15
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.
Talk Time: about
four (4) hours
Standby Time: about
eight (8) days
GETTING STARTED