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Sepura SCC - DMO Gateway Operation

Sepura SCC
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Use GW/Rep—Use a gateway or a repeater detected by your radio.
Note: When option Use GW/Rep is selected, your radio selects the first
gateway or repeater that it detects. If it 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 which may
then detect a repeater. In this case the gateway icon is replaced by the
repeater icon on the status line.
Therefore when you are making a call look at the display to understand
how it will be made. Take care if a repeater and a gateway are using the
same frequency and your radio is configured to use both devices (that is,
option Use GW/Rep is selected).
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 DMO Mode on page 68). The gateway
re-transmits information received on the DMO Interface onto the TMO
interface, hence extending the working range of the DMO radios. Therefore if
your radio is in DMO and is within range of a gateway you can make and
receive Group calls to and from TMO radios, including your dispatcher.
When you switch to Gateway Mode, your radio connects your currently (or
last selected) selected DMO and TMO talkgroups.
Figure 1 - Gateway connecting DMO radios to TMO network
User Guide
71

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