AASTRA DT4x2 for MX-ONE User Guide EN - Manual (Page 29)

29 DT412/DT422/DT432
Switching On/Off
Switching On/Off
Switch on
æ
Press and hold until the display lights up.
If the phone does not switch on or the Battery icon is displayed,
the battery is low. Charge the battery.
The display shows:
Yes
Press within two seconds to confirm (see display).
Now you can use your phone.
Notes:
If the message No System is displayed you cannot make or
answer calls.
Depending on system programming, your phone can be
locked. To unlock the phone, see section “ Phone lock ” on
page 105 .
Switch on?
No Yes