Aastra DT390 - 4 Switching on and off; Switching on; Switching off

SwitchingOnandOff
4 Switching On and Off
In this section, switching on and off the telephone is described.
Note: If the message No System is displayed you cannot make or answer
calls. Depending on system programming, your phone can be
automatically locked. To unlock the phone, enter your four-digit code
(factory default is “0000”).
4.1 Switching on
To switch on the telephone:
1. Press and hold
.
The telephone will vibrate and the display lights up.
2. Press Yes.
Note: If the phone does not switch on, or the Battery icon indicates low
level, charge the battery.
4.2 Switching off
To switch off the telephone:
1. Press and hold
.
2. Press Yes.
The display turns blank. Now your phone is switched off.
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1424-EN LZT 103 091 Uen A1 2008-10-27