Garmin GMR 20 Radar Detector User Manual
Contents
1. VRM EBL The VRM Variable Range Marker and EBL Electronic Bearing Line tools measure range and bearing to a target The center point of the VRM can be moved allowing measurement from one target to another Two V E tools can be activated at the same time The VRM EBL Menu has two areas VRM EBL 1 and VRM EBL 2 Each area has two settings a setting to Show Hide the VRM EBL and Adjust To activate VRM EBL 1 or 2 Using the ARROW KEYPAD highlight Show VRM EBL 1 2 and press the ENTER key The diameter of the VRM and the angle of the EBL are adjustable To adjust the VRM EBL 1 Using the ARROW KEYPAD highlight Adjust and press the ENTER key Press the ARROW KEYPAD right left to rotate the Electronic Bearing Line around the center point of the VRM Press the ARROW KEYPAD up down to increase decrease the size of the Variable Range Marker Press the ENTER key to accept the changes Variable Range Marker Electronic Bearing Line To move the center location of the VRM 1 Using the ARROW KEYPAD highlight Move and press the ENTER key 2 Using the ARROW KEYPAD move the center point of the VRM to the desired location 3 Press the ENTER key to set the new location To use the VRM EBL expand the diameter of the VRM so that the outer edge touches the target Rotate the EBL until it intersects the VRM at the target location The measured range and bearing are displayed in the lower left corner of the scre2. GMR 20 40 Marine Radar Owner s Manual a ARMIN Copyright 2005 Garmin Ltd or its subsidiaries Garmin International Inc Garmin Europe Ltd Garmin Corporation 1200 East 151 Street Unit 5 The Quadrangle No 68 Jangshu 2 Road Olathe Kansas 66062 U S A Abbey Park Industrial Estate Shir Taipei County Taiwan Tel 913 397 8200 or 800 800 1020 Romsey SO51 9DL U K Tel 886 2 2642 9199 Fax 913 397 8282 Tel 44 0870 8501241 Fax 886 2 2642 9099 Fax 44 0870 8501251 All rights reserved Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without the express prior written consent of Garmin Garmin hereby grants permission to download a single copy of this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this document is subject to change without notice Garmin reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements Visit the Garmin Web site www garmin c
3. LAS ON eaa E EE E E AE OOT 8 f B17 21 Ex pans 6 0 ee nee Re are a A er Pe 8 WSL A none erent E E E nt mr ree enter E A T 9 CDA ZONE escent etl se notes et eae A 9 N RNE B Doerne ee ae ee ance nee eee er mare ere 10 MOR PAn neee act EN E Sete EA ll MARPA SOU cede catlocs Ae E E 12 Hide Show Navigation Features cccccccsssssessessesecseseseestseeees 13 Additional Adjustment Menu Items cccceceeseesceeseesetesesees 13 Mape unor ON Oesen a E mn abheoaeaten 14 SEU o a aA OE TOO T EA 14 The General Dea A 14 The DEDY Aare ea sea nla tedi ns hhc att eae 15 IS VAIR PAY Teria O O RENT 16 TheAdyanced Tiai iearn R oes 16 Enter Standby Begin Transmitting cccsccseseseeseeeeessteeeeeees 17 Map Page Radar Overlay c sssssssssssssssseseeeseeees 17 Append nnana AT 19 European License Requirements csccsecssssssseeseees 19 SPECHICAUONNS inganna eaies 20 FCC Complain Ce iccstvcsvivectsssiitinissitsiieavniatnieenieneinnianiits 21 Software License Agreement scscscscscsssssesecseeseesesees 22 LIMITED WARRANTY cccssssssseseseeseesessesessensenseeeees 22 Warning and Cautions c ccssssssssscsecsessessessecsessessesenees 24 GMR 20 40 OPERATION Radar Overview The Garmin GMR 20 40 Radar Scanner transmits a narrow beam of microwave energy in a rotating 360 pattern When the transmitted energy contacts a target some of that energy 1s reflected and returned to the scanner The sc
4. These terms can be used interchangeably e This manual uses the term chartplotter when referring to a Garmin GPSMAP 3000 series Multi Function Display e This manual uses the term Radar Page The Radar page is a dedicated page on the Garmin chartplotter showing radar information Radar information can be displayed as a split screen on any of the chartplotter main pages e This manual uses the term highlight when referring to the on screen cursor To highlight something use the Arrow Keypad on the chartplotter to move the cursor to the desired item The on screen cursor is represented by changing the color of the highlighted box to yellow TABLE OF CONTENTS WV OCU COIN cassettes teh ceca i ADOUC TRIS Manm al iisen e eenntueanse i Terminology used Throughout this Manual i GMR 20 40 Operation cccsecssessessessessenssensseeeseeeaes 1 Radar Overview ssssssssssssusnssnnnnnnnnnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenna 1 The Radar Pade miarana A 1 Radar Pase Layout nouni ee e leh cate E 3 RIRE RE usoen A 4 Headinio LiNE seorienne n ETEO 4 Digital Navigation Dalase eodein eA AE 4 The Radar Configuration Page ssscssssssssssesssesseees 5 The Radar Adjustment MenU ss ssssssssssssssssrrssurnsnnsnnrnsnnnnnnnsns 5 E i E E EA needa cea ae A AE N E E 6 SEA C E ee a apnek na euanate ease ata etaccetsarteaatans 6 Ra QT ihc Boerne mene EO erences rare RO I PEC Past Time OMS taint harasa EA 7
