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Pub. 988-0161-011
www.lowrance.com
Radar Operation
Instruction Manual
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Copyright © 2006 Lowrance Electronics, Inc. All rights reserved. No part of this manual may be copied, reproduced, republished, trans- mitted or distributed for any purpose, without prior written consent of Lowrance Electronics. Any unauthorized commercial distribution of this manual is strictly prohibited. Lowrance is a registered trademark of Lowrance Electronics, Inc. NMEA 2000 is a registered trademark of the National Marine Elec- tronics Association. Lowrance Electronics may find it ne
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Table of Contents Warnings and Cautions.......................................................... iii Section 1: Introduction............................................................. 1 Models Covered ............................................................................. 1 Update Display Unit Software ..................................................... 2 What is radar? ............................................................................... 2 Basic Radar Display Components....
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Browse data files: ................................................................ 24 Copy data files: .................................................................... 25 Delete a data file:................................................................. 26 Stop or play a data file: ....................................................... 26 Rename a data file:.............................................................. 26 Radar Setup ......................................................
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Warnings and Cautions Caution: Use this radar at your own risk. This radar was designed for use as a navigation aid. It should not be used for purposes that require precise measurements of direction, distance, topography or location. Always compare the navigation information received from your radar with data from other navigation aids and sources. When a conflict arises between the navigation data from your radar and data from other navigation aids, make sure you resolve the conflict before pro
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WARNING: Microwave Radiation Hazard The microwave energy radiated by a radar antenna is harmful to humans, especially to the eyes. NEVER look directly into an open waveguide or into the path of ra- diation from an enclosed antenna. Radar and other ra- dio frequency radiation can upset cardiac pacemakers. If someone with a cardiac pacemaker suspects abnormal operation, immediately turn off the radar equipment and move the person away from the antenna. Turn off the radar whenever it is necessary t
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Section 1: Introduction Thank you for buying a Lowrance Radar with the RIM 100 radar inter- face module. Your radar consists of three main components: the radar scanner unit (antenna), your display unit (sold separately) and the RIM 100 radar interface module which connects the scanner and display units. WARNING: Radar radiation can be harmful to you and bystanders. Radar misuse or misunderstanding radar operation could lead to a collision, which could result in property damage, personal injury
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This manual covers the following radar units: LRA-1000, LRA-1500, LRA-2000 radomes; and LRA-4000, LRA-5000 open array radars. Update Display Unit Software Your display unit must have software version 1.3.0 or later to work with radar. Depending on when you bought your display, it may require a software update. To avoid delays in setting up your radar system, your radar package includes an MMC or SD memory card with a basic software upgrade. Lowrance continues to regularly develop display enhance
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When the echo returns, it is processed by a computer to determine rela- tive distance, position and bearing of the object that reflected the sig- nal. This information is displayed on the display unit's screen. Other boats or ships, navigational markers, landmasses and the like are re- ferred to as targets. By knowing how long it takes for a signal to return, the distance to a tar- get can be determined. As the radar antenna scans through a 360 degree rotation, it can show where the target is re
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Basic Radar Display Components Range Ring Gain level Range Anti-Sea Interval Interference Display Clutter Rejection mode status Anti-Rain Clutter Echo Trail Radar Echo status PPI Position Expansion status status Electronic Bearing Lines Variable Range Markers Your unit has three electronic bearing lines and three variable range markers. An enlarged example of EBLs and VRMs is on the next page. Variable Range Marker position Electronic Bearing Line position for VRMs 1, 2 and 3. Highlighted for
