User Guide
Table Of Contents
- Introduction
- Technical Summary
- List of Modules
- Operation
- Supply Voltage and Power Consumption
- Charging voltage limits within current specifications fulfilled
- Audio Specifications, electrical
- HFS-12 Audio Specifications, acoustic
- HFM-8 Audio Specifications, acoustic
- Audio signal levels
- Signals and Connections
- Block Diagram
- Parts list of ED2
- BACK TO MAIN TOC

PAMS
Technical Documentation
HFU–2 Handsfree Unit
Page 2
Original 11/97
CONTENTS
Introduction 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Summary 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Modules 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply Voltage and Power Consumption 4. . . . . . . . . . . . . . . .
Charging voltage limits within current specifications fulfilled 5
Audio Specifications, electrical 5. . . . . . . . . . . . . . . . . . . . . . . . .
HFS–12 Audio Specifications, acoustic 6. . . . . . . . . . . . . . . . . .
HFM–8 Audio Specifications, acoustic 6. . . . . . . . . . . . . . . . . . .
Audio signal levels 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signals and Connections 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Diagram 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exploded View of HFU–2 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts list of ED2 (EDMS Issue )
Code: 0200948 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .










