GMR 18 Marine Radar Installation Instructions 1WelcomeThank you for choosing the Garmin GMR 18. The GMR 18 utilizes the performance of Garmin radar and provides overlay and colorinformation when combined with a Garmin marine multi-function display (MFD).Product RegistrationHelp us better support you by completing our online registration today! Connect to our Web site at www.garmin.com/registration/.Use this area to record the serial number (8-digit number located on the bottom of the GMR 18) in case your GMR 18 needs service. Keep theoriginal sales receipt, or a photocopy, in a safe place.Serial Number: ___ ___ ___ ___ ___ ___ ___ __Contact GarminContact Garmin if you have any questions while using your GMR 18. In the USA contact Garmin Product Support by phone:(913) 397-8200 or (800) 800-1020, Monday–Friday, 8 AM–5 PM Central Time; or go to www.garmin.com/support/, and click ProductSupport.In Europe, contact Garmin (Europe) Ltd. at +44 (0) 870.8501241 (outside the UK) or 0808 2380000 (within the UK).Note: The Garmin GMR 18 has no user-serviceable parts. If you encounter a problem with your unit, please take it to an authorized GarminNMEA dealer or contact Garmin Product Support for repairs.Packing ListBefore installing and getting started with your unit, please check to see that your package includes the following items. If any parts aremissing, please contact your Garmin dealer immediately.Standard Package:• GMR 18 radar unit• Power—marine network cable• Mount kit hardware• Grommet for marine cable