Technical Manual

APPLIED TECHNOLOGY SOLUTIONS, INC.
Document: FCC1225manual.wpd issued: jan99 revised: July 27, 1999 page: iii
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