Jabra PRO 920 920-25-508-101 Benutzerhandbuch

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4.  CONFIGURING THE DESK PHONE AUDIO

Due to the large range of desk phone brands/models available, a clear dial 

tone must be set before first-time use of the Jabra PRO 920. setting the clear 

dial tone will enable the Jabra PRO 920 to function correctly with your specific 

desk phone. additionally it is also important to set the microphone volume for 

optimal sound quality.

4.1  SET A CLEAR DIAL TONE

1. Put on the headset.
2. Press the headset button on the 

desk phone, or lift the desk phone 

handset.

3. Locate the clear dial tone switch on 

the back of the Jabra PRO 920 base, 

as illustrated, and while listening 

in the headset for a clear dial tone, 

rotate the switch from a to G. 

4. Determine the best switch position. 

the dial tone should be strong, 

clear and undistorted.

5. When the clear dial tone is set, 

press the headset button on the 

desk phone, or return the desk 

phone handset to the receiver.

CLICk