Instruction/ maintenance manual of the product GMR 21/41 Garmin
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Owner’ s Manual marine radar GMR 21/41.
© 2006 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, USA T el. (913) 397.8200 or (800) 800.1020 Fax (913) 397.8282 Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Ind ustria l Est ate, Rom sey , SO51 9DL, U K T el .
GMR 21/41 Owner ’s Manual i I ntroductIon > I nst allIng Y our gMr 21/41 and a bout t hIs M anual I ntroductIon This manual covers the features and operation of the GMR 21/41 marine radar when viewed on a Garmin marine network chartplotter .
ii GMR 21/41 Owner ’s Manual I ntroductIon > t able of c ontents T able of Contents Introduction ...........................................................................i Installing Y our GMR 21/41 .............................................
GMR 21/41 Owner ’s Manual iii I ntroductIon > P roduct r egIstra tIon and s oftw are l Icense a greeMent Product Registration Help us better support you by completing our online registration today! Connect to our W eb site at www .garmin.com/registration/.
iv GMR 21/41 Owner ’s Manual I ntroductIon > w arnIng and I MPort ant I nforMa tIon Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury . The radar scanner transmits electromagnetic energy .
GMR 21/41 Owner ’s Manual 1 b asIc o Pera tIon > u nderst andIng r adar B asIc o pera tIon This section covers the features and operation of the GMR 21/41. Understanding Radar The GMR 21/41 transmits a narrow beam of microwave energy in a rotating 360° pattern.
2 GMR 21/41 Owner ’s Manual b asIc o Pera tIon > u nderst andIng r adar Before transmission begins, the message “Spinning Up” is shown while the radar antenna reaches nominal rotation speed. After the message disappears, the radar begins painting an image.
GMR 21/41 Owner ’s Manual 3 b asIc o Pera tIon > r adar P age Radar Page W ith the radar properly installed, when you turn on your Garmin Marine Network chartplotter , it should detect the radar as a new network connection. NOTE: A software update may be needed for the radar to function properly .
4 GMR 21/41 Owner ’s Manual b asIc o Pera tIon > r adar P age 2. Using the ROCKER , highlight the function you want to add or remove, and press ENTER .
GMR 21/41 Owner ’s Manual 5 b asIc o Pera tIon > r adar P age Gain Gain controls the sensitivity of the Radar receiver . Auto (default) is the recommended setting. It automatically adjusts the gain for each range scale to provide optimal performance.
6 GMR 21/41 Owner ’s Manual b asIc o Pera tIon > r adar P age T arget Expansion Off T arget Expansion On T rails T rails allows you to select whether all returns on the screen leave a history trail, and allows you to determine the length of the history trail ( Off , Short , Medium , or Long ).
GMR 21/41 Owner ’s Manual 7 b asIc o Pera tIon > r adar P age 3. Using the ROCKER , dene the area on the Radar Page by adjusting three points: Corner 1 , Corner 2 , and Circular . 4. Press ENTER to set the Guard Zone. VRM/EBL The V ariable Range Marker (VRM) and Electronic Bearing Line (EBL) tools measure range and bearing to a target.
8 GMR 21/41 Owner ’s Manual b asIc o Pera tIon > r adar P age MARP A The M ini A utomatic R adar P lotting A id (MARP A) function helps with collision avoidance.
GMR 21/41 Owner ’s Manual 9 b asIc o Pera tIon > M aP P age r adar o verla Y T o view the MARP A List: Press the MARP A List soft key . Enter Standby (Begin T ransmitting) The Enter Standby ( Begin T ransmitting ) option allows you to select whether the radar is in Standby Mode or is transmitting.
10 GMR 21/41 Owner ’s Manual b asIc o Pera tIon > r adar t ab Radar T ab When GMR 21/41 is connected to a Garmin Marine Network chartplotter , and either the Auto-Detect Services or Radar check box is selected on the System tab, the Radar tab appears on the Main Menu.
GMR 21/41 Owner ’s Manual 1 1 b asIc o Pera tIon > r adar t ab • Cross-talk Rejection —toggles cross-talk rejection on or of f. Radar cross-talk may occur when two or more radar equipped vessels are operating in proximity to one another . Cross-talk rejection automatically lters out the cross-talk interference.
12 GMR 21/41 Owner ’s Manual b asIc o Pera tIon > r adar t ab MARP A Sub Tab The MARP A sub tab contains settings for V ector Length, T arget History , Own V essel Safe Zone, T ine T o Safe Zone, Safe Ring Zone, and V elocity Reference.
GMR 21/41 Owner ’s Manual 13 b asIc o Pera tIon > r adar t ab Advanced Sub T ab Use the Advanced sub tab to set the AFC Mode and the front of boat offset. The available Advanced sub tab settings are: • AFC Mode —sets how the scanner frequency is adjusted.
14 GMR 21/41 Owner ’s Manual a PPendIx > s PecIfIca tIons a ppendIx Specications Unit Dimensions: 24" D x 8" H (610 mm x 205 mm) Cable Length: 15 meters Radar Scanner W eight: Unit 26 lbs; cable 8.
GMR 21/41 Owner ’s Manual 15 a PPendIx > e uroPean l Icense r equIreMents and d eclara tIon of c onforMItY (d o c) European License Requirements The following table shows European License requirements for the GMR 21/41.
16 GMR 21/41 Owner ’s Manual a PPendIx > l IMIted w arrantY Limited W arranty This Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. W ithin this period, Garmin will, at its sole option, repair or replace any components that fail in normal use.
GMR 21/41 Owner ’s Manual 17 a PPendIx > fcc c oMPlIance and I ndustrY c anada c oMPlIance FCC Compliance The GMR 21/4 1 com plies with Par t 80 of th e FCC rul es. I t has rec eived a g rant of eq uipme nt a uthor izati on, i ssue d und er th e aut hori ty of the F CC.
18 GMR 21/41 Owner ’s Manual I ndex I ndex A Advanced sub tab 13 AFC mode 13 auto-detect services 10 B Bearing Line 1 1 bearing reference 1 1 begin transmitting 9 C center offset 1 1 clutter rain 5 .
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For the latest fr ee software updates (excluding map data) throughout the life of your Garmin products , visit the Garmin W eb site at www .garmin.com. © 2006 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151 st Street, Olathe, Kansas 66062, USA Garmin (Europe) Ltd.
An important point after buying a device Garmin GMR 21/41 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Garmin GMR 21/41 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Garmin GMR 21/41 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Garmin GMR 21/41 you will learn all the available features of the product, as well as information on its operation. The information that you get Garmin GMR 21/41 will certainly help you make a decision on the purchase.
If you already are a holder of Garmin GMR 21/41, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Garmin GMR 21/41.
However, one of the most important roles played by the user manual is to help in solving problems with Garmin GMR 21/41. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Garmin GMR 21/41 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
