switel TC42 Bedienungsanleitung Seite 45

Ringing tone
You can adjust the ringing tone using a slide control on the right−hand side
of the housing. There are 3 ringing tones for selection.
Sending loudness rating
You can increase or reduce the sending loudness rating for the
microphone in the receiver by means of a slide control on the right−hand
side of the housing.
All manuals and user guides at all-guides.com
Change the ringing tone using the
slide control
Adjust the sending loudness rating
using the slide control
Telephoning
45