Samsung IFH User Manual page 25

• Ack
Header Command Data length
ID
0xAA 0xFF
"Input Source": An input source code to be set on a product.
• Nak
Header Command Data length
ID
0xAA 0xFF
"ERR" : A code showing what error has occurred.
Ack/Nak r-CMD Val1
"Input
3 'A' 0x14
Source"
Ack/Nak r-CMD Val1
3 'N' 0x14 "ERR"
Safety Lock
• Function
Checksum
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
Checksum
• Enabling or disabling safety lock (Set Safety Lock Enable / Disable)
Header Command
0xAA 0x5D
"Safety Lock": Safety lock code to be set on a product
1: ON
0: OFF
• 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.
Data length
ID Checksum
0
Data length Data
ID
1 "Safety Lock"
Data
Ack/Nak r-CMD
length
ID
3 'A' 0x5D
Data
Ack/Nak r-CMD
length
ID
3 'N' 0x5D
Checksum
Val1
Checksum
"Safety Lock"
Val1
Checksum
"ERR"
25