Samsung QM43B User Manual page 45

Screen size control
• Function
The screen size of a product can be changed using a PC.
• Viewing the screen size (Get Screen Size Status)
Header Command
ID
0xAA 0x19
• Ack
Header Command Data length
ID
0xAA 0xFF 3
"Screen Size": product screen size (range: 0 – 255, unit: inch)
• Nak
Header Command Data length
ID
0xAA 0xFF 3
"ERR": A code showing what error has occurred
Data length
Checksum
0
Ack/Nak r-CMD Val1
'A' 0x19 "Screen Size"
Ack/Nak r-CMD Val1
'N' 0x19 "ERR"
Video Wall Mode Control
• Function
Video Wall mode can be activated on a product using a PC.
This control is only available on a product whose
• Viewing video wall mode (Get Video Wall Mode)
Header Command
0xAA 0x5C
• Setting the video wall (Set Video Wall Mode)
Checksum
Header Command
0xAA 0x5C
"Video Wall Mode": A code used to activate Video Wall mode on a product
1: Full
Checksum
0: Natural
• Ack
Header Command
0xAA 0xFF
"Video Wall Mode": A code used to activate Video Wall mode on a product
• Nak
Header Command
0xAA 0xFF
"ERR": A code showing what error has occurred
Video Wall is enabled.
Data length
ID Checksum
0
Data length
ID
1 "Video Wall Mode"
Data
Ack/Nak r-CMD
length
ID
3 'A' 0x5C
Data length Ack/Nak r-CMD
ID
3 'A' 0x5C
Data
Checksum
Val1
Checksum
"Video Wall
Mode"
Val1
Checksum
"ERR"
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