Operation Manual

Table Of Contents
Other Useful Facilities
BusinessPhone Cordless DT400/DT410/DT420/DT43058
Personal alarm
Activate
Press the red alarm button twice within 2 seconds
The display shows:
You will hear a short, soft tone. An alarm is sent to the alarm
central. After that, the telephone returns to standby mode.
Note: You can always trigger the alarm, even when you are
speaking, editing your settings or while the phone is locked.
Cancel
C
Press to cancel the personal alarm
Test alarm
Press and hold the red alarm button
The display shows:
C
Press to cancel
Personal
Alarm
Test Alarm