See also:

Category selection
To activate the category search mode, press the “PTY/CAT” button. To deactivate the category search mode, press the “PTY/CAT” button again. When in the category search mode, pressing the “FOLDE ...

Turbo models
...

Volume control
You can adjust the phone call volume, the voice volume and the voice guidance volume. Refer to “Volume control switch” F5-32. Adjustable level of each volume ...