Motorola dtr series dtr550 User Manual

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Chapter 1 Introduction
Thank you for purchasing a Motorola‚ DTR Series
® 
radio. Your radio is a product of Motorola’s 75 
plus years of experience as a world leader in the designing and manufacturing of communications 
equipment. The DTR Series radios provide cost-effective communications for businesses such as 
retail stores, restaurants, schools, construction sites, manufacturing, property and hotel 
management, and more. Motorola professional two-way radios are the perfect communications 
solution for all of today’s fast-paced industries.
Please read this manual carefully to ensure you know how to properly operate the radio before use.
This User’s Guide covers operation and maintenance of your DTR Series radio. 
Notations Used in This Manual
Throughout the text in this publication, you will notice the use of WARNINGS, Cautions, and Notes. 
These notations are used to emphasize that safety hazards exist, and the care that must be taken or 
observed.
WARNING:
An operational procedure, practice, or condition, etc., which may result in
injury or death if not carefully observed.
CAUTION:
An operational procedure, practice, or condition, etc., which may result in damage to
the equipment if not carefully observed. 
NOTE: An operational procedure, practice, or condition, etc., which is essential to emphasize.
The following special notations identify certain items:
Example
Description
Volume Control
Button names are shown in bold print.
Radio keys and buttons are shown as they appear on 
the radio.
Contcs
Text appearing on the display is shown in bold print.