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Receiving a TMO Broadcast Call
The Broadcast Call (also called Site Wide Call) is a high-priority
group call from the console operator (or dispatcher) to all users. The
MTH800s are configured to monitor a Broadcast Call, but users
cannot talk back.
The Broadcast Call pre-empts an on-going Group Call that has the
same (or lower) call priority.
DMO Group Calls
In DMO, the MTH800 can be used without your Service Provider’s
infrastructure.
DMO allows communication with other terminals also operating in
DMO, which are on the same frequency and group as your
MTH800.
When you start a call, the members of the selected group who have
their units turned on will receive the Group Call.
In DMO the MTH800 can communicate with the trunking system
(and vice-versa) if the Gateway option is enabled in the MTH800.
Making a DMO Group Call
1. Enter Direct Mode by pressing Optns and selecting Direct
Mode.
2. Make sure that you have selected the required group. Press and
hold the PTT button.
3. Wait for the talk permit tone and then speak into the microphone.
Release the PTT button to listen.
Receiving a DMO Group Call
You can receive a DMO Group Call only when your MTH800 is in
DMO.
Unless it is engaged in a call, your MTH800 will receive the Group
Call. To answer the call, press and hold PTT.
Your MTH800 shows the Group name and the caller’s private
number or alias if previously stored in your contact list.
Exiting DMO
To exit DMO, press Optns and select Trunked Mode.
In DMO you can only place group calls and emergency group calls.
6802972C30.book Seite 28 Montag, 12. Juli 2004 4:11 16
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