User's Manual Part 1

Table Of Contents
14
English
INTRODUCTION
by making repeaters available to all users after
every transmission.
CONVENTIONAL RADIO SYSTEMS
Conventional radio systems typically refers to
unit-to-unit communications through a single
channel. Conventional systems also allow
radio users to extend communication coverage
by relaying their messages through a repeater.
To ensure coordinated use by multiple
talkgroups, each radio user must monitor the
channel or repeater before transmitting to
verify that the system is not currently busy.
CDM1550•LS
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RADIO FEATURES
CDM1550•LS
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Radio Feature Highlights:
Radio Wide Features
14-Character Alphanumeric Display
4 Programmable Feature Buttons
Up to 15 PassPort and/or LTR Zones with
up to 16 Talkgroups per Zone
Up to 16 Conventional Channels
X-Pand Audio Enhancement Selectable by
Conventional Channel, LTR Repeater or
PassPort Talkgroup
Home Channel
Telephone Interconnect
User-programmable Phone and Scan Lists
Voice Storage Capability
PassPort Zone Features
Unique Mobile Identity Number per Radio
Unique Electronic Serial Number per
Radio
Registration/Deregistration upon power up/
power down
Automatic Seamless Roaming between
Networked Sites
Registered Site and Mobile Identity View
User Initiated Roam Request
PassPort Primary Group Auto Scan and
PassPort Scan
Note: Throughout this manual there are
features listed as trunked and con-
ventional. Trunked indicates the fea-
ture functions in both PassPort and
LTR zones unless otherwise noted.
Conventional indicates the feature
functions in Conventional zones
only.