You can lock the keys
so that settings, memory,
and sequence
cannot
be changed.
The table below lists the keys that are operational even
in a key
locked condition.
Table5-1 Keys
that are operational
in
a
key
locked condition
Channel
LOAD
key (turn the load
on/ofO
DISP
key (switch the display)
Frame
LOAD key
(turn
the
load
on/ofO
CLEAR key (clear alarms)
KEY LOCK (SHIFT + LOCAL)
key
(clear key lock)
LOCAL
key (release RMT)
Fig.
5-1
2 Keys for the key lock function
Setting the key
lock
Press the
KEY LOCK (SHIFT + LOCAL) key.
The KEY
LOCK LED illuminates and the keys are locked.
Clearing the key lock
Hold down the KEY
LOCK (SHIFT
4-
LOCAL) key until the
KEY
LOCK LED
turns off.
When
the KEY
LOCK LED turns off,
the
key lock is cleared.
5-16
Application Operation PLZ-U