13
Term
Individual Call
A half-duplex or full-duplex call
initiated by an individual user
to another individual user.
Group Call
A half-duplex call initiated by
an individual user to a group.
Half-duplex
Half-duplex communication is
also called
“
two-way alternate
communication
”
. It indicates
the communication is provided
in both directions, but only one
direction at a time, that is, only
one party is allowed to transmit
or receive at a time.
Full-duplex
Full-duplex communication
is also called
“
full-duplex
synchronous communication
”
.
It indicates the communication
is allowed in both directions
simultaneously, that is, both
p a r t i e s c a n t r a n s m i t a n d
receive at the same time.
Direct Mode
Operation
(DMO)
DMO supports half-duplex
operation and allows the
terminals to communicate
directly with each other, without
u s i n g a T E T R A n e t w o r k
infrastructure. Thus functions
that require network access,
such as telephone call, will be
unavailable.
Trunked
Mode
Operation
(TMO)
TMO supports either half-
duplex or full-duplex operation
and allows the terminals
to communicate with each
other via the TETRA network
infrastructure. Thus functions
that require network access are
available. To operate in TMO
mode, the terminal must be
granted authorization by your
service provider, and must stay
within the network coverage.
Disclaimer
Hytera Communications Co., Ltd. (the Company)
e n d e a v o r s t o a c h i e v e t h e a c c u r a c y a n d
completeness of this manual, but no warranty of
accuracy or reliability is given. All the specifications
and designs are subject to change without notice due
to continuous technology development. No part of
this manual may be copied, modified, translated, or
distributed in any manner without the express written
permission of us.
We do not guarantee, for any particular purpose,
the accuracy, validity, timeliness, legitimacy or
completeness of the Third Party products and
contents involved in this manual.
If you have any suggestions or would like to learn
more details, please visit our website at:
http://www.
hytera.com
.
