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User's Manual

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Keypad
light
The
keypad
lights
can
be
disabled
to
prevent
excess
use
of
po
wer.
Press
Menu/Select
and
then
select
Settings
,
General
,
Keypad
Light
,
and
Of
f
to
disable
the
keypad
lig
hts. T
h
e
keypad
lights
are
usefu
l
when
you
w
a
nt
to
use
the
phone
in
the
dark.
LCD
sleep
inte
rval
The
LCD
can
be
disabled
after
a
specific
time
interva
l
to
prevent
excess
use
of
powe
r
.
To
specify
the
time
inter-
val,
press
Menu/Select
and
se
lect
Set
t
in
gs
,
Gene
ral
,
LCD
Sleep
Interval
.
Then
s
e
lect
the
time
interv
al
f
rom
the
time
op
tion
s
rang
ing
from
20
secon
d
s
th
ro
ugh
160
sec-
on
ds.
Backlight
The
LCD
screen
back
light
can
be
disabled
when
not
in
use
to
conserve
power.
To
disabl
e
the
backlight,
press
Menu/Select
,
and
select
Settings
,
General
,
Backlight
On/
Off
,
and
Off
when
Inactive
.
Alternativel
y,
select
the
Always
On
option
to
always
keep
the
backlight
enabled.
A
l
arm
clock
The
PWG-500
has
a
real
time
clock
that
keeps
track
of the
time
and
also
lets
you
set
an
alarm.
To
set
an
alarm, press
not
in
use
to
conserve
power.
To
disable
the
back-
lig
ht,
press
Menu/Select
,
and
select
Settings
,
General
,
and
Alarm
.
If
an
alarm
has
been
set
before,
the
previous
alarm
time
setting
is
displayed.
Press
Menu/Select
and
choose
the
Adjust
option.
Use
the
arrow
and
Menu/
Select
keys
to
adjust
the
time
setting.
If
you
want
to
dis-
able
the
alarm,
select
the
Of
f
op
t
i
on
.
Gener
a
l
set
t
ing
s
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