6
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
E
nhanced
D
igital
A
ccess
C
ommunications
S
ystem
(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
.
USER INTERFACE
The
ORION
operating controls are located on the radio's front panel (See
Figures 1 & 2). A keypad, vacuum florescent display for radio status
information and a microphone jack are on the front panel. The front panel
also provides a rotary
SYSTEM/GROUP/CHANNEL
knob,
POWER
ON-OFF/VOLUME
control, a ramp up/ramp down control, Scan
add/delete control, and a SCAN ON-OFF control for scan operation.
The keypad is used for manual number entry for individual calls, access to a
telephone interconnect system and activation of various EDACS or
conventional features such as menu selection. Each key has an associated
LED for status indication.
The display has two lines with eight alphanumeric-characters used to show
the operational mode of the radio. There is one LED for indicating
transmitter
ON
and one LED to indicate
CHANNEL BUSY
located below
the
POWER ON-OFF/VOLUME
Control
.
