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BATTERY INSTALLATION
The C420 uses a 3.6Volt 600mAHr NiMH
rechargeable 3 cell (AAA Type) battery that is
included with your unit.
HANDSET BATTERY MUST BE CONNECTED
BEFORE BEGINNING INITIAL CHARGING.
To connect battery, remove battery compart-
ment cover and connect battery pack plug
into the battery connector as shown
in Diagram C.
Diagram C: Installing and Connecting Battery
The battery in the handset must be fully
charged for 12 hours before using the
telephone for the first time.
To Install a New Battery:
1. Remove battery cover
2. Install new battery
3. Connect battery pack
4. Replace battery cover
5. Charge for 12 hours
before first use
10
Getting Started
Handset Battery Charging
Low Battery
When the handset battery gets low, there will
be two (2) beeps every thirty (30) seconds
and the TALK button will flash. If the battery
becomes low while you are on a call, you
will be disconnected after about two (2)
minutes. Terminate the call and recharge
the battery. To recharge the battery pack,
place the handset in the base.
The battery charge can also be monitored via
the battery charge icon. This icon appears
while the phone is in the stand by mode and
indicates the condition of the batteries.
Battery Life
A fully charged battery provides an average
talk time of about four (4) hours, or standby
time of about (8) days.
Talk time and standby time may vary depend-
ing on operating conditions.
1. Place the handset in the base. The
CHARGE LED on the base will
light RED.
2. After the batteries are fully charged,
check for dial tone by pressing TALK
on the handset.
1. Make sure the contact points are
touching and the CHARGE LED is lit.
2. Be careful not to short battery with
conducting materials such as rings,
bracelets and keys.
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