5. 8 Zoom level 8 Zoom Scale 3 For the latest free software updates excluding map data throughout the life of your Garmin products visit the Garmin Web site at www garmin com Copyright 2005 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151 Street Olathe Kansas 66062 U S A Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL U K Garmin Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan www garmin com Part Number 190 00457 00 Rev A
6. GMR 20 40 Owner s Manual APPENDIX European License Requirements Austria Luxembourg I Belgium G fheNetherlands 1 Poland SG aa Slovakia gt Finland a France poe erman EE OVeNId pain Veden rec Cms G a a a I Requires an individual license for operation Lael oa cme om G United Kingdom 1 Loe gt G EA G can be operated under a general license or license exemption This product may require licensing in your country of use Please refer to the national radio or telecommunications office or ministry EUROPEAN LICENSE REQUIREMENTS SPECIFICATIONS Specifications Unit Dimensions 28 710 mm D x 8 205 mm H Radar Scanner Weight Unit 26 lbs cable 8 35 Ibs Range Scales Range Rings GMR 40 1 8 nm 1 32 nm to 36 nm 9 nm GMR 20 1 8 nm 1 32 nm to 24 nm 6 nm Power Output GMR 20 2 kW GMR 40 4kW Power Input Source 10 35 v D C 28W Operating Temperature Range 25 C to 70 C and a relative humidity up to 95 at 35 C Beamwidth Horizontal beamwidth of 3 6 nominal Vertical beamwidth of 25 nominal Range GMR 20 24 nm GMR 40 36 nm Wind Velocity Wind speed up to 100 Kts Antenna RPMs 24 rpm Range Ring Accuracy meter Bearing Accuracy 1 Minimum Range 35 meters Range Discrimination 30 meters Sensitivity and Tune Controls Gain Sea Clutter Rain Clutter Frequency Tune Radar Chart Synchronizatio
7. Garmin Online auction confirmations are not accepted for warranty verification To obtain warranty service an original or copy of the sales receipt from the original retailer is required Garmin will not replace missing components from any package purchased through an online auction LiMiTED WARRANTY Note The GMR 20 40 does not contain any user serviceable parts Repairs should only be made by an authorized Garmin service center Unauthorized repairs or modifications could result in permanent damage to the equipment and void your warranty Garmin International Inc 1200 Ease 151st Street Olathe Kansas 66062 U S A Phone 913 397 8200 USA Only 800 800 1020 FAX 913 397 0836 Garmin Europe Ltd Unit 4 The Quadrangle Abbey Park Industrial Estate Romsey S051 9DL U K Phone 44 0870 8501241 FAX 44 0870 8501251 Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan Tel 886 2 2642 9199 Fax 886 2 2642 9099 WARNINGS AND CAUTIONS Warning and Cautions CAUTION Use the GMR 20 40 at your own risk To reduce the risk of unsafe operation carefully review and understand all aspects of this Owner s Manual and thoroughly practice operation using the simulator Mode prior to actual use When in actual use carefully compare indications from the GMR 20 40 to all available navigation sources including the information from other NAVAIDs visual sightings charts etc For safety always resolve any discrep
8. 9 F Fast Time Constant 7 FCC Compliance 21 Features 3 Front of Boat Offset 15 FTC 5 7 G Gain 5 6 General Tab 14 Guard Zone 5 9 H Heading Line 3 4 15 16 Heading Sensor 11 Hide Show Navigation Features 5 Highlight 1 L Limited Warranty 22 M Manually Adjust the Scanner 17 Map Cursor 13 Map Cursor On Off 14 Map Page Radar Overlay 17 MARPA 5 11 MARPA function 11 MARPA List 12 MARPA Setup 12 MARPA Setup Menu 12 MARPA Tab 16 MARPA target 11 Mini Automatic Radar Plotting Aid 11 N Navigation Features 5 13 15 16 O Orientation 14 Overlay 17 Overview 1 Own Vessel Safe Zone 13 R Radar Adjustment Menu 5 Radar Configuration 5 Radar Configuration Page 5 Radar Options 18 Radar Overlay 17 Radar Overview Radar Page 1 Radar Page Layout 3 Radar Warming Up 2 Rain Clutter 5 7 Range Rings 3 4 Rings 15 16 Ring Separation 3 S Safety feature 2 Safe Zone Ring 13 Sea Clutter 5 6 Setup 13 14 Signal Strength 17 Software License Agreement 22 Software update 1 Soft Key options 3 Specifications 20 Spinning Up 2 Standby Mode 2 Status Bar 2 3 T Target Expansion 5 8 Target History 13 Terminology i Timed Transmit 15 Timed Transmit STBY Time 15 Timed Transmit XMIT Time 15 Time To Safe Zone 13 Trails 5 9 V Variable Range Marker 10 Vector Length 13 Velocity Reference 13 VRM EBL 5 10 W Warming Up 2 Warning and Cautions 24 WARRANTY 22 Waypoints 16 Z Zoom 5
