Braun Bodycam BCX2 Benutzerhandbuch Seite 32

When all the date/time settings have been made, press "OK".
Police ID settings: Click on the "OK" button to set the ID
number. Click on the "up" or "down" button. After selecting the
setting, press the "OK" button and hold to return to the settings
menu.
The ID number may consist of letters and numbers.
Key tones On/Off:
Here you can switch the key tone on or off.
Select "On" or "Off". Press the "OK" button to confirm your
selection.