Jabra PRO 920 User Manual - Page 13

ENGLISH 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. 4.2 SET THE MICROPHONE VOLUME 1. Put on the headset. 2. Get a dial tone by pressing the headset button on the desk phone, or by lifting the desk phone handset. 3. Make a test call. Call a friend or colleague to test your speaking volume. Ensure the listener does not adjust their own volume. 4. Adjust the microphone volume using the microphone + / - volume buttons, as illustrated, if your speaking volume is too loud or too quiet for the listener. 5. When the microphone volume is set, end the call. Note: To reset the microphone volume to the factory default setting, press and hold both microphone + / volume buttons until a tone is played, and then release. CLICK JABRA PRO 920 14