Telit Mobile Terminals S.p.A. SAT551 Manuel D’Utilisation

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Adjusting the volume in hands-free mode 
 

To adjust the conversation volume when in hands-free mode, merely press 

the keys on the side of the cradle. The upper key increases the volume, 

the lower decreases volume. 

The volume of the ring can be set using the same keys while the telephone 
is in stand-by mode.  

 
Note: The Sat 550 menu may also be used to adjust communication and 
ring volumes, or the 

instruction manual. 
 
Using the micro telephone 
 
The micro telephone (included in the pack) may be used for a private 

conversation. The hands-free mode is automatically disabled when the 

micro telephone is removed, and can be reactivated by replacing the micro 

telephone.  

 
Note: The micro telephone is not to be used while driving. It must 
only be used when the vehicle is stopped in a stopping zone.  
 

A call can also be made in private mode:  

 
t     Remove the micro telephone from its support. 
t 

  Key in the telephone number on the Sat 550 keyboard. 

t     Press the 

s key. 

 

To end the call simply press the 

e key. 

 
Note: A call that started while the ignition was switched on will 
continue until ended even when the vehicle‘s ignition is switched off 
during the call.