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INTRODUCTION
This manual describes how to use the Orion Mobile Radio. The Orion is a
synthesized, microprocessor-based, high performance mobile FM radio
providing reliable two-way communications in both the Enhanced Digital
Access Communications System (EDACS) trunking environment and
conventional communication systems.
In the EDACS, or trunked system mode, the user selects a communications
system and group. In this mode, channel selection is transparent to the user
and is controlled via digital communication with the system controller. This
provides advanced programmable features and fast access to communication
channels.
In the conventional mode, the user selects a channel and directly
communicates on that channel. In this mode, a system refers to a set of
channels. A channel is a transmit/receive radio frequency pair.
The exact operation of the radio will depend on the operating mode, the
radio's programming and the particular radio system. Most features described
in this manual may be enabled or disabled through programming. Consult the
system administrator for the particular features that are programmed into the
Orion.
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