Navman FUEL 3100 Installation And Operation Manual
Also see for FUEL 3100: Installation and operation manual
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12 NAVMAN FUEL 3100 Installation and Operation Manual4-4 Speed setup (SPEEd)Speed displays and functions are only available if aninstrument has speed input from GPS (via NMEA),NavBus or an optional speed transducer.Use this to specify the settings for:source of the speed input data (INPUT)Speed input via GPS versus paddlewheel.GPS speed readings measure speed over ground. Paddlewheel transducers measure speed through thewater. As they calculate the speed differently, the displayed speed, trip log, economy and range differ foreach type. As a GPS receiver measures speed over the ground, it is more suitable and accurate for theeconomy and range calculations than the paddlewheel speed.calibration by log (CAL.L)calibration by speed (CAL.S)speed transducer damping level (dAmP.S)The CAL.L and CAL.S options are available only ifSEn is specified as the source of the speed data.Example 1:Time travelled: 1 hourSpeed of river: 5 knotsFuel used: 3 gallonsFuel remaining: 50 gallonsPaddlewheel (speed over water)GPS (speed over ground)Speed of riverSpeed displayed Trip log Economy RangePaddlewheel (speed over water) 10 knots 10 nm 3.3 nm/gal 165 nmGPS (speed over ground) 15 knots 15 nm 5.0 nm/gal 250 nmPaddlewheel (speed over water)GPS (speed over ground)Speed of riverExample 2:Time travelled: 2 hoursSpeed of river: 5 knotsFuel used: 6 gallonsFuel remaining: 50 gallonsSpeed displayed Trip log Economy RangePaddlewheel (speed over water) 15 knots 30 nm 5.0 nm/gal 250 nmGPS (speed over ground) 10 knots 20 nm 3.3 nm/gal 165 nm |
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