9. IES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY To obtain warranty service contact your local Garmin authorized dealer Or call Garmin Product Support at one of the numbers shown below for shipping instructions and an RMA tracking number The unit should be securely packed with the tracking number clearly written on the outside of the package The unit should then be sent freight charges prepaid to any Garmin warranty service station A copy of the original sales receipt is required as the proof of purchase for warranty repairs Products sold through online auctions are not eligible for rebates or other special offers from
10. Using the ARROW KEYPAD move the slider up or down 1 Press the ADJ key to display the Adjustment Menu 2 Press the ENTER key to accept the change 2 Using the ARROW KEYPAD or DATA ENTRY keys select To return the Gain setting to Auto move the slider to the Auto an option If using the ARROW KEYPAD to highlight an position or press the Auto Soft Key option press the ENTER key to display the adjustment for that selection Sea Clutter 3 Using the ARROW KEYPAD make the desired change then Sea Clutter is screen clutter caused by choppy sea conditions press the ENTER key to accept the change Adjusting the Sea Clutter setting can help eliminate the screen clutter Gain Selecting Sea Clutter displays the Sea Clutter Adjustment Slider The Selecting Gain displays the Gain Adjustment Slider When Auto slider has three preset positions Calm Moderate and Rough is selected the Scanner Gain 1s automatically adjusted to provide Sea Clutter optimal performance sl Rough 2 Moderate i Calm To change the Sea Clutter setting 1 Using the ARROW KEYPAD move the slider to a preset or other position 2 Press the ENTER key to accept the change The preset positions can also be selected using the Soft Key options Rain Clutter Rain Clutter is screen clutter caused by rain Adjusting the Rain Clutter setting can help remove screen clutter caused by rain at close ranges Selecting Rain Clutter displays the Rain Clutter Adjust
11. ancies before continuing navigation CAUTION IT IS THE USER S RESPONSIBILITY TO USE THIS PRODUCT PRUDENTLY THIS PRODUCT IS INTENDED TO BE USED ONLY AS A NAVIGATIONAL AID AND MUST NOT BE USED FOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT OF DIRECTION DISTANCE LOCATION OR TOPOGRAPHY WARNING This product its packaging and its components contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is being provided in accordance with California s Proposition 65 If you have any questions or would like additional information please refer to our web site at http www garmin com prop65 WARNING The radar scanner transmits electromagnetic energy Ensure that the scanner has been installed according to the recommendations given in this guide and that all personnel are clear of the scanner before switching to transmit Mode Index A About This Manual 1 Adjustment 5 Adjustment Menu 5 Advanced Tab 16 AFC Mode 16 17 B Background 16 Background color 15 Bearing Line 16 Bearing Reference 15 16 Begin Transmitting 17 Begin Transmitting 13 C Caution 2 Center Offset 15 16 change Sea Clutter setting 7 change the Gain 6 Clear Trails 9 Configuration 5 Course Line 16 Cross talk Rejection 14 D Define a Guard Zone 10 Digital Navigation Data 3 4 Display Tab 15 E EBL 10 Electronic Bearing Line 10 Enter Standby 13 17 European License Requirements 1
