 30% Brightness.
0x07
0xFF
0x47
0x4D
0x42
0x01
0x22
0x10
0xEF
POT (Potentiometer Control)
The BR+/BR- key default value is
Enable
. Users can send this command to disable/enable the BR+/BR- key.
If the data and data checksum are incorrect, the reply data field is the current control status. LEN=one data
byte.
0x00
Brig/Brightness - Key Disable
0xFF
Brig/Brightness - Key Enable
Examples:
Disable the BR+/BR- Key.
0x07
0xFF
0x50
0x4F
0x54
0x01
0x05
0x00
0xFF
ACK
0x06
0xFF
0x50
0x4F
0x54
0x01
0x06
0x00
0xFF
SWI (Scalar Firmware Version Query)
This command queries the scalar firmware version.
Examples:
Query Scalar Firmware Version
0x07
0xFF
0x53
0x57
0x49
0x00
0x06
SWK (Touch Keypad Firmware Version Query)
This command queries the touch keypad firmware version.
Examples:
Query Touch Keypad Firmware Version
0x07
0xFF
0x53
0x57
0x4B
0x00
0x04
ADF (AC Input Power Detect Function)
This default value of this function is
OFF
. If the MD-219 supports an AC power input, you can turn on this
function to detect the AC input power when the MD-219 has connected to the AC power. LEN=one data byte.
0x00
AC Input Power Detect is OFF
0xFF
AC Input Power Detect is ON
Examples:
Set “OFF”.
0x07
0xFF
0x41
0x44
0x46
0x01
0x2D
0x00
0xFF
ACK
0x06
0xFF
0x41
0x44
0x46
0x01
0x2E
0x00
0xFF
