Garmin GMR 1204 Installation Instructions Manual

Contents

GMR 600/100 Series Installation Instructions 7Configuring the RadarAfter you install the radar, you must prepare the chartplotter or the Garmin Marine network to properly use the radar.1. Update the chartplotter or Garmin Marine Network software.2. Enter the radar antenna size.3. Set the Front of Boat Offset if necessary.Updating the Chartplotter or the Garmin Marine NetworkIf you have a GPSMAP 4000 or 5000 series chartplotter, use a blank SD card to update the chartplotter or the network according to theinstructions in the chartplotter owner’s manual.If you have a GPSMAP 3000 series chartplotter, use a blank Garmin Data Card to update the chartplotter or the network according to theinstructions in the chartplotter owner’s manual.Download the latest software from www.garmin.com.Entering the Radar Antenna SizeUsing a chartplotter, specify the size of your radar antenna (4 foot or 6 foot). Until you specify the antenna size, the warning “Radar NeedsConfigured” appears on the chartplotter.nOTe: Ensure you specify the correct antenna size on your chartplotter to obtain optimum performance.To enter the radar antenna size on a GPSMAP 4000 or 5000 series chartplotter:1. From the Home screen, select Radar > Harbor (or Offshore).2 From the Radar screen, select Menu > Radar Setup > Antenna Size.3. Select the correct antenna size, 4 foot or 6 foot.To enter the radar antenna size on a GPSMAP 3000 series chartplotter:1. Press the PAGE key to switch to the Radar page.2. Press the Setup softkey to open the setup page.2. Using the ROCKER, highlight the Advanced tab, then the Antenna Size field, and press ENTER.3. Select the correct antenna size, 4 foot or 6 foot, and press ENTER.Changing the Front of Boat OffsetDepending on the radar installation, you may need to change the Front of Boat Offset. If the radar installationrequires a 180° offset, change the Front of Boat Offset to 180° and test the radar. If the Front of Boat Offsetneeds further adjustment, measure the radar offset and change the offset using the following procedures.To measure potential radar offset:1. Using a magnetic compass, take an optical bearing of a stationary target located within viewable range.2. Measure the target bearing on the radar.3. If the bearing deviation is more than +/- 1°, further correct the Front of Boat Offset.To change the Front of Boat Offset on a GPSMAP 4000 or 5000 series chartplotter:1. From the Home screen, select Radar > Harbor (or Offshore).2. From the Radar screen, select Radar Setup > Front of Boat.3. Enter an offset value, then select Back.To change the Front of Boat Offset:1. From the Radar page, press the Setup softkey to open the setup page.2. From the Setup page, using the ROCKER, select the Advanced tab.3. Highlight the Front of Boat Offset slider, and press ENTER.4. Adjust the value accordingly. The preview window changes as you adjust the slider.5. After an offset is determined, press ENTER to save, and press QUIT to return to the Radar page.bowsternFront of Boat Offset = 0°Front of boat Offset = 180°bowsternFront of Boat Offset = 0°Front of boat Offset = 180°