GP1670F_1870F Operator's Manual - Furuno USA

11. CUSTOMIZING YOUR UNIT11.3 SYSTEM MenuSYSTEM INFORMATION[LANGUAGE]: Select the language among English and major European and Asianlanguages.[UNITS OF MEASURE]: The default units of measure are based on the language selected.However, you can freely set the units of measure for distance, speed, windspeed, depth, fish size, temperature, air pressure, oil pressure, and fuel.ItemAvailable unitsDistanceSpeedWind SpeedDepthFish SizeTemperatureAir PressureOil PressureFuelNM, SM, KM, NM+ft, NM+m, SM+ftkn, mph, km/hkn, m/s, mph, Bftm, ft, fm, pb, HRinch, cm°C, °FBar, hPaBar, PSI, kPal, UK gal, US gal[FIX]: Provides for adjustment of the GPS position.FIX DATUM WGS 1984[POSITION FILTER]: When the DOP or receiving condition is unfavorable, the GPSfix may change, even if the vessel is dead in water. This change can be reduced bysmoothing the raw GPS fixes. You can choose the setting from among [Off], [Low],[Medium] and [High]. The higher the setting, the more smoothed the raw data, howevertoo high a setting slows response time to change in latitude and longitude. This isespecially noticeable at high ship's speeds. [Off] is the “normal” setting; increase the11-3