Ramp Test Set
NAV-402AP-3
Operation Manual
1002-0906-200
Issue-3
OPERATION MANUAL
RAMP TEST SET
NAV-402AP-3
PUBLISHED BY
Aeroflex
COPYRIGHT ♥ Aeroflex 2004
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise without the prior permission of the publisher.
Original Printing |
Jul 2000 |
Issue-2 |
Oct 2001 |
Issue-3 |
Sep 2004 |
10200 West York / Wichita, Kansas 67215 U.S.A. / (316) 522-4981 / FAX (316) 524-2623
OPERATION MANUAL
NAV-402AP-3
Nomenclature Statement:
In this manual Test Set or Unit refers to the NAV-402AP-3 Marker, G/S, VOR, COMM and Auto Pilot Ramp and Bench Test Set.
Cable Statement:
For continued EMC compliance, all external cables must be 3 meters or less in length.
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NAV-402AP-3
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OPERATION MANUAL
NAV-402AP-3
SAFETY FIRST: TO ALL OPERATIONS PERSONNEL
REFER ALL SERVICING OF UNIT TO QUALIFIED TECHNICAL PERSONNEL. this unit contains no operator serviceable parts.
WARNING: USING THIS EQUIPMENT IN A MANNER NOT SPECIFIED BY THE ACCOMPANYING DOCUMENTATION MAY IMPAIR THE SAFETY PROTECTION PROVIDED BY THE EQUIPMENT.
CASE, COVER OR PANEL REMOVAL
Removing the Chassis Assembly from the Case Assembly exposes the operator to electrical hazards that can result in electrical shock or equipment damage. Do not operate this Test Set with the Chassis Assembly removed from the Case Assembly .
SAFETY IDENTIFICATION IN TECHNICAL MANUAL
This manual uses the following terms to draw attention to possible safety hazards, that may exist when operating this equipment .
CAUTION: THIS TERM IDENTIFIES CONDITIONS OR ACTIVITIES THAT, IF IGNORED, CAN RESULT IN EQUIPMENT OR PROPERTY DAMAGE (E . G. , FIRE).
WARNING: THIS TERM IDENTIFIES CONDITIONS OR ACTIVITIES THAT, IF IGNORED, CAN RESULT IN PERSONAL INJURY OR DEATH.
SAFETY SYMBOLS IN MANUALS AND ON UNITS
CAUTION: THIS SYMBOL REFERS TO SPECIFIC CAUTIONS REPRESENTED ON THE UNIT AND CLARIFIED IN THE TEXT.
AC OR DC TERMINAL: TERMINAL THAT MAY SUPPLY OR BE SUPPLIED WITH AC OR DC VOLTAGE .
DC TERMINAL: TERMINAL THAT MAY SUPPLY OR BE SUPPLIED WITH DC VOLTAGE .
AC TERMINAL: TERMINAL THAT MAY SUPPLY OR BE SUPPLIED WITH AC OR
ALTERNATING VOLTAGE .
SWITCH ON/OFF (PUSH-PUSH): POWER TO THE DEVICE IS CONNECTED ON OR DISCONNECTED OFF.
EQUIPMENT GROUNDING PRECAUTION
Improper grounding of equipment can result in electrical shock .
USE OF PROBES
Check specifications for the maximum voltage, current and power ratings of any connector on the Test Set before connecting it with a probe from a terminal device. Be sure the terminal device performs within these specifications before using it for measurement, to prevent electrical shock or damage to the equipment .
POWER CORDS
Power cords must not be frayed, broken nor expose bare wiring when operating this equipment .
USE RECOMMENDED FUSES ONLY
Use only fuses specifically recommended for the equipment at the specified current and voltage ratings .
INTERNAL BATTERY
This unit contains a Sealed-Lead Battery, serviceable only by a qualified technician.
CAUTION: SIGNAL GENERATORS CAN BE A SOURCE OF ELECTROMAGNETIC INTERFERENCE (EMI) TO COMMUNICATION RECEIVERS . SOME TRANSMITTED SIGNALS CAN CAUSE DISRUPTION AND INTERFERENCE TO COMMUNICATION SERVICES OUT TO A DISTANCE OF SEVERAL MILES . USERS OF THIS EQUIPMENT SHOULD SCRUTINIZE ANY OPERATION THAT RESULTS IN RADIATION OF A SIGNAL (DIRECTLY OR INDIRECTLY) AND SHOULD TAKE NECESSARY PRECAUTIONS TO AVOID POTENTIAL COMMUNICATION INTERFERENCE PROBLEMS .
