Garmin GMR 21/41 manual

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 . +44 (0) 870.8501241 (outside t he UK) 0808 2380000 (within the UK[...]

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 . Installing Y our GMR 21/41 T o install your GMR 21/41, refer to the GMR 21/41 Installation Instructions[...]

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 ....................................................... i About This Manual ................................................................... [...]

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/. Use this area to record the serial number (8-digit number located on the bottom of the G[...]

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 . Ensure that the scanner has been installed according to the reco[...]

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. When the transmitted ener gy contacts a target, some of that ener gy is reected[...]

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. Understanding the Radar Display The Radar Page shows a status bar along the top, use[...]

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 . If the message “Incompatible Software V ersi[...]

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 . Only functions with a check mark in the check box next to them appear on the Radar Page. Using the Radar Adjustment Menu Use the Radar adjustment menu to access the settings and features most c[...]

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. Y ou can also set gain manually . T o see more detail, increase the receiver sensitivity by se[...]

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 ). T rails On T rails Off Guard Zone A Guard Zone is [...]

GMR 21/41 Owner ’s Manual 7 b asIc o Pera tIon > r adar P age 3. Using the ROCKER , dene 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. Y ou[...]

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. MARP A can track up to 10 designated targets. Detailed information including bearing, range, course, speed, closest point of approach (CP A), and time to closest point of approach (TC[...]

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. Select Enter Standby to place the radar into S[...]

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. T o access and change a setting on the Radar tab: 1. Press the Setup soft ke[...]

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. Display Sub T ab Use the [...]

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. The available MARP A sub tab options are: • V ector Length— predicts the tar get’ s approximate positi[...]

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. Select Auto to automatically adjust the scanner frequency for optimal performance (re[...]

14 GMR 21/41 Owner ’s Manual a PPendIx > s PecIfIca tIons a ppendIx Specications Unit Dimensions: 24" D x 8" H (610 mm x 205 mm) Cable Length: 15 meters Radar Scanner W eight: Unit 26 lbs; cable 8.35 lbs Range Scales (Range Rings) GMR 21—1/8 nm (1/32 nm) to 24 nm (6 nm) GMR 41—1/8 nm (1/32 nm) to 36 nm (9 nm) Power Output GMR [...]

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. Austria I Luxembourg I Belgium G The Netherlands I Czech Republic I Poland G Denmark G Portugal G Estonia I Slovakia * Finlan[...]

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. Such repairs or replacement wi[...]

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. This equipment generates, uses, and can radiate radio frequency energy and[...]

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 sea 5 conguring Radar Page 3 cross-talk rejection 1 1 D Declaration of Conformity (DoC) 15 digital navigation data 2 Display sub tab 1 1 E EBL 7 en[...]

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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. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romse[...]