Harris APEX - User Manual

T.M. No. 888-2604-001
© Copyright Harris Corporation 2007
All rights reserved
Printed: January 25, 2007
Revision A, 03/08/07
TECHNICAL MANUAL
APEX
TM
Exciter
Incorporating FLO
TM
Technology
888-2604-001

Harris APEX Specifications

General

Brand	Harris
Model	APEX
Category	Transmitter
Language	English

Summary

Introduction

Organization of Technical Manual

Describes the structure and sections of the technical manual, including its overall organization.

General Description

Provides an overview of the APEX exciter, its technology, and its applications.

Physical Description

Details the exciter's physical dimensions, chassis layout, and component placement.

Technical Overview

Explains the exciter's technical functionality, signal processing, and correction capabilities.

Specifications

Lists the key technical specifications and parameters for the APEX exciter.

Installation

Introduction to Installation

Introduces the basic steps and considerations for installing the APEX exciter.

Installing Exciters Removed for Shipment

Provides instructions for reinstalling an exciter that has been previously removed.

Signal Connections

Details the input and output signal connections required for exciter operation.

AC Power

Describes the AC power connection, input voltage ranges, and power switch.

Installation of the GPS 1 PPS Signal

Explains the connection and importance of the GPS 1PPS signal for system timing.

Retrofitting Into Existing Transmitter System

Discusses considerations for installing the exciter into existing transmitter systems.

Feedback Requirements

Outlines the necessary RF feedback signals for exciter operation and pre-correction.

Typical Transmitter Systems Block Diagrams

Shows block diagrams illustrating typical RF line-ups for transmitter installations.

Atlas Mobile Transmitters

Details configurations and connections for Atlas Mobile transmitters with APEX exciters.

Configuring the Exciter

Guides the user through configuring the exciter via its LCD touch screens.

Normal Settings for Diagnostic Screens

Lists the normal settings for critical diagnostic functions and the exciter mute.

Materials Needed

Lists the materials and components required for field installations of the exciter.

Navigating the LCD Display Screens

Basic Operating Procedure

Covers raising/lowering output power and locating exciter faults.

Starting Point: The Main LCD Touch Screen

Details the main screen of the exciter's interface and its operational areas.

LCD Display Flow Chart

Provides flow charts for navigating the exciter's various LCD display screens.

Details of the Exciter Status Screens

Explains the exciter status screens and provides details on circuit board statuses.

Built In Tests

Describes how to perform built-in tests on the exciter's various components.

Details of the System Setup Screens

Explains the system setup screens for configuring exciter parameters.

RTAC Operating Procedures, Main Screen

Summarizes RTAC correction operations and procedures accessible from the main screen.

Theory of Operation

General Description

Explains the exciter's role in the transmitter and its general functional capabilities.

Transmitter Systems Block Diagram

Shows a block diagram illustrating a transmitter's integration with an APEX exciter.

APEX Exciter Digital Assembly Overview

Provides an overview of the exciter's digital assembly, including its circuit boards.

APEX Exciter Analog Assembly Overview

Overviews the subassemblies and functions within the exciter's analog section.

DC Power Distribution

Details the DC power distribution pathways and voltages within the APEX exciter.

Maintenance and Troubleshooting

Exciter Maintenance

Covers general maintenance procedures, including accessing boards and cleaning.

Loading Software

Provides instructions for loading or updating the APEX exciter software.

Default Settings For Diagnostics Screens

Lists the default settings for various diagnostic screens for quick reference.

Typical Settings for the More Critical Exciter Setups

Highlights critical exciter setup configurations that impact performance.

Exciter Troubleshooting Flow Charts

Offers flow charts to guide troubleshooting of common exciter problems.

General Troubleshooting

Provides general guidance and tips for troubleshooting the APEX exciter.

System Troubleshooting

Addresses faults potentially caused by conditions outside the exciter unit.

Exciter Troubleshooting

Details specific troubleshooting steps for various exciter issues.

Parts List

EXCITER, APEX FLO QUALCOMM, UHF - 992 9943 101 (K)

Lists part numbers, descriptions, quantities, and reference designators for the APEX exciter.

Appendix A: Exciter GUI Screen Captures

Exciter GUI Screen Captures

Describes the procedure for performing screen captures from the APEX FLO exciter GUI.