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Screen size control
Function
The screen size of a product can be changed using a PC.
Viewing the screen size (Get Screen Size Status)
Ack
"Screen Size": product screen size (range: 0 – 255, unit: inch)
Nak
"ERR": A code showing what error has occurred
Header Command
ID
Data length
Checksum
0xAA 0x19 0
Header
Command
ID
Data length Ack/Nak r-CMD Val1
Checksum
0xAA 0xFF 3 ‘A’ 0x19
"Screen
Size"
Header
Command
ID
Data length Ack/Nak r-CMD Val1
Checksum
0xAA 0xFF 3 ‘N’ 0x19 "ERR"