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To submit comments regarding this manual, please contact:
Collins Aviation Services
Rockwell Collins, Inc.
400 Collins Rd NE
Cedar Rapids, IA 52498-0001
Attn: Technical Operations M/S 153-250
or send email to: techmanuals@rockwellcollins.com
1st Edition, 1st Revision
18 Sep 03 1-1
INTRODUCTION COLLINS
Safety Summary MultiScan™ Radar
SAFETY SUMMARY
WARNING
Weather Radar must never be used as a primary collision-avoidance
or ground proximity warning device. While the Weather Radar can
supply some terrain information, it remains fundamentally the pilot’s
responsibility to be alert to these dangerous situations and use all
information at his disposal to maintain maximum safety and comfort
for himself, his crew, his passengers, and his aircraft.
WARNING
This guide is for training purposes only. Individual operators may
set specific operating procedures which may not be the same as
those described in this guide. Refer to the appropriate airplane
flight manuals for information specific to your airplane.
LIST OF ACRONYMS AND ABBREVIATIONS
AGL Above Ground Level
ARINC Aeronautical Radio, Inc.
AUTO Automatic
BITE Built-In Test Equipment
CAL Calibrated
CFDS Centralized Fault Display Unit
CMC Central Maintenance Computer
dB Decibel (refer to the Glossary for further
explanation)
dBZ Radar Reflectivity Factor expressed in decibels:
dBZ =10logZ (refer to “Z” in the Glossary for
further explanation)
DN Down
EFIS Electronic Flight Instrument System
GC Ground Clutter
GCS Ground Clutter Suppression
HF High Frequency
IAS Indicated Airspeed
KHz Kilohertz
L/R Left/Right Receiver/Transmitter
MAN Manual
MAT Maintenance Access Computer
MAX Maximum
1st Edition, 1st Revision
1-2 18 Sep 03
COLLINS INTRODUCTION
MultiScan™ Radar List of Acronyms and Abbreviations
MCDU Multifunctional Control Display Unit
MF Medium Frequency
MHz Megahertz
MIN Minimum
m/s Meters per Second
MSL Mean Sea Level
MVD™ Magnitude Velocity Deviation
mW/cm2 Milliwatts per square Centimeter
NASA National Aeronautics and Space Administration
NM Nautical mile(s)
OEM Original Equipment Manufacturer
PAC Path Attenuation Compensation
PWS Predictive Windshear
RDR Radar
R/T Receiver/Transmitter
STBY Standby
STC Sensitivity Time Control
SW Switched
SYS System
TFR Transfer
TURB Turbulence
VAR Variable
VHF Very High Frequency
WX Weather
WX+T Weather Plus Turbulence
WXR Weather Radar System
Z Radar Reflectivity Factor (refer to the Glossary
for further explanation)
1st Edition, 1st Revision
18 Sep 03 1-3
INTRODUCTION COLLINS
MultiScan™ Radar
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1st Edition, 1st Revision
1-4 18 Sep 03
COLLINS OVERVIEW
MultiScan™ Radar Table of Contents
OVERVIEW
TABLE OF CONTENTS
Title Page
Introduction ....................................................................................... 2-1
System Description .......................................................................... 2-1
Key Operating Features ................................................................ 2-1
1st Edition, 1st Revision
18 Sep 03 i
OVERVIEW COLLINS
MultiScan™ Radar
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1st Edition, 1st Revision
ii 18 Sep 03
COLLINS OVERVIEW
MultiScan™ Radar Introduction
OVERVIEW
INTRODUCTION
The Rockwell Collins WXR-2100 MultiScan Radar is a revolutionary
approach to the way weather information is processed and refined.
MultiScan is a fully automatic radar that displays all significant weather
at all ranges, at all aircraft altitudes, and at all times without the need
for pilots to input tilt or gain settings, all with an essentially clutter free
display. When MultiScan is operated in automatic mode, every pilot
has the weather information that is currently available only to the most
experienced radar operator, thus standardizing and simplifying airline
pilot training requirements. MultiScan significantly reduces pilot work
load while at the same time enhancing weather detection capability
and passenger/crew safety.
The key to MultiScan Operation is the radar’s ability to look down, into
ground clutter, toward the bottom reflective portion of a thunderstorm,
and then eliminate the ground clutter with advanced digital signal
processing. MultiScan also combines multiple radar scans at
pre-selected tilt angles in order to detect short, mid, and long-range
　
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