User's Manual
Table Of Contents
- Front Cover
- Contents
- 1 - Foreword 11
- 2 - Safety and General Information 21
- 3 - Introduction 31
- 4 - System Applications 41
- 5 - Models and Specifications 51
- 6 - Approved Accessories 61
- 7 - Setup and Connections 71
- 8 - Operation 81
- 9 - Troubleshooting 91
- Introduction 91
- Recommended Test Equipment 91
- Troubleshooting Procedures 91
- Module Replacement Procedures 925
- General Replacement Information 925
- Anti-Static Precaution 925
- Care of Gold-Plated Connector Contacts 926
- Power Down Station Before Removing/Inserting Modules 926
- Validating Repairs 926
- Module Replacement 926
- Wireline 928
- ASTRO Modem Card/V.24 Interface Card 929
- Receiver 929
- Exciter 931
- Power Amplifier 932
- Power Supply 933
- Backplane 934
- Preselector Field Tuning Procedure 935
- 10 - Functional Theory of Operation 101
- 11 - Block Diagram, Schematics, Electrical Parts List, and Circuit Board Detail 111
- List of Tables
- List of Figures
- Parts Lists
- Foreword
- Safety and General Information
- Introduction
- System Applications
- Models and Specifications
- Approved Accessories
- Setup and Connections
- Operation
- Troubleshooting
- Introduction
- Recommended Test Equipment
- Troubleshooting Procedures
- Module Replacement Procedures
- Preselector Field Tuning Procedure
- Functional Theory of Operation
- Schematics
- Back Cover
68P81093C75-O December 1, 2000 8-1
Operation 8
Description This section describes the switches, pushbuttons, connectors, and
LED indicators on the PDR 3500 used during local operation of the
station and servicing.
Summary of Switches,
Pushbuttons, and
Connectors
The following switches, pushbuttons, and connectors allow the
station to be operated or serviced locally. See Figure 2 for the
location and function of these controls and connectors.
Summary of LED
Indicators
NOTE: Refer to the Troubleshooting section of this manual
for the detailed descriptions and interpretation of the
LED indicators.
The following LED indicators are provided to show the operating
status of the station. See Figure 2 for the location of these indicators.
Table 5 Switches, Pushbuttons, and Connectors
Top Panel
Wireline connectors Transmit UHF connector
RSS port connector Receive UHF connector
DC connector
AC connector
Momentary PTT/Reset switch
Table 6 Summary of LED Indicators
Top Panel Station Control Module
Power/Transmit LED Station On
Station Fail
Intcm/Acc D
Control Ch
Rx 1 Active
Rx2 Active
Rx Fail
Aux LED