Samsung PE40C User Manual page 51

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Screen size control
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Preparations
Ack
Header Command
0xAA 0xFF
"Screen Mode": A code that sets the product status
Nak
Header Command
0xAA 0xFF
"ERR": A code showing what error has occurred
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
0xAA 0xFF
"ERR": A code showing what error has occurred
UserManuals.info
Data length Ack/Nak
ID
3
Data length Ack/Nak
ID
3
Data length
ID
0
Data length Ack/Nak
ID
3
Data length Ack/Nak
ID
3
r-CMD Val1
"Screen
'A' 0x18
Mode"
r-CMD Val1
'N' 0x18 "ERR"
Checksum
r-CMD Val1
"Screen
'A' 0x19
Size"
r-CMD Val1
'N' 0x19 "ERR"
1 Preparations
Checksum
Checksum
Checksum
Checksum
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