Plantronics CS50 Manuel Complémentaire

I cannot hear caller/dial tone.

•

Check that all cords and jacks are 
connected correctly.

•

Check that the base has power
(power indicator     * is red) and  
the headset battery is fully charged.

•

Try other telephone configuration 
dial      settings on the base unit. 
Ensure the selected number is 
directly in line with the horizontal 
position indicator. See Step 4.4 in 
the QSG.

•

Ensure you are in headset mode. 
Press the talk button to select 
correct mode.
The talk indicator      light on the 
base is on (green).

•

Select another listen volume 
master     setting on the base. 

Callers cannot hear me.  

•

Try other telephone configuration 
dial     settings on the base unit. 
Ensure the selected number is 
directly in line with the horizontal 
position indicator. See Step 4.4 in 
the QSG.

•

Increase the speak volume fine  
tune      on the base unit.
If the volume is still too low, 
increase the talk volume master 
setting      on the bottom of the 
base unit.

•

Check that the mute function is off.
See Step 5.2 in the QSG.

*               ... refer to Quick Start Guide (QSG) for 

details of corresponding numbered features.