See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Notes on Emergency Requests
Do not use the voice activation system to initiate an Emergency Request. In stressful situations, the voice and vocal pitch can change. This can unnecessarily delay the establishment of a teleph ...

Supplementary text messages
Addition information, such as on the cause of a fault or the required action, can be called up via Check Control. In urgent cases, this information will be shown as soon as the corresponding la ...