1 Find "Profiles"
Press the Navigation key.

Scroll to Settings and press the Navigation key.

Scroll to Profiles and press the Navigation key.

2 Activate or deactivate
To activate silent mode:
Scroll to Silent and press the Navigation key.
Scroll to Silent and press the Navigation key.

Scroll to Activate and press the Navigation key.

To deactivate silent mode:
Highlight a profile other than Silent and press the Navigation key.
Highlight a profile other than Silent and press the Navigation key.

Scroll to Activate and press the Navigation key.
