Motorola XPR 7550 用户手册

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页码 120
Making and Receiving Calls
English
30
2
Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from 
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. 
4
Wait for the Talk Permit Tone to finish (if enabled) and 
speak clearly into the microphone. 
OR
Wait for the PTT Sidetone to finish (if enabled) and speak 
clearly into the microphone.
5
Release the PTT button to listen. When the target radio 
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. 
Press the PTT button to respond.
OR
If there is no voice activity for a predetermined period of 
time, the call ends.
7
You hear a short tone. The display shows Call Ended.
Making a Group, Private or All Call with the 
Programmable Number Key 
The Programmable Number Key feature allows you to make a 
Group, Private or All Call to a predefined alias or ID easily. This 
feature can be assigned to all the available number keys on a 
keypad.
You can ONLY have one alias or ID assigned to a number key, 
but you can have more than one number key associated to an 
alias or ID.
Procedure:
When you are on the Home screen:
1
Long press the programmed number key to make a Group, 
Private or All Call to the predefined alias or ID.
If the number key is not associated to an entry, a negative 
indicator tone sounds.
2
Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from 
your mouth.
3
Press the PTT button to make the call. The LED lights up 
solid green. The Group/Private Call icon appears in the top 
right corner. The first text line shows the caller alias. The 
second text line displays either the call status for a Private 
Call or All Call for All Call.