3.5
Key Lock
The
fr
on
t pa
nel
keys
ca
n be
locke
d
to
pr
even
t un
wanted
changes
from
the f
ront
panel.
Fo
llow
the
s
teps
be
low
t
o
e
nable/disable
k
ey
l
ock.
1.
Press
the
key
and
the
n t
he
button
.
The
button
w
ill illu
minate
indicating
tha
t
the
fr
on
t
panel
k
eys
a
re
l
ocked
.
At
t
his
p
oint,
all k
eys
ar
e
disabled
e
xcept
for
,
a
nd
the
buttons.
2.
To
un
loc
k th
e
ke
ys,
p
ress
the
key
a
n
d th
e
n th
e
button.
The
button
illumination
will
turn
off
and
a
ll k
eys
will b
e
enabled.
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