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TABLE OF CONTENTS
Title |
Chapter/Section |
Title / Copyright Page
Statements
Safety Page
List of Effective Pages
Table of Contents
Introduction
Chapter 1 |
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Section 1 - Description |
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Section 2 - Operation |
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Section 3 |
- Specifications |
1-3 |
Section 4 |
- Shipping |
1-4 |
Section 5 |
- Storage |
1-5 |
Appendix A - Table of I/O Connectors
Appendix B - Metric/British Imperial Conversion Table with Nautical Distance Conversions Appendix C - Abbreviations
Index
TABLE OF CONTENTS
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OPERATION MANUAL
NAV-402AP-3
INTRODUCTION - NAV-402AP-3 TEST SET
This manual contains NAV-402AP-3 operating instructions for Marker, G/S, VOR, LOC, COMM and Auto Pilot systems. It is strongly recommended that personnel be thoroughly familiar with the contents of this manual before attempting to operate this equipment.
Refer all servicing of unit to qualified technical personnel.
ORGANIZATION
This manual is divided into the following Chapters and Sections:
CHAPTER 1 - OPERATION
Section 1 - DESCRIPTION (description of the NAV-402AP-3
Section 2 - OPERATION (installation; controls, connectors and indicators; and general operating procedures)
Section 3 - SPECIFICATIONS
Section 4 - SHIPPING
Section 5 - STORAGE
INTRODUCTION
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CHAPTER ONE |
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NAV-402AP-3 TEST SET |
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SECTION 1 – DESCRIPTION |
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1. General Description and Capabilities |
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Functional Capabilities |
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SECTION 2 – OPERATION |
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General |
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Battery Operation |
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Battery Charging |
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Safety Precautions |
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Complying with Instructions |
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Grounding Power Cord |
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Operating Safety |
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1.4.4 CAUTION and WARNING Labels |
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AC Power Requirements |
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FCC Requirements |
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Battery Recharging |
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Bench Operation |
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External Cleaning |
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2. Controls, Connectors And Indicators |
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Front Panel |
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Rear Panel |
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3. General Operating Procedures |
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General |
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Signals Simulated |
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Operation CAUTIONS |
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Ramp Operation |
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Bench Operation |
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Counter Operation |
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Battery Parameters |
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Operate LOC and G/S Simultaneously |
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Marker Operation (Typical Control Settings) |
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VOR Operation (Typical Control Settings) |
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Localizer Operation (Typical Control Settings) |
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Glide Slope Operation (Typical Control Settings) |
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Communication Operation (Receiver Tests) |
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(Typical Control Settings) |
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Communication Operation (Transmitter Tests) |
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(Typical Control Settings) |
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TABLE OF CONTENTS
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1. NAV-402AP-3 Specifications |
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RF Output |
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Marker Mode |
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VOR Mode |
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LOC Mode |
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G/S Mode |
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COM Mode |
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External Frequency Counter |
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Power Meter |
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Battery Level Monitor |
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Bearing Monitor |
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Battery |
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AC Power |
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Environmental |
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SECTION 4 – SHIPPING |
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1. Shipping Test Sets |
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Information |
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Repacking Procedure |
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SECTION 5 – STORAGE |
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1. Storing Test Sets |
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TABLE OF CONTENTS
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Title |
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Battery Recharging |
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NAV-402AP-3 Front and Rear Panels |
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Repacking Procedure |
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LIST OF TABLES
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Specified Fuse Ratings |
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Correspondence Chart for Decibels, Volts and Watts |
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Correspondence Chart for 90 |
Hz and 150 |
Hz Tones (LOC) |
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Correspondence Chart for 90 |
Hz and 150 |
Hz Tones (G/S) |
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VOR Bearing Select Switches |
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90 Hz and 150 Hz Tones Variable Phase Relationships |
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LIST OF ILLUSTRATIONS/TABLES
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OPERATION MANUAL
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SECTION 1 - DESCRIPTION
1. GENERAL DESCRIPTION AND CAPABILITIES
1.1 DESCRIPTION
The NAV-402AP-3 is a Bench and Ramp Test Set designed to meet the electronic functional test requirements of Category I and Category II ILS Systems, Communication (COMM), Navigation (NAV) and Marker (MKR) Systems.
