LOW WATER – The minimum level of the tide height in 24 hours.
Position Request – Marine DSC VHF Function of transmitting a GPS position to another Marine DSC VHF. When GPS chart plotter is connected to STANDARD HORIZON GPS the position of another vessel is shown on the Chart page.
SPEED – Shows the Speed Thru the Water when a Digital Speed Log is connected. SOG (Speed Over Ground) – The speed you vessel is traveling at.
STEER – Heading to steer to destination Waypoint. TIME – Shows the current time received by the GPS.
TRIP LOG – Shows the distance the vessel has traveled since the trip log was reset.
TRU Wind DIR SPD (Apparent Wind Direction) – Shows the True Wind Direction when a external wind instrument with NMEA is connected.
TRU Wind SPD (Apparent Wind Speed) – Shows the True Wind Speed when a external wind instrument with NMEA is connected.
TTG (Time To Go) – Shows time to go to reach a Destination point.
UNITS
Nm Nautical Mile (1 NM = 1.15 Sm or 1.85Km) Sm Statue Mile (1Sm = 0.87Nm or 1.61Km)
Km Kilometer (1 Kilometer = 0062 Sm or 0.54Nm) FT Feet. (1 Foot = 0.167 Fathoms or 0.305 Meters) FA Fathom (1 Fathom = 6 Feet or 1.83 Meters)
Mt Meter (1 Meter = 3.28 Feet or 0.55 Fathoms) Kts Knot (1 Knot = 1.15 MPH or 1.85 KPH)
MPH Miles Per Hour (1 MPH = 0.87 Knots or 1.61 KPH) Kmh Kilometer Per Hour (1 KPH = 0.54 Knots or 0.62 MPH)
VMG – It is the destination closing Velocity. The VMG is calculated using the current speed of the vessel (SOG) and the difference between the current vessel course and the bearing to the Destination.
WAAS 2D/3D – The GPS is receiving a 2D or 3D position and the correction from the WAAS Satellite. WAAS consists of approximately 25 ground reference stations positioned across the United States that monitor GPS satellite data. Two master stations, located on either coast, collect data from the reference stations and create a GPS correction message. This correction accounts for GPS satellite orbit and clock drift plus signal delays caused by the atmosphere and ionosphere. The corrected differential message is then broadcast through one of two geostationary satellites, or satellites with a fixed position over the equator. The information is compatible with the basic GPS signal structure, which means any WAAS- enabled GPS receiver can read the signal.
WATER TEMP – Shows the sea water temperature when the FF520 50/200kHz BLACK BOX FISH FINDER or a Digital Speed Log/Temp instrument with NMEA is connected.
XTE (Cross Track Error) – The distance your vessel is off course (left or right) to a Destination point.
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