Clarity A Division of Plantronics Inc. C4230 Manual Do Utilizador

15

Volume Control
During a call, the dial on the side controls the level of 
volume for the handset and speakerphone. The volume 
dial provides up to 16dB of volume before the BOOST 
button is activated. Once the BOOST button is pressed, 
the C4230 will provide up to 50dB of amplification.
When phone is not in use, the dial on the side controls 
the level of the ringer volume.

Boost Override
Select Boost Override on the Main Menu. Use the  
Arrow buttons to scroll from ON to OFF. Select  
your choice and then press the (soft key) Save. 

 – When the Boost override is set to ON, the  

Boost function will be ON every time a call starts.  
If the phone hangs up, the Boost will remain ON.
OFF

 –  When the Boost is set to OFF, the Boost  

function will be OFF.  Every time a call starts, the user  
will need to press the BOOST button in order to gain 
the extra level of amplification. If the phone hangs up,  
the BOOST button will reset to OFF. 

Audio Tone
Press the Tone button to change the style of amplifi- 
cation. Switching audio tones will change how the 
telephone conversation sounds to you. See the matrix  
on page 16 for general recommendations on audio  
tones based on your particular hearing situation.

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Visual Ringer

Boost Override

Exit 

Select

Initial Setup

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Boost Override

Back 

Save

ON

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