The NAV-402AP-3 contains features to allow testing of sophisticated autopilot systems. These features include: automatic LOC DDM, automatic sweep, two fixed VOR frequencies; and two fixed, paired LOC and G/S frequencies.
1.2 FUNCTIONAL CAPABILITIES
The NAV-402AP-3 has the following features and capabilities:
OSignal Generator with a variable attenuator which can be connected to the equipment under test by a radiated signal from a self-contained antenna or by a coaxial cable. The signal generator can be operated under either fixed frequency control or in variable frequency mode in each band.
OThe generator can be modulated internally by a 1020 Hz Ident Tone, Marker, VHF Omnidirectional Range (VOR), Localizer (LOC) or Glide Slope (G/S) Tones.
OA six-digit counter which indicates the RF of the signal generator on any band, the frequency of a COM Transmitter under test, any external signal input from 1 MHz to at least 300 MHz, or the VOR Bearing selected by the Bearing Select Switches.
OA built-in RF power meter measures COM Transmitter power, from 0-10W or
0-100W, either peak or average power by selecting a switch position located on the Front Panel. A COM Transmitter demodulation output permits viewing or listening to COM modulation.
OA built-in modulation meter measures Signal Generator Percent of Modulation on any frequency band from 0-30% or
0-100%. Front Panel controls permit quick setting of modulation percentages.
90° bearing check monitor allows quick verification of basic VOR bearing from the VOR demod signal. NICAD battery and built-in charging system permit completely portable operation for up to 2 hours continuous duty. Any time the Test Set is plugged to an ac line, the battery is being charged. In battery operation, an automatic timer turns the Test Set off after 6 to 10 minutes. The Test Set can be recycled by pressing the PWR/BAT Switch to the BAT position.
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OPERATION MANUAL
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SECTION 2 - OPERATION
1. INSTALLATION
1.1 GENERAL
The Test Set is powered by an internal battery. The Test Set contains a battery charging circuit which enables the operator to recharge the battery when connected to ac power.
NOTE: The Test Set can operate continuously on ac power for servicing and/or bench tests.
Refer to 1-2-2, Figure 2 for location of controls, connectors or indicators.
1.2 BATTERY OPERATION
The internal battery (NICAD) is equipped to power the Test Set for two hours of continuous use, after which time, the Test Set battery needs recharging.
The 0 to 30% scale displays battery voltage. Normal battery charged condition is indicated as 15 V or greater. Less than 12.5 V indicates a discharged battery. An automatic low voltage cutoff circuit turns the Test Set OFF when the battery voltage drops under 12.5 V.
The Test Set contains an automatic time-out to conserve power. An automatic timer turns the Test Set OFF after 6 to10 minutes (only when using battery power). The Test Set can be recycled by pressing the PWR/BAT Switch to the BAT position.
1.3 BATTERY CHARGING
The battery charger operates whenever ac power is applied to the Test Set. The battery should be charged every three months (minimum).
NOTE: Overnight charging is recommended.
1.4 SAFETY PRECAUTIONS
The following safety precautions must be observed during installation and operation. Aeroflex assumes no liability for failure to comply with any safety precaution outlined in this manual.
1.4.1 Complying with Instructions
Installation/operating personnel should attempt to install or operate the Test Set only after reading and complying with instructions contained in this manual. All procedures contained in this manual must be performed in exact sequence and manner described.
1.4.2 Grounding Power Cord
WARNING: USE OF A THREE-PRONG TO TWO-PRONG ADAPTER PLUG CREATES A SHOCK HAZARD BETWEEN THE CHASSIS AND ELECTRICAL GROUND.
For ac operation, the power cord, equipped with standard three-prong plug, must be connected to a properly grounded three-prong receptacle.
It is the customer’s responsibility to:
OHave a qualified electrician check receptacle(s) for proper grounding.
OReplace any standard two-prong receptacle(s) with properly grounded threeprong receptacle(s).
1.4.3 Operating Safety
Due to potential for electrical shock within test equipment, the Chassis Assembly must remain installed in the Case Assembly. Battery replacement must only be performed by qualified service technicians.
1.4.4 CAUTION and WARNING Labels
Exercise extreme care when performing operations preceded by a CAUTION or WARNING label. CAUTION labels appear where possibility of damage to equipment exists. WARNING labels denote conditions where bodily injury or death may result.
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