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GMR 21/41 Owner’s Manual 

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Product Registration

Help us better support you by completing our online registration 

today! Connect to our Web site at www.garmin.com/registration/.
Use this area to record the serial number (8-digit number located 

on the bottom of the GMR 21/41) in case your GMR 21/41 needs 

service. Keep the original sales receipt, or a photocopy, in a safe 

place.
Serial Number: ___  ___  ___  ___  ___  ___  ___  __

Contact Garmin

Contact Garmin if you have any questions while using your  

GMR 21/41. In the USA contact Garmin Product Support by phone: 

(913) 397-8200 or (800) 800-1020, Monday–Friday, 8 AM–5 PM 

Central Time; or go to www.garmin.com/support/, and click  

Product Support

.

In Europe, contact Garmin (Europe) Ltd. at +44 (0) 870.8501241 

(outside the UK) or 0808 2380000 (within the UK).

Software License Agreement

BY USING THE GMR 21/41, 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 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.

Содержание GMR 21/41

Страница 1: ...Owner s Manual marine radar GMR 21 41...

Страница 2: ...nic 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 copyr...

Страница 3: ...following sections The Introduction sections contains the Table of Contents Product Registration and Software License Agreement The Basic Operation section describes the features and operation of the...

Страница 4: ...nt Information iv Basic Operation 1 Understanding Radar 1 Understanding the Radar Display 2 Radar Page 3 Configuring the Radar Page 3 Using the Radar Adjustment Menu 4 Map Page Radar Overlay 9 Radar T...

Страница 5: ...1 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 in...

Страница 6: ...omponents contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is provided in accordance with California s Proposition 65 See www garmin co...

Страница 7: ...n the middle of the Radar Page When the countdown reaches 0 zero the Hold FCTN to transmit message appears As a safety feature the radar enters Standby Mode after it warms up This gives the operator a...

Страница 8: ...g separation Soft keys Using Range Rings Use the Range Rings to quickly determine the distance to a target The lower right corner of the screen contains two scales The scale value represents the dista...

Страница 9: ...new radar is detected the Radar Page is added to the page sequence If the Radar Page is not available press and hold ADJ MENU to open the Main Menu Highlight the System tab and select Radar from the S...

Страница 10: ...tter Rain Clutter FTC Zoom Target Expansion Trails Guard Zone VRM EBL MARPA and Hide Show Navigation Features To select an adjustment option from the Radar Page 1 Press ADJ MENU to open the Radar adju...

Страница 11: ...ontrols unwanted screen clutter caused by rain at close ranges use the slider to select 1 100 FTC Fast Time Constant FTC controls unwanted screen clutter caused by rain at a distance The Fast Time Con...

Страница 12: ...istory trail Off Short Medium or Long Trails On Trails Off Guard Zone A Guard Zone is a user defined area of protection If a target enters the Guard Zone an alarm sounds You can define two Guard Zones...

Страница 13: ...r VRM EBL 2 On the Radar adjustment menu highlight Show VRM EBL 1 or VRM EBL 2 and then press ENTER You can adjust the diameter of the VRM and the angle of the EBL To adjust the VRM EBL 1 Highlight Ad...

Страница 14: ...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 symb...

Страница 15: ...g to remove the radar from Standby Mode After the radar completes Spinning Up the radar begins transmitting Map Page Radar Overlay Radar information can be shown as an overlay on the Map Page When you...

Страница 16: ...p or Course Up North Indicator toggles the north indicator arrow on or off Timed Transmit used to save power usually while at anchor When Timed Transmit is On the radar uses the settings in Timed Tran...

Страница 17: ...d Auto Shift adjusts your location on the screen according to the current speed Rings toggles the radar rings on or off Background sets the background color for the Radar Page Available options are Bl...

Страница 18: ...can be turned On or Off 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 area an alarm is sounded The Safe Zone ca...

Страница 19: ...1 Highlight the AFC Mode field and press ENTER 2 Select Manual and press ENTER 3 Highlight the Freq button to the right of the AFC Mode field and press ENTER NOTE The Freq button is available only ava...

Страница 20: ...rizontal beamwidth of 3 6 nominal vertical beamwidth of 25 nominal Wind Velocity Wind speed up to 100 kts Antenna RPMs 24 rpm Range Ring Accuracy 20 meters or 1 5 of range scale whichever is greater B...

Страница 21: ...and G Latvia I Norway I Lithuania G Switzerland I I requires an individual license for operation G can be operated under a general license or license exemption This product may require licensing in yo...

Страница 22: ...t your local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number Securely pack the unit and a copy of the original sales receipt which is requi...

Страница 23: ...erference 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...

Страница 24: ...ar Page 3 7 manually adjust the radar 13 MARPA 4 8 9 list 9 target 8 MARPA sub tab 12 N navigation features 4 11 O orientation 10 Own Vessel Safe Zone 12 P product registration iii R radar overlay 9 R...

Страница 25: ......

Страница 26: ...t www garmin com 2006 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey...

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