2.4 GHz Cordless Telephone with Caller ID

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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 depending
on operating conditions.
Headset Jack
You can use this telephone hands-free when you
install a 2.5mm headset (purchased separately). To
install, plug the headset into the HEADSET JACK
at the top of the handset. While in headset mode,
the volume of headset is controlled by the tele-
phone and the handset’s earpiece and microphone
are disconnected.
Ordering a Headset
In the event you wish to purchase a headset for your
C4210, please contact Plantronics at 1-800-544-4660
for a location near you. We recommend using the
Plantronics M110 or M130 headset.
Belt Clip
You may choose to use the optional belt clip with
your handset.
1. To attach slide belt clip down onto grooves.
Press the tabs on the belt clip into the slots
to attach.
2. To remove, lift one side of the belt clip with
your thumbnail and push back.
Hearing Aid Compatibility
The handset has a special coil inside of it to couple
the sound to hearing aids equipped with T-Switches/
T-Coils.
HANDSET BATTERY INSTALLATION
The C4210 uses a 3.6Volt 600mAh NiMH recharge-
able 3 cell (AAA Type) battery that is included with
your unit.
Handset Battery must be connected before
beginning initial charging.
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
Handset Battery Charging
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.
Low Battery
When the handset battery gets low, there will be
two (2) beeps every thirty (30) seconds. If the bat-
tery 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.
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.
Note: The battery in the
handset must be fully charged
for 12 hours before using the
telephone for the first time.
Installing and
connecting battery
Battery
Connector
Battery
Pack Plug
Battery
Compartment
Cover
Talk Time: about
four (4) hours
Standby Time: about
eight (8) days
GETTING STARTED GETTING STARTED