Important Instructions
20
2.8 OSD Command
In Lead-PND-XC models, we provide one COM port with Tx/Rx function adopting
RS-232 protocol. Please be noted that this COM port is for OSD function ONLY
instead of full function of RS-232.
The following table is the command list that you can utilize:
Class
Function
Len Cmd Code Cmd Type
High Byte
Low Byte
Remark
Information
MODEL_NAME
8
0x01
0x67(g)
0x00
0x00 Reply Model name
PANEL_NAME
8
0x02
0x67(g)
0x00
0x00 Reply Panel name
FW_VERSION
8
0x03
0x67(g)
0x00
0x00 Reply FW version
FW_RELEASEDATE
8
0x04
0x67(g)
0x00
0x00 Reply Release date
HW_VERSION
8
0x05
0x67(g)
0x00
0x00 Reply HW version
MONITOR_STATUS
8
0x06
0x67(g)
0x01: Power off
0x02: Normal
0x03: Power saving
0x00 Return Monitor status
System Setting
INPUT_SOURCE
8
0x10
0x73(s)
0x00: VGA
0x01: DP
0x02: HDMI
0x03: DESKTOP
0x00
Change input source
0x67(g)
Get current source
Keypad
KEY_POWER
8
0x30
0x73(s)
0x01
0x00 Same as Power key button
KEY_MENU
8
0x31
0x73(s)
0x01
0x00 Same as MENU key button
KEY_RIGHT
8
0x32
0x73(s)
0x01
0x00 Same as RIGHT key button
KEY_LEFT
8
0x33
0x73(s)
0x01
0x00 Same as LEFT key button
KEY_EXIT
8
0x34
0x73(s)
0x01
0x00 Same as EXIT key button
The following is the protocol along with the command:
Byte
Symbol
Description
Remark
0
Header D0
0x4D: 'M'
1
Header D1
0x45: 'A'
2
Header D2
0x44: 'D'
3
Cmd Code
RS232 Cmd code
4
Cmd Type/
Result Type
0x73: 's' ,Set command
0x67: 'g' ,Get command
0xFF: The result is successful
0xDD: The result is failed
0x55: Can't support it
5
Cmd Value D0
RS232 OP Value (High Byte)
6
Cmd Value D1
RS232 OP Value (Low Byte)
7
Command End
Check Sum
Sum of byte 1 to 7
Baud Rate =
9600
