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43-1051.fm Page 11 Tuesday, August 17, 1999 1:08 PM
• If the battery pack gets completely
discharged, the ET-551 loses the
security access-protection code.
To reset the code, place the hand-
set on the base and charge the
battery pack.
• The supplied battery pack should
last about a year. When the bat-
tery pack loses its ability to fully
recharge, order a replacement
battery pack from your local Ra-
dioShack store (see "Replacing
the Battery Pack" on Page 19).
SETTING THE DIALING
MODE
Set
(Tone/Pulse) on the back of
T/P
the base for the type of service you
have. If you are not sure which type
you have, do this test.
1. Set
to
.
T/P
T
2. Lift the handset, press
listen for a dial tone.
3. Press any number other than
Note:
If
your
requires that you dial an access
code (
, for example) before you
9
dial an outside number, do not
press the access code either.
TURNING THE RINGER
ON OR OFF
To turn off the ringer, set
the base to
set it to
Note: With the base's ringer off, you
can still make calls using the phone.
You can also receive calls if you hear
another telephone on the same line
ringing.
SETTING THE VOLUME
Adjust
handset to control the volume of the
, and
TALK
sound you hear through the handset.
0
.
phone
system
If the dial tone stops, you have
touch-tone service. Leave
to
.
T
If the dial tone continues, you
have pulse service. Set
. To turn on the ringer,
OFF
.
ON
on the side of the
VOLUME
set
T/P
to
.
T/P
P
on
RINGER
11
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