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Basic Radar Display Components PPI (radar screen's 360º Heading line (in green) overhead view of the area) EBL2 EBL3 EBL1 VRM1 VRM2 VRM3 Bearings, in degrees (in Heading Up mode, relative to bow) VRMs and EBLs allow you to track the distance and bearing of multiple radar targets. NOTE: This manual is printed in black and white, but a free color version (in Acrobat PDF format) is available for display or download from the Lowrance web site. The color manual is particularly useful for understand
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Notes 6
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Section 2: Radar Setup This section will teach you how to prepare your radar for operation. Be- fore you begin radar setup, the radar scanning unit, RIM 100 module and display unit must all be installed and their cables connected. The display unit must be running software version 1.3.0 or later. WARNING: Do NOT attempt to execute Radar Setup, while the ves- sel is moving. Some motion from wind and wave action is acceptable, but these setup instructions are NOT in- tended for vessels moving acros
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Radar only highlighted on Radar Pages menu (left). Radar menu with Radar Power selected (right). 6. Press MENU, then use ↑ ↓ to select RADAR POWER from the radar menu and press ENT. A confirmation message will appear. Press ← to select YES and press ENT. A warm-up countdown will commence that will vary depending on the model of radar you have. 7. After the countdown is finished, the unit will enter STANDBY mode. 8. Access the Radar Setup menu to make sure your radar display is set to Heading U
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Radar Setup The Radar Setup menu allows you to setup and adjust radar settings, like Transmit Off Zone and Antenna Park. Most of the settings in the Radar Setup menu will only have to be set once, but we recommend you check the settings periodically for general maintenance. NOTE: Before starting radar setup, take your vessel out on open water with fairly calm seas, like an open bay. The three setup features we want to modify are Adjust Trigger Delay, Adjust Main Bang Suppression and Adjust Headi
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Anti-Rain Clutter 1. To set Anti-Rain Clutter to zero, press MENU, select ANTI-RAIN CLUTTER (FTC) and press ENT. 2. That will launch the Anti-Rain Clutter vertical scrollbar. Press ↓ un- til the Anti-Rain Clutter is set to zero percent. Press EXIT. (Notice the corresponding value in the upper right-hand corner of the screen.) Main Bang Suppression 1. To set Main Bang Suppression to zero, press MENU, select RADAR SETUP and press ENT. 2. Press →| ↓ to ADJUST MAIN BANG SUPPRESSION and press ENT. Th
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The 2 kW models, the LRA-1000 and LRA-1500, will have only one ring on the display. The 4 kW radars — LRA-2000, LRA-4000 and LRA-5000 — will have two rings on the display. See the following figures. Before adjusting the Trigger Delay for 4 kW radars, two rings will be shown on the screen (left). As Trigger Delay is increased, the larger ring will start to get smaller. The small ring will disappear (right). You may have to increase gain in the previous step if the rings are not visible. Increas
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If you over apply the Trigger Delay, the black circle will disappear. De- crease the Trigger Delay level and it will reappear. 3. Press EXIT to return to the main page display. Adjust Main Bang Suppression Main Bang Suppression is only for 4kW units — LRA 2000, LRA 4000 and LRA 5000. This feature filters out electronic noise close to your vessel. It gives you control of radar sensitivity in the area surrounding your ves- sel, approximately 180 feet in all directions. Before making any adjustment
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Main Bang Suppression begins with the same red ring we resized dur- ing Trigger Delay setup (left). Slowly increase Main Bang Suppression to make the ring as thin as possible (enlarged view, right). 5. Press EXIT to clear the scrollbar from the screen. Now reset Gain, Anti-Sea Clutter and Anti-Rain Clutter back to a desired level. Adjust Heading Line The Heading Line command is used to make sure the green heading line (zero point) on your display is lined up with the bow of your vessel. (Be
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3. Use ← → to adjust the position of the green heading line, so its line to the reference point's radar image matches your bow's actual line to the reference point. 4. Press EXIT to remove the heading line arrows from the display. Adjust Transmit Off Zone The Transmit Off Zone is a feature that allows you to select an area in the radar's 360 ° transmission path where the radar beam will not be transmitted. WARNING: ALL targets inside the Transmit Off Zone will NOT be displayed on the screen. Thi
