Garmin GMR 18 Installation Instructions Manual

Also see for GMR 18: Installation instructions Installation instructions Mounting template Declaration of conformity Installation guide

Contents

GMR 18/24 Marine Radar Installation Instructions 5Expanded NetworkGarmin GMS 10 marine networkport expanderGarmin GDL 0/0A marineweather/audio satellitereceiverGA 1GSD 22 sounder moduleto transducerGarminChartplotterGarminChartplotterGMR 18/24 marine radarGPS 17Note: When using the GMR 18/24 with an expanded network, each network component must be installed according to its installationinstructions. This diagram only shows how a GMR 18/24 radar communicates with an expanded network, and does not show the full wiring needsof the other network components.Note: The GMR 18/24, Garmin chartplotter, and the other network components must be connected to a power source according to theirinstallation instructions. This diagram only illustrates the network data connections.Front of Boat OffsetDepending on the scanner installation, it may be necessary to adjust the Front of Boat Offset. If the scanner installation requires a 180° offset,change the Front of Boat Offset to 180° and test the radar. If the Front of Boat Offset needs further adjustment, continue with the procedure below.Using the bow of the ship, take an optical bearing of a stationary target located within viewable range. Measure the target bearing on the radar.If the bearing deviation is more than +/- 1°, then do the following to access the Front of Boat Offset from the menu on your chartplotter:Front of Boat Offest on a 3000 Series chartplotter:1. From the Radar Page, press the ADJ key to display the Adjustment Menu.2. From the Adjustment Menu, select Setup, and press ENTER. Using the Rocker, select the Advanced tab.3. Using the ROCKER, highlight the Front of Boat Offset slider, and press ENTER.4. Adjust the Front of Boat Offset.Front of Boat Offset on a 4000/5000 Series chartplotter:1. From the Home screen, select Radar > Radar Setup > Advanced > Front Of Boat.2. Adjust the Front of Boat Offset.Using the RadarAll functions of the GMR 18/24 radar are controlled using your Garmin marine network chartplotter. See the Radar section of yourchartplotter's manual for operating instructions. If your chartplotter's manual does not contain a Radar section, download the latest revision ofthe manual from http://www.garmin.com/support/userManual.jsp