Samsung QBH-TR Series User Manual page 46

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 ID Data
length
0xAA 0xFF 3
"Screen Size": product screen size (range: 0 – 255, unit: inch)
• Nak
Header Command ID Data
length
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"
Safety Lock
• Function
PC can be used to turn the
This control is available regardless of whether or not the power is turned on.
• Viewing the safety lock state (Get Safety Lock Status)
Header Command
0xAA 0x5D
• Enabling or disabling safety lock (Set Safety Lock Enable / Disable)
Checksum
Header Command
0xAA 0x5D
"Safety Lock": Safety lock code to be set on a product
1: ON
0: OFF
Checksum
• Ack
Header Command
0xAA 0xFF
"Safety Lock": Safety lock code to be set on a product
• Nak
Header Command
0xAA 0xFF
"ERR": A code showing what error has occurred
Safety Lock On function on or off on a product.
ID Data length Checksum
0
ID Data length Data
1 "Safety Lock"
ID Data Ack/Nak r-CMD
length
3 'A' 0x5D
ID Data Ack/Nak r-CMD
length
3 'N' 0x5D
Checksum
Val1 Checksum
"Safety Lock"
Val1 Checksum
"ERR"
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