Chapter 1 Introduction; Manual Contents; Notations Used In This Manual - Motorola Astro XTS 4000 Service Manual

Chapter 1 Introduction

This manual contains information needed for Levels One and Two radio servicing. Level One
servicing consists of radio programming, radio alignment, and installation and removal of the
antenna and battery. Level Two servicing covers disassembly and reassembly of the radio to replace
circuit boards.
1.1

Manual Contents

Included in this manual are radio specifications for the VHF (136–174 MHz) and
UHF (380–470 MHz) frequency bands, a general description of XTS 4000 model, recommended test
equipment, service aids, radio alignment procedures, general maintenance recommendations,
procedures for assembly and disassembly, and exploded views and parts lists.
1.2

Notations Used in This Manual

Throughout the text in this publication, you will notice the use of note, caution, warning, and danger
notations. These notations are used to emphasize that safety hazards exist, and due care must be
taken and observed.
NOTE: An operational procedure, practice, or condition that is essential to emphasize.
CAUTION indicates a potentially hazardous situation which, if
not avoided, might result in equipment damage.
WARNING indicates a potentially hazardous situation
which, if not avoided, could result in death or injury.
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in death or
injury.