Garmin GMR 21/41 User Manual

Owner’s Manualmarine radarGMR 21/41

4 GMR 21/41 Owner’s ManualbasIc oPeratIon > radar Page2. Using the ROCKER, highlight the function you want to add or remove, and press ENTER. Onl

GMR 21/41 Owner’s Manual 5basIc oPeratIon > radar PageGainGain controls the sensitivity of the Radar receiver. Auto (default) is the recommended s

6 GMR 21/41 Owner’s ManualbasIc oPeratIon > radar PageTarget Expansion Off Target Expansion OnTrailsTrails allows you to select whether all return

GMR 21/41 Owner’s Manual 7basIc oPeratIon > radar Page3. Using the ROCKER, dene the area on the Radar Page by adjusting three points: Corner 1,

8 GMR 21/41 Owner’s ManualbasIc oPeratIon > radar PageMARPAThe Mini Automatic Radar Plotting Aid (MARPA) function helps with collision avoidance.

GMR 21/41 Owner’s Manual 9basIc oPeratIon > MaP Page radar overlaYTo view the MARPA List: Press the MARPA List soft key.Enter Standby (Begin Tran

10 GMR 21/41 Owner’s ManualbasIc oPeratIon > radar tabRadar TabWhen GMR 21/41 is connected to a Garmin Marine Network chartplotter, and either the

GMR 21/41 Owner’s Manual 11basIc oPeratIon > radar tab• Cross-talk Rejection—toggles cross-talk rejection on or off. Radar cross-talk may occur w

12 GMR 21/41 Owner’s ManualbasIc oPeratIon > radar tabMARPA Sub TabThe MARPA sub tab contains settings for Vector Length, Target History, Own Vess

GMR 21/41 Owner’s Manual 13basIc oPeratIon > radar tabAdvanced Sub TabUse the Advanced sub tab to set the AFC Mode and the front of boat offset.Th

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14 GMR 21/41 Owner’s ManualaPPendIx > sPecIfIcatIonsappendIxSpecicationsUnit Dimensions: 24" D x 8" H (610 mm x 205 mm) Cable Length:

GMR 21/41 Owner’s Manual 15aPPendIx > euroPean lIcense requIreMents and declaratIon of conforMItY (doc)European License RequirementsThe following

16 GMR 21/41 Owner’s ManualaPPendIx > lIMIted warrantYLimited WarrantyThis Garmin product is warranted to be free from defects in materials or wor

GMR 21/41 Owner’s Manual 17aPPendIx > fcc coMPlIance and IndustrY canada coMPlIanceFCC ComplianceThe GMR 21/41 complies with Part 80 of the FCC ru

18 GMR 21/41 Owner’s ManualIndexIndexAAdvanced sub tab 13AFC mode 13auto-detect services 10BBearing Line 11bearing reference 11begin transmittin

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GMR 21/41 Owner’s Manual iIntroductIon > InstallIng Your gMr 21/41 and about thIs ManualIntroductIonThis manual covers the features and operation

ii GMR 21/41 Owner’s ManualIntroductIon > table of contentsTable of ContentsIntroduction ...

GMR 21/41 Owner’s Manual iiiIntroductIon > Product regIstratIon and software lIcense agreeMentProduct RegistrationHelp us better support you by co

iv GMR 21/41 Owner’s ManualIntroductIon > warnIng and IMPortant InforMatIonFailure to avoid the following potentially hazardous situations could r

GMR 21/41 Owner’s Manual 1basIc oPeratIon > understandIng radarBasIc operatIonThis section covers the features and operation of the GMR 21/41.Unde

2 GMR 21/41 Owner’s ManualbasIc oPeratIon > understandIng radarBefore transmission begins, the message “Spinning Up” is shown while the radar ante

GMR 21/41 Owner’s Manual 3basIc oPeratIon > radar PageRadar PageWith the radar properly installed, when you turn on your Garmin Marine Network cha