
USER GUIDE
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TETRA terminals without having to use a network.
To access DMO mode, select the Modes/DMO menu or press hold the F1 button quick access
you have configured in the terminal for this function.
In DMO mode you can make group calls and individual calls. The emergency button is also
available, with which you can make a maximum priority call (pre-emptive) as explained in the
previous section.
Each group programmed to work in DMO mode is associated with a frequency, so changing
the group involves changing the frequency and only terminals with the same group selected
may communicate with each other in this operation mode.
Group calls
To make a group call in DMO mode, select the group with the arrows and pr ess PTT. The
procedure is similar to a group call in network mode.
8.3
Security
The terminal has encryption services to ensure the confidentiality of your communications.
Consult your services supplier for how to configure your terminal to work in encrypted mode.
8.4
Supplementary services
The following TETRA supplementary services are also available for this terminal: