Sennheiser SD Pro2 HS binaural User Manual

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Testing the headset system and the sound quality
18 | 
SD Series - User Guide
Adjusting the audio signal by means of the dial tone
1
Put on the headset and press the Phone button   on the base station.
2
Press the Link button on the headset. The Link LED
 on the base
station lights up blue.
3
Lift the handset. You hear a dial tone.
4
Set the 
ABC
 switch to the position 
A
B
 or 
C
 so that you can hear a clear
dial tone in the headset.
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2
4
3