Key Settings (+/–)

The Plus and Minus keys allow for the individual setting of the levels of speech, ringing and ring tones.

Change Speech Volume

-whilst busy on a call

-press + or keys to adjust Speech volume

-press + and keys simultaneously to store setting

Change Ringing volume or Ring Tone frequency

-Do not lift handset

-press + and keys simultaneously

- press

1

and then + or

keys to adjust Ringing volume

-

or

2

and then + or

keys to adjust Ring Tone frequency

-

press + and keys simultaneously to store setting

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Image 19
Siemens 150 manual Key Settings +, Change Speech Volume, Change Ringing volume or Ring Tone frequency