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Owner’s Manual
GMR 404/406
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© 2006, 2007 Garmin Ltd. or its subsidiaries Garmin International, Inc. Garmin (Europe) Ltd. Garmin Corporation st nd 1200 East 151 Street, Unit 5, The Quadrangle, No. 68, Jangshu 2 Road, Olathe, Kansas 66062, USA Abbey Park Industrial Estate, Shijr, Taipei County, Taiwan Tel. (913) 397.8200 or (800) 800.1020 Romsey, SO51 9DL, UK Tel. 886/2.2642.9199 Fax (913) 397.8282 Tel. +44 (0) 870.8501241 (outside the UK) Fax 886/2.2642.9099 0808 2380000 (within the UK) Fax +44 (0) 870.8501251 A
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IIntroduct on > About t hIs MAnuAl The Appendix contains specifications, regulatory information, and IntroductIon maintenance information. You can also find warranty, European This manual covers the features and operation of the GMR 404/406 Licensing Requirements, and FCC information in the Appendix. marine radar when viewed on a Garmin marine network chartplotter. An Index is provided at the end of the manual for reference. Installing Your GMR 404/406 To install your GMR 404/406, refer to
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IntroductIon > t Able of c ontents Appendix ............................................................................14 t able of c ontents Specifications ........................................................................ 14 4 ft Open-Array Antenna .............................................................. 14 Introduction ...........................................................................i 6 ft Open-Array Antenna ..............................................................
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IntroductIon > Product r Ieg A str tIon And s oftw Are l Icense AgreeMent Product Registration Software License Agreement BY USING THE GMR 404/406, YOU AGREE TO BE BOUND BY THE Help us better support you by completing our online registration TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE today! Connect to our Web site at www.garmin.com/registration/. AGREEMENT. PLEASE READ THIS AGREEMENT CAREFULLY. Use this area to record the serial number (8-digit number located Garmin grants you a
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IntroductIon > w AIrn ngs And IMPtor Ant InforMA tIon Warnings Failure to avoid the following potentially hazardous situations could • Use the GMR 404/406 at your own risk. To reduce the risk of result in an accident or collision resulting in death or serious injury. unsafe operation, carefully review and understand all aspects of this Installation Manual, and thoroughly practice operation • The radar scanner transmits electromagnetic energy. Ensure that the using the simulator mode prior to
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b AsIc o PA er It on > u nderst AInd ng r AdAr CAutION: The GMR 404/406 transmits microwave energy that b asIc o tIpera on has the potential to be harmful to humans and animals. Before This section covers the features and operation of the GMR 404/406. beginning radar transmission, verify that the area around the radar is clear. The radar transmits a beam approximately 12° above and below a line extending horizontally from the center of the scanner. Understanding Radar Avoid looking directl
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b AsIc o PerA It on > u nderst AndIng r AA d r Before transmission begins, the message “Spinning Up” is shown Using Range Rings while the radar antenna reaches nominal rotation speed. After the Use the Range Rings to quickly determine the distance to a target. message disappears, the radar begins painting an image. The lower-right corner of the screen contains two scales. The top scale value represents the distance from the center of the radar display Understanding the Radar Display to the
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b AsIc o PA er tIon > r AdAr PAge Configuring the Radar Page Radar Page You can customize the appearance of the Radar Page. A properly installed radar is detected as a new network connection when you turn on your Garmin Marine Network chartplotter. NOtE: For detailed information about configuring Digital 1 and Digital 2 data fields, see your chartplotter owner's manual. NOtE: A software update may be needed for the radar to function properly. If the message “Incompatible Software Version”
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b AsIc o PerA tIon > r AdAr PAge Using the Radar Adjustment Menu To change a Radar adjustment menu setting: 1. Select an adjustment menu option using the methoddescribed Use the Radar adjustment menu to access the settings and features previously. most commonly used on the Radar Page including: Gain, Sea Clutter, 2. Press up or down on the ROCKER to change the setting, Rain Clutter, FTC, Zoom, Target Expansion, Trails, Guard Zone, range,or percentage. VRM/EBL, MARPA, and Hide/Show N
