13BusinessPhone Cordless DT400/DT410/DT420/DT430
Switching on/off the Cordless
Switch on
Press until the display lights up
If the Cordless does not switch on or the battery icon is displayed,
the battery is low. Charge the battery.
The display shows:
Press OK to confirm
Now you can use your Cordless.
Note: If the message No System is displayed you cannot
make or answer calls.
Switch off
Note: During calls, you cannot switch off your telephone.
The Switch off function has to be programmed as a Hot key, see
section Edit a Hot key on page 46.
If you already programmed a Hot key:
Press and hold the Hot key
The display shows:
After a few seconds, the display turns blank. Now your Cordless is
switched off.
Switch on?
Please wait