Motorola 4550 - Manual (Page 28)

Receiving and Making Calls
English
18
Procedure:
1 Press the Channel Rocker to select the channel with the
active subscriber alias or ID.
2 Press the PTT button to make the call. The green LED lights
up. The first line displays the subscriber alias or ID. The
second line displays Private Call and the Private Call
icon.
3 Wait for the Talk Permit Tone to finish (if enabled) and speak
clearly into the microphone.
4 Release the PTT button to listen. When the target radio
responds, the green LED blinks.
5 If the Channel Free Indication feature is enabled, you will
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.
6 You hear a short tone. The display shows Call Ended.
You can also make a Private Call via Contacts (see Making a
Private Call from Contacts on page 30), manually dial a
Private Call (see Making a Private Call by Manual Dial on
page 66) or perform a quick alphanumeric search for the
required target alias via a keypad entry (see Making a Private
Call by Alias Search on page 67).
Making an All Call
This feature allows you to transmit to all users on the channel.
Your radio must be programmed to allow you to use this feature.
Procedure:
1 Press the Channel Rocker to select the channel with the
active All Call group alias or ID.
2 Press the PTT button to make the call. The green LED lights
up. The display shows the All Call group alias or ID, and the
All Call icon.
3 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.
Users on the channel cannot respond to an All Call.
Making a Group or Private Call with the One Touch
Access Button
The One Touch Access feature allows you to make a Group or
Private Call to a predefined alias or ID easily. This feature can
be assigned to a short or long programmable button press.
You can ONLY have one alias or ID assigned to a One Touch
Access button. Your radio can have multiple One Touch
Access buttons programmed.


NAG_6880309T15.book Page 18 Tuesday, March 9, 2010 11:47 AM