Operation Manual

Table Of Contents
13BusinessPhone Cordless DT400/DT410/DT420/DT430
Description
Switching on/off the Cordless
Switch on
T
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:
O
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:
z
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