Responding To Low Battery Indicators; Operating The Portable Unit From The Cradle - AT&T 2U20 Instruction Booklet

Cord-free headset
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TONE (*) Key (Home Office Use)
In order to interact with systems such as voice mail
and answering machines, you may need to use tone
dialing. Even if your base unit is normally set to pulse
(P) dialing, you may still switch to tone dialing via
the portable unit.
To temporarily switch to tone dialing, press the
TONE (*) key while the portable unit is on. Once
in tone dialing mode, the portable unit will remain
in this mode until the unit is turned off.

Responding to Low Battery Indicators

When using the portable unit, you will be notified of
a low battery condition by both an audible tone and a
flashing LOW BATTERY indicator. These indicators
will be activated approximately four minutes before
the battery pack is completely discharged.
If you try to turn on the portable unit when it is
experiencing a low battery condition, the ON/OFF/MUTE
indicator will flash 3 times and turn off.
Once you notice the low battery indicators, immedi-
ately recharge the battery pack by placing the portable
unit in the cradle of the base unit. If the battery pack
is allowed to discharge completely, you may lose the
phone numbers stored in memory speed dial.
Once the battery pack is recharged, the low battery
indicators will turn off.
The headpiece may be used while the battery pack in
the portable unit is being recharged (see section on

Operating the Portable Unit From the Cradle).

Operating the Portable Unit From the Cradle
The portable unit and headpiece will operate when
seated in the cradle of the base unit, even when the
battery pack is discharged.
13
MNO
JKL
GHI
WXY
TUV
PRS
Tone
Oper
On/Off Low B
Mute
Mute Redial/Pause
On/Off
Chnl
Flash Mem/Store

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