JRC JFC-7050 - Menu: Speed Source, Correction, Fishing Mode

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Operation
* Input sentence
The JFC-7050 accepts NMEA 0183 sentences
NMEA
Description
$GPRMC
Recommended minimum specific GNSS data
$GPGGA
Global positioning system fix data
$GPVTG
Course over ground and ground speed
$GPZDA
Time and date
9.5. Speed Source
Switch the Sensor/NMEA.
- Inside sensor: Use the built-in speed meter for sensor.
- NMEA: Use the external input value for NMEA.
(The default setting is NEMA.)
9.6. Correction
9.6.1. Boat Speed
The tolerance of boat speed value can be corrected. When the [Speed source] is set to the [Sensor],
It is corrected by %. (setting:-50～50%) When the [Speed source] is set to the [NMEA], it is
corrected by numeral. (setting:-10.0～10.0)
(The default setting is 0.)
9.2.5. Water Temp
The error of water temp value can be corrected.
(setting:-10.0～10.0,-10～10°F)
(The default setting is 0.)
9.7. Fishing Mode
Switch the Fresh Water/Sea Water
(The default setting is Sea Water.)