Operation
8
Lock Function
Note
Call button, Range
Extender button and Talk
button do not lock and are
fully operational while the
unit is locked.
The unit cannot lock while
in function mode.
Lock Function
The purpose of the LOCK function is to lock most
buttons to avoid accidental operation.
To engage the LOCK function:
Push and hold Lock button until
flashes.Channel up/down and Mode buttons
are now locked. An audible tone will also con-
firm lock function.
To“unlock”push and hold Lock button
until disappears.
1
2
FRS_225 3/2/01 3:23 PM Page 8