Motorola XPR 7550 用户手册
Making and Receiving Calls
English
28
5
Release the PTT button to listen.When the target radio
responds, the LED blinks green. You see the Group Call
icon, the group alias or ID, and transmitting radio alias or ID
on your display.
responds, the LED blinks green. You see the Group Call
icon, the group alias or ID, and transmitting radio alias or ID
on your display.
6
If the Channel Free Indication feature is enabled, you
hear a short alert tone the moment the target radio releases
the PTT button, indicating the channel is free for you to
respond. Press the PTT button to respond.
OR
If there is no voice activity for a predetermined period of
time, the call ends.
the PTT button, indicating the channel is free for you to
respond. Press the PTT button to respond.
OR
If there is no voice activity for a predetermined period of
time, the call ends.
7
Radio returns to the screen you were on prior to initiating the
call.
call.
You can also make a Group Call via Contacts (see Making a
Group Call from Contacts on page 44).
Group Call from Contacts on page 44).
Making a Private Call
While you can receive and/or respond to a Private Call
initiated by an authorized individual radio, your radio
must be programmed for you to initiate a Private Call.
initiated by an authorized individual radio, your radio
must be programmed for you to initiate a Private Call.
There are two types of Private Calls. The first type, where a
radio presence check is performed prior to setting up the call,
while the other sets up the call immediately.
radio presence check is performed prior to setting up the call,
while the other sets up the call immediately.
Only one of these call types can be programmed to your
radio by your dealer.
radio by your dealer.
You hear a negative indicator tone, when you make a Private
Call via the Contacts list, Call Log, One Touch Access button,
the programmed number keys, or the Channel Selector Knob,
if this feature is not enabled.
Call via the Contacts list, Call Log, One Touch Access button,
the programmed number keys, or the Channel Selector Knob,
if this feature is not enabled.
Use the Text Message or Call Alert features to contact an
individual radio. See Text Message Features on page 60 or
Call Alert Operation on page 53 for more information.
individual radio. See Text Message Features on page 60 or
Call Alert Operation on page 53 for more information.
Procedure:
1
Select the channel with the active group alias or ID. See
Selecting a Channel on page 23.
OR
Press the programmed One Touch Access button.
Selecting a Channel on page 23.
OR
Press the programmed One Touch Access button.
2
Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from
your mouth.
your mouth.
3
Press the PTT button to make the call. The LED lights up
solid green. The Private Call icon appears in the top right
corner. The first text line shows the subscriber alias. The
second text line displays the call status.
solid green. The Private Call icon appears in the top right
corner. The first text line shows the subscriber alias. The
second text line displays the call status.
4
Wait for the Talk Permit Tone to finish (if enabled) and
speak clearly into the microphone.
speak clearly into the microphone.
5
Release the PTT button to listen. When the target radio
responds, the LED blinks green.
responds, the LED blinks green.
6
If the Channel Free Indication feature is enabled, you hear a
short alert tone the moment the target radio releases the
PTT button, indicating the channel is free for you to respond.
short alert tone the moment the target radio releases the
PTT button, indicating the channel is free for you to respond.