Ericsson R250d PRO, Руководство пользователя

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Basic Operations 21
blank line is shown in the display. The word
Private
may be shown if the caller ID is restricted by the system.
Low Battery Power Alert
The low battery alert sounds when your battery is reach-
ing its lowest operational power level. The words
Low
Battery
flash in the display, and the indicator light on
top of your terminal flashes red. When this happens,
leave your terminal turned On. The terminal discharges
the battery and then shuts itself Off. You should charge
the battery within 24 hours so that the battery can
charge to full capacity.
Security Code
Your terminal has a security code that you must enter to
gain access to certain functions, such as call restrictions
and calling card numbers. The factory-programmed
code is
0000 . You should change this code to provide
maximum security for your terminal.
Group Calling with TDMA Pro
If your service provider has the Ericsson TDMA Pro
Server, the R250d terminal supports group calling. Eric-
sson TDMA Pro supports calling a group of phones by
dialing a single group number defined in the TDMA
Pro database. When the terminal calls a group or receives
a group number, the display will indicate the group
name associated with the number on the second line of
the display.
When the call is active, the terminal will display the
group or alert call type on the third line of the display as
shown below.
The following group call types may be available:
• Talk - A group call where all member numbers are
dialed simultaneously and each member is included
when the terminal is answered. An active Talk
group call includes all members of the group who
answered the call. This is a two-way voice conversa-
tion. Your terminal will automatically answer Talk
group calls when Radio Mode is selected.
• Broadcast - A group call where live or pre-recorded
broadcast voice is sent to all member numbers of
the group when the terminal is answered. This is a
one-way voice conversation. Your terminal will