Samsung QM49F User Manual page 31

Screen mode control
• Function
The screen mode of a product can be changed using a PC.
Screen mode cannot be controlled when the
― This control can only be used on models that include a TV.
• Viewing screen status (Get Screen Mode Status)
Header Command ID
0xAA 0x18
• Setting the picture size (Set Picture Size)
Header Command ID
0xAA 0x18
"Screen Mode": A code that sets the product status
0x01 16 : 9
0x04 Zoom
0x31 Wide Zoom
0x0B 4 : 3
• Ack
Header Command ID Data
length
0xAA 0xFF 3
"Screen Mode": A code that sets the product status
Video Wall function is enabled.
Data length Checksum
0
Data Data Checksum
length
1 "Screen
Mode"
Ack/Nak r-CMD Val1
'A' 0x18 "Screen
Mode"
• Nak
Header Command
0xAA 0xFF
"ERR": A code showing what error has occurred
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
0xAA 0x19
• Ack
Header Command
0xAA 0xFF
"Screen Size": product screen size (range: 0 – 255, unit: inch)
• Nak
Header Command
Checksum
0xAA 0xFF
"ERR": A code showing what error has occurred
ID Data Ack/Nak r-CMD
length
3 'N' 0x18
ID Data length Checksum
0
ID Data Ack/Nak r-CMD
length
3 'A' 0x19
ID Data Ack/Nak r-CMD
length
3 'N' 0x19
Val1 Checksum
"ERR"
Val1 Checksum
"Screen
Size"
Val1 Checksum
"ERR"
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