Telephone Call
Telephone call is usually a full duplex call initiated between
the terminal and a PSTN subscriber (such as telephone
user or mobile phone user).
To send or receive telephone calls, the mobile terminal
must operate in TMO mode, and must be authorized to
access public network through PSTN gateway. Telephone
call is a network service. For more details and availability
of the service, please contact your service provider.
Emergency Call
Emergency call has the highest priority, and is very helpful
for the user to request help when emergency occurs.
Generally, it is set to group call type. Emergency call can
break off any non-emergency calls in progress.
DMO (Direct Mode Operation)
DMO mode allows the terminals to communicate directly
with each other in simplex mode, without network
restriction. But functions that require network access, such
as telephone call and short message, will be disallowed.
TMO (Trunked Mode Operation)
TMO mode allows the terminals to communicate with
each other via the TETRA network, in half duplex or full
duplex mode. Functions that require network access are
supported.
Icon Information
The following icons are available through this manual:
Caution: indicates situations that could cause
damage to your terminal.
Note: indicates tips that can help you make
better use of your terminal.
Term Explanation
Key Operation
Short press: to press a key and release it quickly.
Long press: to press and hold down a key for above 2.5
seconds.
Hold down: to press a key and remain holding it down.
Individual Call
Individual call is a simplex or duplex call initiated by a
single user to another user, involving the calling party and
the called party only.
Group Call
Group call is a simplex call initiated by a single user to a
group of users, involving the calling party and all the group
members.
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