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148
I
Troubleshooting
Testing the telephone display
Use a display test
if
you suspect that one of the
indicators
on the
telephone
is
not
working.
DisPlaY test
is the first display you
will
see after pressing
!Feature
I[]
@]
[]
.
Press TEST
or
l .
._Ho
_ 1
d
_ --JI
to
g,
o ahead with a
display
test.
Adjust
the
contrast for
the
tetephone
display
so you
will
be
•
• •
• •
•
•
able
to
see the test results
clearly.
Enter a number
to
e
change the contrast or press DOWN
and
UP.
Press OK or
.._ IH
0
_ 1
d
_ _,I
to go
ahead
with
the test.
•
During
the test, the
display should be
filled
with
solid,
dark
e
blocks and all the
indicators
next to the buttons
on
the
telephone
should be turned
on.
Any Busy Lamp Field
(BLF)
or CAP modules that
are
attached to the telephone should
•
also be completely
lit.
You
will
lose
any information that was
showing on the BLF before
the test
started.
Pressing any button ends
the test.
Testing the telephone buttons
•
Press
!Feature
I
[]
@]
[]
,
then
[!]
or
NEXT.
•
Press
TEST
or
._IH0
_.1
d
_
_,I
to go ahead with a button test.
•
Press button
to
see its
function.
If
the
button you
pressed
uses
an
indicator,
it should also turn on when you
test
the button.
•
• •
•
Pressing the
~
button puts
Rls.
button
on the
display briefly
•
and returns you
to the
Button test
display.
Testing the speaker in the telephone handset
The
handset test
is not available
if
you have a
headset
plugged into
the telephone
.
•
•
Press
!Feature
I[]
@]
[]
,
then
[!]
or NEXT twice. The
display
shows
Handset
test.
Press
TEST
or
l
,_H~
o'd
'--__,I
to
go ahead with a handset test.
Compact
ICS 1.0
System Coord111ator Gu>de
•
•
• •
•
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