Lowrance LRA-4000 Manuals

Manuals and User Guides for Lowrance LRA-4000. We have 1 Lowrance LRA-4000 manual available for free PDF download: Instruction Manual

Lowrance LRA-4000 Instruction Manual

Lowrance LRA-4000 Instruction Manual (68 pages)

Brand: Lowrance | Category: Marine Radar | Size: 2.11 MB

Table of Contents

Radar Operation
1
Table of Contents
3
Warnings and Cautions

5
Section 1: Introduction

7
Section 2: Radar Setup

13
- Getting Started
  13
- Auto Power-On
  15
  - Turning On/Off Auto Power-On
    15
- Radar Setup
  15
  - Trigger Delay Preparation
    16
    
    Range
    16
    
    Gain
    16
    
    Anti-Sea Clutter
    16
    
    Anti-Rain Clutter
    16
    
    Main Bang Suppression
    17
    
    Trigger Delay
    17
  - Adjust Trigger Delay
    17
  - Adjust Main Bang Suppression
    19
  - Adjust Heading Line
    20
  - Adjust Transmit off Zone
    21
  - Adjust Tune
    22
Section 3: Basic Operation

23
- Radar Only
  24
- Digital Data
  24
- Radar with Map
  24
- Radar with Sonar
  24
- Radar with Gauges
  24
- Radar, Map and Sonar
  25
- Radar Menu
  26
- Gain
  26
  - Anti-Sea Clutter (STC)
    27
  - Anti-Rain Clutter (FTC)
    27
  - Interference Rejection
    28
  - Radar Range
    28
  - Radar Echo Expansion
    29
  - Echo Trail Interval
    29
  - Clear Radar Trails
    30
  - Adjust Radar PPI Offset
    30
  - Recenter Radar PPI
    30
  - Log Radar Data
    31
  - Radar Setup
    35
  - Radar Orientation
    35
  - Radar Color Scheme
    35
  - Adjust Antenna Park
    35
  - Radar Information
    37
  - Radar Power
    37
  - Turns the Radar on and off
    37
  - Radar Simulator
    37
- Radar Overlay
  38
  - Radar Options Menu
    39
  - Overlay Options Menu
    40
Section 4: Advanced Operation

43
- Reading the Display
  43
  - Gain
    43
  - Range Rings
    43
  - Anti-Sea Clutter (STC)
    44
  - Anti-Rain Clutter (FTC)
    44
  - Electronic Bearing Line (EBL)
    44
  - Variable Range Markers
    44
  - Radar Cursor
    44
Section 5: Radar Interpretation

49
- Anti-Rain Clutter (FTC or Fast Time Constant)
  49
- Echo Trails
  52
- Typical Small Boat Targets
  54
- Shoreline Images
  56
- Recommended Reading
  58
Appendix I: Glossary

59
FCC Compliance

64

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