If a radio is within range of a repeater but for some reason a call cannot be set up through it your
radio attempts to set up the call in DMO Mode and the Communication Mismatch icon is
displayed to all members of the talkgroup to indicate that there may be members of the talkgroup
who cannot take part in the call.
DMO options
You can select the following DMO options:
GW DMO Ind Address
Set the default individual address to which a TMO Individual call is routed by a radio operating in
DMO gateway mode.
Press Select then Options.
Edit—enter a new address as described in Text entry on page58. The dial mode may be changed
by pressing the Up and Down Navigation keys. When the number and dial mode are as required
press Save.
Phonebook—enter a new address from the phonebook. Navigate to the required phonebook
contact then press Details see all numbers associated with the chosen contact. Select a number
and press Save.
Use Default—reverts changes to the default value.
Presence Check
Specify whether Presence Checking is performed before DMO Individual calls are made. When
Presence Checking is On your radio checks whether the intended receiving radio is available and in
radio contact before it attempts to set up the call.
GW/Rep Filter
Specify whether your radio uses or ignores any gateway and/or repeater it detects.
In the Gateway/Repeater Filter screen select one of the following options:
No GW/Rep—do not use any gateways and repeaters detected by your radio
Use Repeater—Use repeaters detected
Use Gateway—Use gateways detected
Use GW/Rep—Use a gateway or a repeater detected by your radio.
When option Use GW/Rep is selected, your radio selects the first gateway or repeater that it detects.
If the radio selects a gateway, a gateway icon is displayed on the status line. If the gateway
stops sending a presence signal it will no longer be detected by your radio.
DMO gateway operation
A DMO gateway (or gateway) is a device which allows users working in Direct Mode Operation
(DMO) to communicate with users operating on a Trunked Mode Operation (TMO) network (see
User Guide 73
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