User's Manual

TABLE OF CONTENTS
SECTION TITLE PAGE
ONE INTRODUCTION 1
1.0 GENERAL 1
1.1 SPECIFICATIONS 1
1.2 CONTROLS, INDICATORS, USER I/O 3
TWO OPERATION 4
2.0 GENERAL 4
2.1 ATS 1200 SYSTEM COMPONENTS 4
2.2 MODEL 1225 OPERATION 4
2.2.1 Safety Considerations 4
2.3 EARPIECE/MICROPHONE ASSEMBLY 5
2.4 BATTERY 5
2.5 ANTENNA 5
2.6 PRIVACY CODES 5
THREE THEORY OF OPERATION 6
3.0 GENERAL 6
3.1 FUNCTIONAL DESCRIPTION 6
3.1.1 Audio/Digital Section 6
3.1.2 RF/IF Section 7
3.2 RF CHARACTERISTICS 8
FOUR MAINTENANCE 9
4.0 TROUBLESHOOTING 9
4.1 MAINTENANCE 9
4.2 REPAIRS 9