26
RS-232C CODE
Command Detailed Explanation
Key Lock
Function
RS232 controller set
key lock on/off
Get
Key lock on/off
status
Start
Command
ID
Data
End
0xA9
0x17
0xAA
0x8A
Set
Key lock on/off
Start
Command
ID
Data
End
0xA9
0x17
Lock
0x8A
※
Lock : Key lock code to be set on display.
1
Key lock
ON
0
Key lock
OFF
Ack
Start
Command
ID
r-CMD
Data
End
0xA9
“A”
0x17
Lock
0x8A
“A” = 0x41
※
Lock : Same as above
Nak
Start
Command
ID
r-CMD
Data
End
0xA9
“N”
0x17
ERR
0x8A
“N” = 0x4E
ERR :
1
Invalid Command
2
Invalid Data
0xFF
Etc