Selecting TMO or DMO Operation
Entering TMO or DMO
Enter TMO or DMO in one of the following ways:
• Press and hold
• Press and hold
Calls (Trunked Mode Operation)
TMO Group Calls
A Group Call is a communication between you and others in a
talkgroup. A Talkgroup is a pre-defined set of subscribers enabled to
participate in and/or invoke a Group Call.
Talkgroups are divided into ranges. Each range may contain
several talkgroups.
Making a TMO Group Call
1. Press
2. If this is the required talkgroup and range, press and hold the
PTT. Wait for the talk permit tone and then speak into the
microphone.
Release the PTT button to listen.
3. If you wish to call a talkgroup other than the one shown, press
or
4. To select a range other than the one shown, press
Range option, use
your selection (or PTT to start the call in the new range).
When you start a call, all members of the selected talkgroup who
have their units turned on, will receive the transmission.
The "No Group" message is displayed when you are out of the
normal coverage area of your selected talkgroup. You must then
select a new talkgroup that is valid for your working location.
18
(TMO) if the MTM800 is in DMO.
(DMO) if the MTM800 is in TMO.
.
to scroll through the talkgroups.
or
to scroll. Press
, select the
to confirm