Introduction The GEONAV 4C is a handheld chartplotter that displays yourboat’s current position with respect to an electronic chart.The unit is equipped with a built-in MARINE GPS boat receiver that cantrack up to 12 satellites simultaneously and be interfaced with:?An external GPS?A marine depth sounder ?An autopilotThe unit can be installed onboard, interfaced with the NMEAinstruments and - at the same time - work as a portable instru- ment, thanks to four AA alkaline cells or rechargeable batter- ies.The unit is also equipped with a built-in battery boat charger thatstarts operating automatically when the unit is powered. To- tally waterproof (IPX7), the unit is equipped with a daylight visible, color TFT display.By using a GEONAV 4C and a NAVIONICS Gold electronicchart, you will never get lost even at night, and in case of bad weather or reduced visibility because your plotter will always display where you are and where your are heading for.The ROUTE function will allow you to plan a trip, MARKERSwill allow you to mark points of interest whereas the TRACK function will allow you to record your actual route. Thanks to the unlimited capacity of the new CompactFlash™ cartridges - that can also be used on PCs as personal hard disks - the instrument can store a large amount of route, track and marker data.NAVIONICS GOLD CHARTS are available for all the most popu-lar boating areas and can be used in addition to official paper INTRODUCTION 4 charts to obtain additional information, such as the availabil- ity of port services, as well as tides and currents data. NAVIONICS electronic charts are available worldwide from authorized NAVIONICS dealers. EnglishEnglish 5