The following icons are available through this manual:
Caution: indicates situations that could cause damage to
your product.
Note: indicates tips that can help you make better use of
your product.
Term Explanation
Key Operation
Short press: to press a key and release it quickly.
Long press: to press a key and remain holding it down for a
predened period (1.5 seconds by default).
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.
Telephone Call
Telephone call is usually a full duplex call initiated between
PT580H and a PSTN subscriber (such as telephone user or mo
To send or receive telephone calls, the 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 terminals to communicate directly with each
other in simplex mode, without network restriction. But functions
that require network access such as telephone call will be
disallowed.
TMO (Trunking Mode Operation)
TMO mode allows terminals to communicate with each other via
the TETRA network, in half duplex or full duplex mode. Functions
that require network access are supported.
To operate in TMO mode, the terminal must be granted authori-
zation by your service provider, and must be within the network
coverage.
Air Interface Encryption
An encryption method helpful for protecting message transmitted
over the air. It encrypts data and signaling transmitted between
the base station and terminal, to protect the message from eaves-
dropping.
PT580H Hytera 英文说明书 00(RoHS).ind2 2 2010-12-8 17:26:44
The radio is not intended for use by general population in an
uncontrolled environment. It is only for occupational use and only
applied to work-related conditions.The radio must be only used by
users, who are fully aware of the hazards of the exposure and who
are able to exercise control over their RF exposure to qualify for
the higher exposure limits.