Setting Tones, Calls And Contrast - Tenovis OS33 Operating Instructions Manual

Setting tones, calls and contrast

You can adjust the volumes of handset and loudspeaker, the sound and frequency of the ringer as well as the
display contrast on your operator set. The settings remain active only until you lock the operator set.
Calling up the Acoustics menu
1. Press the Acoustics key. The Acoustics menu
appears.
Acoustics
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