13-7
13
IM 701830-01E
Other Operations
13.5 Locking the Keys
Function
This function locks the operation keys so that the current DL716 condition is not changed
accidentally.
Operating Procedures
1.
Press the
PROTECT
key. The “
PROTECT
” LED turns ON and the operation keys are
locked.
2
.
To release the key lock, press the
PROTECT
key again.