12. anner collects the returned energy for processing and display The GMR 20 40 is operated and adjusted using the controls on your Gamin chartplotter Radar data is presented on a dedicated Radar page or as an overlay on the Map page All radar controls are accessible on both pages The Radar Page With the GMR 20 40 Radar properly installed at power up the Garmin chartplotter should detect the GMR 20 40 as a new network connection Note A software update may be needed for the GMR 20 40 to function properly If the message Incompatible Software Version is displayed when the chartplotter is powered on the software in the chartplotter needs to be updated A software update card is provided with the GMR 20 40 RADAR OVERVIEW THE RADAR PAGE When the new radar is detected the chartplotter automatically adds a dedicated Radar page to the page list If the Radar page is not available press and hold the ADJ MENU key until the Main Menu is displayed Using the ARROW KEYPAD highlight the System tab and select Radar from the Services list at the bottom of the page To Select the Radar page for display 1 Press the PAGE key to display the Pages list 2 Using the ARROW KEYPAD select Radar 3 Press the ENTER key 3 Compass 4 Highway Pages List THE RADAR PAGE In the Status Bar at the top of the Radar page the message Radar Warming Up is displayed with a countdown to Standby Mode The countdown to Standby Mod
13. area an alarm is sounded The Safe Zone can be set to a distance between 01 and 2 nautical miles Time To Safe Zone sounds an alarm if MARPA determines that a target will intersect the Own Vessel Safe Zone within the defined time interval The time interval settings range from 3 to 24 minutes Safe Zone Ring displays a ring on the Radar page depicting the Own Vessel Safe Zone Velocity Reference has two settings Absolute and Relative This setting determines how speed and direction are displayed on the MARPA List Relative calculates target speed and direction relative to your own Absolute displays the target s actual speed Hide Show Navigation Features This setting hides or shows navigation features such as Waypoints a Bearing Line and a Course Line on the Radar page See page 16 for more information on selecting the Navigation Features Additional Adjustment Menu Items There are three additional items available on the Adjustment Menu Map Cursor On Off Setup and Enter Standby Begin Transmitting continued THE RADAR ADJUSTMENT MENU Map Cursor On Off The Map Cursor On Off setting turns the Map Page Cursor On or Off when operating in Split Screen Mode or when using two MFDs To turn the Map Cursor On Off Using the ARROW KEYPAD highlight Map Cursor On Off and press the ENTER key Setup Selecting Setup displays the Radar Setup Menu The Radar Setup Menu contains four sub tabs General Display MARPA and Advan
14. ayed By default the Radar page displays a Status Bar along the top user configurable Digital Navigation Data down the right side a Heading Line and Range Rings Soft Key options that allow the user to quickly access functions and change settings may be displayed along the bottom of the page Status Bar ss Heading Line Navigation DPT Data J Zoom Scale 29 26 J J POSN eZ ae N ZQO 51 50 5 Soft Key Options Ring Separation Ts 2 3am wo94 47 949 VRM EBL_ RANGE RincGs HeabinG LinE Dicitat Navication DATA Range Rings The Range Rings are used as an aid to quickly determine distance to a target In the lower right corner of the display are two scales The upper scale is the current zoom scale This scale is changed using the RANGE keys The Zoom Scale is represented by the Range Ring with tick marks around the circumference The tick marks are arrange with a minor tick marks every five degrees and major tick marks at thirty degree increments These tick marks can aid in quickly determining the azimuth to a target The lower scale represents the distance between the Range Rings Heading Line The Heading Line 1s shown from your current position along the path of your current heading Digital Navigation Data By default the Radar page shows one column of digital navigation data with four data fields The Radar page can be configured to show two columns of data with up to seven da
15. ced The General Tab The General tab contains settings for Orientation Cross talk Rejection Front of Boat Offset Timed Transmit Timed Transmit XMIT Time and Timed Transmit STBY Time To change a Setup field option 1 Using the ARROW KEYPAD highlight the desired field and press the ENTER key to activate the field selections 2 Using the ARROW KEYPAD highlight the desired selection 3 Press the ENTER key to accept the change General Display MARPA Advanced Orientation Cross talk Rejection Heading Up On Timed Transmit Front of Boat Offset i a Timed Transmit XMIT Time z 0min aa Timed Transmit STBY Time 15min The General Tab Orientation configures the Radar page to display in one of three Modes