DT390
A message box with the text IPEI followed by the IPEI number (13 digits) is
shown.
− If the phone lock is on, Enter PIN code is shown.
− Enter the PIN code.
Note: Write down the IPEI code for future use. If you cannot retrieve the IPEI
code, please contact your system administrator. Keep the IPEI code
secret to prevent misuse of your phone.
2.4 Preparing for Use
Before using y our phone for the first time, you have charge and connect the
battery, see Section 21.2 on page 89.
Note: Place the phone in the charger and charge it for at least one hour
before using it the first time.
2.5 Accessibility and Voice Quality
The base network is not always available. If you do not get in contact with
your system, contact your system administrator. For best voice quality, avoid
positioning near computer, radio or similar equipment.
2.5.1 Operating area
You can use your cordless telephone in the area that is covered by the network.
Outside this area you will lose contact with the telephone network. The signal
strength icon, will disappear and No network will be displayed.
2.5.2 Out of Range
When you leave the system coverage area you w ill hear a short beep and see
a lamp indication, and the text Searching will appear in the display. The out
of range beep will be repeated every minute for 30 minutes. It is possible to
turn the sound off b y pressing
. When reentering the coverage area it
can take a couple of minutes before the phone automatically has registered
into the system.
2.5.3 Frequency Range
The handset is a radio transmitter and receiver. When it is on, it receives
and sends out radio frequency (RF) energy. The handset operates on
different frequency ranges depending on market and employs commonly used
modulation techniques:
• EU 1880 - 1900 MHz
10
1424-EN LZT 103 091 Uen A1 2008-10-27
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