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Garmin 190-00336-00, GDL 30 Sea Surface, Temperature, Wave Height

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The Weather Features

Sea Surface

The Sea Surface category contains Temperature, Wave Height, Wave Period, and Wave Direction. Each feature can be turned on, off, or set to display at a selected zoom range.

Temperature

The Temperature feature displays the water’s surface temperature. The temperature breaks are indicated by isobars.

Wave Height

The Wave Height feature displays wave heights. The wave heights for an area are separated by isobars.

Temperature feature		Wave Height feature

GDL 30/30A Owner’s Manual

Contents

Page Page Important Numbers Serial number XM WX Weather ID Product terminology used throughout this manual Product Registration Page Caring for the Unit Cleaning the Case Water Immersion Storage Servicing Your Unit GDL 30/30A Step 4: Save the service package Step 1: Install the unit Step 5: Use your new XM services Step 2: Set up the XM account Preset Weather Displays Selecting a preset weather display To select a preset weather display: Customizing the Preset Weather Displays Precipitation NEXRAD Cloud Tops Storm Cells Lightning Hurricanes Atmosphere Wind Pressure Visibility Fronts City Conditions Sea Surface Temperature Wave Height Wave Period Wave Direction Weather Tab Current Forecast Sea Surface Forecast Map Setup XM Tab Information Weather-RelatedBroadcast Rates Blink Codes GDL 30/30A Specifications GA 31 Antenna Specifications Product Safety and Regulatory Information Weather and Sea Surface information Caution Software Software Versions Software License Agreement Limited Warranty Index Garmin products, visit the Garmin Web site at www.garmin.com