Heading Up North Up or Course Up Cross talk Rejection radar cross talk may occur when two or more radar equipped vessels are operating in proximity to one another Cross talk rejection automatically filters out the cross talk interference Front of Boat Offset this setting 1s used to correct for any alignment error that may have occurred during installation of the scanner The scanner is directional For optimal performance it needs to be pointed directly ahead of the boat To verify that the scanner is properly aligned point the bow of the boat directly at a stationary object such as a buoy Check the radar screen to verify that the object is shown directly ahead of the boat If it is not highl
16. e is also displayed in the middle of the radar display When the countdown reaches zero the message Hold FCTN to transmit is displayed E Radar Warming Up 63 Seconds Until Standby Standby In 63 As a safety feature the scanner enters Standby Mode after it is warmed up This provides the operator an opportunity to verify that the area around the scanner is clear before beginning radar transmission It is important to remember that the microwave energy transmitted by the scanner can potentially be dangerous Caution The GMR 20 40 Radar transmits microwave energy that has the potential to be harmful to humans and animals Before beginning radar transmission verify that the area around the scanner is clear The GMR 20 40 transmits a beam approximately 12 above and below a line extending horizontally from the center of the scanner Avoid looking directly at the scanner as the eyes are the most susceptible part of the body When the area surrounding the scanner 1s clear press and hold the FCTN key The message Do you want to begin radar transmission is displayed Select Yes then press the ENTER key Before transmission begins the message Spinning Up is displayed while the radar antenna reaches nominal rotation speed When the message disappears the radar begins painting an image gt RADAR Pace Layout Radar Page Layout This section describes the features of the Radar page and how its features are displ
17. ed with the Using the ARROW KEYPAD highlight MARPA List and press appropriate symbol the ENTER key 00 49 36 03 47 01 Passed 00 18 47 Acquiring Target Tracking Target O MARPA List MARPA Setup The MARPA Setup Menu contains settings for Vector Length Target History Own Vessel Safe Zone Tine To Safe Zone Safe Ring Zone and Velocity Reference To display the MARPA Setup Menu Using the ARROW KEYPAD highlight MARPA Setup and press the ENTER key General Display MARPA Advanced Vector Length Target History 6 min Off Own Vessel Safe Zone Time To Safe Zone 0 5 nm 3 min Safe Zone Ring Velocity Reference Hide Relative MARPA Setup Menu To change a MARPA field option Using the ARROW KEYPAD highlight the desired field and press the ENTER key to activate the field selections 2 Using the ARROW KEYPAD highlight the desired selection 3 Press the ENTER key to accept the change Vector Length predicts the target s approximate position at a set time interval This setting determines the length of the Vector Line based on the time interval setting and the target s speed The time interval settings range from 05 minutes to 60 minutes Target History is a trail showing a targets movement Target History can be turned On or Off THE RADAR ADJUSTMENT MENU Own Vessel Safe Zone is a circular area defined by a range setting that is centered on your own vessel If a target enters the defined
18. en MARPA The Mini Automatic Radar Plotting Aid or MARPA function is used to aid in collision avoidance MARPA can track up to ten designated targets Detailed information including Bearing Range Course Speed Closest Point of Approach and Time to Closest Point of Approach for each target is displayed in the MARPA list MARPA relies on a Heading Sensor to provide accurate own vessel heading information Accurate heading data enhances MARPA s performance Each target being tracked by MARPA is represented by a symbol The symbols indicate the current state of the target The heading sensor must output the NMEA sentence HDM or HDG at format 0183 v2 30 or higher Note The MARPA function requires the use of a heading sensor THE RaDaR ADJUSTMENT MENU C Acquiring Target O Target is Safe A Target is Dangerous Lost Target For each target a number and Vector Line is displayed with the symbol The number is the MARPA List ID Number The Vector Line is a visual reference of the target s course and speed k designate a MARPA target Using the ARROW KEYPAD highlight Acquire Target and press the ENTER key 2 On the Radar page using the ARROW KEYPAD move the pointer to the desired target and press the ENTER key continued OPERATION gt THE RADAR ADJUSTMENT MENU While a target is being designated a box is placed around the target To display the MARPA List When MARPA begins tracking the target the box 1s replac
