Clarity A Division of Plantronics Inc. C4210B ユーザーズマニュアル

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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.

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.

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.

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.

The handset has a special coil inside of it to couple 
the sound to hearing aids equipped with T-Switches/
T-Coils.