User Manual
Table Of Contents
- Foreword
- Table of Contents
- Computer Software Copyrights
- Portable Radio Model Numbering System
- SPECIFICATIONS FOR 800MHz RADIOS
- GLOSSARY
- Section 1: Introduction
- Section 2: Basic Maintenance
- Section 3: Recommended Test Equipment and Service Aids
- Section 4: Performance Checks
- Section 5: Radio Alignment Procedures
- Section 6: Basic Removal/Installation Procedures
- Section 7: Basic Theory of Operation
- Section 8: Radio-Level Troubleshooting
- Replacement Parts Ordering
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also required for fun ction ality. It is program m ed usin g parallel
program m in g from th e m icrocon trol un it an d th e DSP-support IC.
Th e DSP-support IC perform s an alog-to-digital an d digital-to-an alog
con version s on audio sign als. It con tain s atten uators for volum e,
squelch , deviation , an d com pen sation , an d it executes receiver
filterin g an d discrim in ation . Th e IC requires a 2.4MHz clock to
fun ction (gen erated by th e digital back-en d IC) an d is program m ed by
th e m icrocon trol unit SPI bus.