19. es Waypoints A Bearing Line A Course Line The Display Tab THE RADAR ADJUSTMENT MENU Center Offset has three settings Center Look Ahead and Auto Shift Center places your current location in the center of the display Look Ahead shifts your current location toward the bottom of the display allowing you to view an area farther ahead Auto Shift adjusts your location on the display according to the current speed Rings is used to turn the radar Range Rings On or Off Background is used to select a background color for the Radar page The options are Black Blue and White Heading Line is used to turn the Heading Line On or Off Bearing Reference has two settings Absolute and Relative Relative calculates the bearing relative to own vessel heading Absolute calculates the bearing referring to North Navigation Features there are three selectable Navigation Features Waypoints Bearing Line and Course Line When selected that feature is displayed on the Radar page e Waypoints displays user waypoints on the Radar page Bearing Line when selected displays a Bearing Line on the Radar page The Bearing Line is displayed as a line from your current position to the active destination waypoint similar to a traditional lollipop e Course Line when selected displays a Course Line from your starting point to the active destination waypoint similar to navigation on a map The MARPA Tab See MARPA Se
20. ghlight the desired setting 2 Press the ENTER key to accept the change Target Expansion On Target Expansion Off 4Q OPERATION gt THE RADAR ADJUSTMENT MENU Trails Guard Zone Trails are history trails that show movement of a target When Trails A Guard Zone is a user defined area of protection If a target enters is On all returns on the display leave a history trail The Trails setting the defined Guard Zone an alarm is sounded Two Guard Zones can determines the length of the trail The Trails setting has four presets be defined at any given time Off Short Medium and Long The Guard Zone Menu has two areas Guard Zone 1 and Guard To change the Trails setting Zone 2 Each area has two settings a setting to Show Hide the 1 Using the ARROW KEYPAD highlight the desired setting Guard Zone and Adjust 2 Press the ENTER key to accept the change Trails Off Trails On medium Guard Zone To clear the Trails select Clear Trails on the Adjustment Menu or press the Clear Trails Soft Key continued THE RADAR ADJUSTMENT MENU To Define a Guard Zone 1 Using the ARROW KEYPAD highlight Show Guard Zone 1 2 and press the ENTER key 2 Using the ARROW KEYPAD highlight Adjust and press the ENTER key 3 Using the ARROW KEYPAD define the desired area on the Radar page 4 Press the ENTER key to accept the change With a Guard Zone selected on the Radar page Soft Key options may be available
21. ight the slider and move it left or right using the ARROW KEYPAD until the object is displayed directly in front of the boat When you are satisfied with the alignment press the ENTER key to accept the change Timed Transmit is used to save power likely while at anchor When Timed Transmit is On the radar refers to the settings in Timed Transmit XMIT Time and Timed Transmit STBY Time If Off is selected the Timed Transmit XMIT Time and Timed Transmit STBY Time fields are inactive Timed Transmit XMIT Time this setting determines a time interval in minutes the radar transmits For example if set to 01min the radar transmits for a period of one minute before referring to the Timed Transmit STBY Time THE RADAR ADJUSTMENT MENU Timed Transmit STBY Time this setting determines a time interval in minutes that the radar is in stands by For example if set to 10min the radar stands by for a period of ten minutes before referring to the Timed Transmit XMIT Time When the radar is standing by the scanner does not rotate or transmit however power is still applied to the Magnetron eliminating the need for a warm up cycle The Display Tab The Display tab contains settings for Center Offset Rings Background color Heading Line Bearing Reference and Navigation Features General Display MARPA Advanced Center Offset Center Rings Background On White Heading Line Bearing Reference On Relative Navigation Featur