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b AsIc o PA er tIon > r AdAr PAge FTC (Fast Time Constant) Target Expansion FTC controls unwanted screen clutter caused by rain at a distance. The Use Target Expansion to increase the size of a target. Select On or Fast Time Constant has four settings: Off, Low, Medium, and High. Off. NOtE: The Target Expansion setting has no effect at range scales Zoom of 4 nm or greater. Zoom allows you to zoom in on a selected area of the radar screen. When you select a zoom range, a window showing a zoo
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b AsIc o PA er tIon > r AA d r PAge Trails Trails 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). Trails On Trails Off Guard Zone Guard Zone To Define a Guard Zone: A Guard Zone is a user-defined area of protection. If a target enters 1. Highlight Show Guard Zone 1 or 2, andpress ENTER. the Guard Zone, an alarm sounds. You can define two Guard Zones. 2. Highlight
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b AIs c o PerA tIon > r AA d r PAge You can adjust the diameter of the VRM and the angle of the EBL. VRM/EBL The (Variable Range Marker (VRM) and Electronic Bearing Line To adjust the VRM/EBL: (EBL) tools measure range and bearing to a target. You can move 1. Highlight Adjust and press the ROCKERto the right. Highlight the center point of the VRM, which allows you to measure from one Adjustand press ENTER. target to another. Two 2. Press rightor left on the ROCK
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b AsIc o PA er It on > r AA d r PAge For each target, a number and Vector Line is shown with the symbol. MARPA The number is the MARPA list ID number. The Vector Line is a The Mini Automatic Radar Plotting Aid (MARPA) function helps with collision avoidance. MARPA can track up to 10 designated visual reference of the target’s course and speed. targets. Detailed information including bearing, range, course, speed, To designate a MARPA target: closest point of approach (CPA), and time to clos
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b AsIc o PA er It on > MAP PAge r AA d r o A verl y To view the MARPA List: Set Motor to High Speed (Set Motor to Normal Speed) Press the MARPA List soft key. The Set Motor to High Speed (Set Motor to Normal Speed) option allows you to select the motor speed of the GMR 404/406. Selecting Set Motor to High Speed to increases the speed at which the radar rotates, thus increasing the speed at which the screen updates. Map Page Radar Overlay Radar information can be shown as an overlay on the
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b AsIc o PerA tIon > r AdAr t Ab Map Page with Radar Overlay and Radar Page To access and change a setting on the Radar tab: To hide the radar data overlay on the Map Page: 1. Press the Setup soft key on theRadar Page to open theMain 1. Pressthe RadarOptions soft key . Menu. TheRadar tab isautomatically selected. 2. Pressthe Hide Radar soft key. The radar overlay is hidden. 2. Highlight the setting you want to change, and then press ENTER. Radar Tab 3.
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b AsIc o PerA tIon > r AdAr t Ab • North Indicator—toggles the north indicator arrow on or off. Display Sub Tab Use the Display sub tab to adjust settings for: Center Offset, Rings, • t imed t ransmit—used to save power, usually while at anchor. Background color, Heading Line, Bearing Reference, and Navigation When Timed Transmit is On, the radar uses the settings in Features. t imed t ransmit XMIt t ime and t imed t ransmit StBY t ime fields. When Timed Transmit is Off, these fields are
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b AsIc o PerA tIon > r AA d r t Ab • Rings—toggles the radar rings on or off. • Background—sets the background color for the Radar Page. Available options are Black, Blue, or White. • Heading Line—toggles the heading line on or off. • Bearing Reference—sets your bearing, either Absolute or Relative. Relative calculates the bearing relative to own vessel heading. Absolute calculates the bearing referring to North. The available MARPA sub tab options are: • Navigation Features—allows you to
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b AIs c o PerA tIon > r AA d r t Ab • Safe Zone Ring—displays a ring on the Radar Page depicting • AFC Mode—sets how the scanner frequency is adjusted. the Own Vessel Safe Zone. Select Auto to automatically adjust the scanner frequency for optimal performance (recommended). Select Manual to set the • Velocity Reference—has two settings, Absolute and Relative. frequency manually. This setting determines how speed and direction are displayed on the MARPA list. Relative calculates target speed
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APPendIx > s PIec If A c tIons Open-Array Scanner a ppendIx t ransmit Power: 4 kW t ransmitter Frequency: 9410 ±30 MHz Specifications Input Voltage: 10.5 – 38 volts DC 4 ft Open-Array Antenna t ypical Input Power: 45 W t ype: End fed slotted waveguide Input Power (100 kts wind): 130 W maximum Horizontal Beamwidth: 1.8 degrees Range/Pulse Width/PRF (nm/nsec/Hz): 0.125/65/2304 Horizontal Sidelobes: -23 dB within ±10 deg of main