22. in this device the Software in binary executable form in the normal operation of the product Title ownership rights and intellectual property rights in and to the Software remain in Garmin You acknowledge that the Software is the property of Garmin and is protected under the United States of America copyright laws and international copyright treaties You further acknowledge that the structure organization and code of the Software are valuable trade secrets of Garmin and that the Software in source code form remains a valuable trade secret of Garmin You agree not to decompile disassemble modify reverse assemble reverse engineer or reduce to human readable form the Software or any part thereof or create any derivative works based on the Software You agree not to export or re export the Software to any country in violation of the export control laws of the United States of America LIMITED WARRANTY This Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase Within this period Garmin will at its sole option repair or replace any components that fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labor provided that the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMED
23. ment Slider To change the Rain Clutter setting 1 Using the ARROW KEYPAD move the slider to the desired setting 2 Press the ENTER key to accept the change Rain Clutter THE RADAR ADJUSTMENT MENU FTC Fast Time Constant Adjusting the Fast Time Constant can help eliminate distant screen clutter caused by rain The Fast Time Constant has four presets Off Low Medium and High To change the FTC setting 1 Using the ARROW KEYPAD highlight the desired setting 2 Press the ENTER key to accept the change The FTC settings can also be selected using the Soft Key options TT A Low 3 Medium FTC Menu SMR 20 40 OPERATION gt THE RADAR ADJUSTMENT MENU Zoom When a Zoom level is selected a box showing a zoomed portion of the screen is displayed When Move is selected the ARROW KEYPAD can be used to move the box around the screen The Zoom setting has four presets Off 2x 4x and Move To change the Zoom setting 1 Using the ARROW KEYPAD highlight the desired setting 2 Press the ENTER key to accept the change The Zoom settings can also be selected using the Soft Key options EAC Normal Operation Radar Pointer N Zoom reas Target Expansion Target Expansion increases the size of a target Target Expansion has two settings On and Off The Target Expansion setting has no effect at range settings of 4 nm or greater To turn Target Expansion On Off 1 Using the ARROW KEYPAD hi
24. n Overlay Mode Split overlay with standard radar presentation Off Center Function Look ahead Auto Shift and Manual RF Transmit Frequency 9410 30 MHz FCC Compliance The GMR 20 40 complies with Part 80 of the FCC rules It has received a grant of equipment authorization issued under the authority of the FCC This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures e Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help FCC CompPLiANCE SOFTWARE LICENSE AGREEMENT LIMITED WARRANTY Software License Agreement BY USING THE GMR 20 40 YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT PLEASE READ THIS AGREEMENT CAREFULLY Garmin grants you a limited license to use the software embedded
25. nd press the ENTER key Map Page Radar Overlay Radar information can be displayed as an overlay on the Map page With radar information overlaid on the map many of the radar options are available by pressing the ADJ key It is important to note that changing the Range of the map does not change the scanner range When the Map page is zoomed in or out the radar overlay 1s scaled to fit To overlay Radar Data on the Map page 1 Press the ADJ key 2 Using the ARROW KEYPAD highlight Show Radar and press the ENTER key To hide the Radar Overlay 1 Press the ADJ key 2 Using the ARROW KEYPAD highlight Radar Options and press the ENTER key 3 Using the ARROW KEYPAD highlight Hide Radar and press the ENTER key GMR 20 40 Operation gt Map Pace RADAR OVERLAY 1 Measure Distance 4 Hide Detail 4 Radar Options d 5 Show Weather 6 Animate On 7 Radar Cursor Off 9 Seq Clutter Calm S Setup 3 Rain Clutter Off 9 Weather Legend FTC Off 5 Target Expansion Off gt 6 MARPA Radar Options T Enter Standby j 9 Hide Ead 1 4ri ETA amp 1 16mi Map page Radar Options Map page with radar overlay Radar page There are several Radar Options available on the Map page These options do affect operation of the radar and the Radar page To display the Radar Options 1 Press the ADJ key 2 Using the ARROW KEYPAD highlight Radar Options and press the ENTER key 18
26. om for current updates and supplemental information concerning the use and operation of this and other Garmin products Garmin is a registered trademarks of Garmin Ltd or its subsidiaries and may not be used without the express permission of Garmin January 2005 Part Number 190 00457 00 Rev A Printed in Taiwan INTRODUCTION About This Manual Congratulations and thank you for choosing Garmin s GMR 20 40 Marine Radar The addition of the GMR 20 40 Marine Radar to your Garmin Marine Network enhances the capability of your system by adding graphical radar data to your Garmin Marine Network This manual covers the features and operation of the GMR 20 40 Marine Radar when viewed on the Garmin Marine Network Chartplotters To get the most out of your new radar take time to read this manual and learn the operating procedures for your unit in detail Introduction The introduction contains information about this manual and the Table of Contents Main Pages The Main Pages contain information on the setup and operation of the GMR 20 40 Appendix The Appendix contains information such as specifications and license requirements You can also find warranty and FCC information in the Appendix Index Use the Index as a key word search to help you find information more quickly ABouT THIS MANUAL Terminology used Throughout this Manual e This manual refers to the radome hardware as the scanner Radar or GMR 20 40
27. ta fields each Each data field can be configured to show a variety of data N 38 51 353 W094 47 943 The Radar Configuration Page The Radar Configuration page is used to change the look of the Radar page Please refer to the GPSMAP 3000 series Owner s Manual for information on Configuring the Main Pages To display the Radar Configuration page Press and hold the DATA CONFIG key Digital 1 SoG COG Digital 2 V VMG BRG WTR TEMP EPE DIST DEST Second Radar XM Audio 2O BE E y 357s Vi Jeo aN 49 Bri Defaults 5 s we 1333 mnn T4997 O44 Lui Radar Configuration Page THE RADAR CONFIGURATION PAGE THE RADAR ADJUSTMENT MENU The Radar Adjustment Menu The Radar Adjustment Menu 1s a numbered list of options that allow direct access to the settings and features most commonly used on the Radar Page There are several adjustment options available Gain Sea Clutter Rain Clutter FTC Zoom Target Expansion Trails Guard Zone VRM EBL MARPA and Hide Show Navigation Features All adjustments are made using the Arrow Keypad or Data Entry Keys Sea Clutter Rain Clutter AELG Zoom Target Expansion Trails Guard Zone 9 VRM EBL 10 MARPA 11 Hide Navigation Features 12 Map Cursor Off 13 Setup 14 Enter Standby Radar Adjustment Menu THE RADAR ADJUSTMENT MENU continued To change the Gain setting To change a Radar Adjustment Menu setting 1
28. tup on page 12 The Advanced Tab AFC Mode has two settings Auto and Manual In Auto Mode the scanner frequency 1s automatically adjusted for optimal performance and is recommended General Display MARPA Advanced AFC Mode ee ae ee S Fre a Signal Strength Wap ae BA coe The Advanced Tab To select an AFC Mode 1 Using the ARROW KEYPAD highlight the AFC Mode field and press the ENTER key 2 Using the ARROW KEYPAD highlight the desired selection and press the ENTER key To manually adjust the scanner frequency 1 Using the ARROW KEYPAD highlight the Freq button and press the ENTER key 2 Using the ARROW KEYPAD adjust the scanner frequency up or down to achieve the desired effect 3 Press the ENTER key to accept the frequency change Enter Standby Begin Transmitting Selecting Enter Standby places the Scanner into Standby Mode While in Standby Mode the Scanner does not transmit but power remains applied to the Magnetron when responding to frequency tuning changes If the scanner is in Standby Mode Begin Transmitting is enabled Selecting Begin Transmitting removes the scanner from Standby Mode and after Spinning Up the scanner begins transmitting Note The Signal Strength bar graph is damped and may be slow THE RADAR ADJUSTMENT Menu Mar Pace RADAR OVERLAY To select Enter Standby or Begin Transmitting Using the ARROW KEYPAD highlight the Enter Standby or Begin Transmitting a
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