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Northstar M121/M84 Installation and Operation Manual 85
Use this feature when the Instrument is
connected to other Northstar instruments
through NavBus or any compatible NMEA
instrument.
Press
MENU
twice, then select Comms:
Press
MENU
twice, then select Units:
The default units are shown above.
Distance
nm (nautical miles), mi (miles) or km
(kilometers)
Distance small
ft (feet) or m (metres)
Speed
kn (knots), mph (miles per hour) or kph
(kilometers per hour)
19-11 Setup > Units
Depth
ft (feet), m (metres) or fa (fathoms)
Height
ft (feet) or m (metres)
Fuel
Litres, USGal (US gallons) or ImpGal (Imperial
Gallons)
Compass
°T (True north) or °M (Magnetic north)
Temperature
°F (Fahrenheit) or °C (Celsius)
Wind (optional)
Requires a wind instrument: True or App
(Apparent)
Note: that the units for wind speed are the
speed units.
Pressure
Requires SmartCraft: kPa or psi
Baro (Barometric pressure)
Requires a Northstar VHF receiver with
barometer connected by NavBus: InHg or mB.
19-12 Setup > Comms
NMEA out
NMEA is generally used with third party
instruments (see section 20-12). Select this to
transmit NMEA sentences, for example to an
autopilot.
NMEA data
Use this to specify which NMEA sentences will
be transmitted (see section 20-12 and Appendix
A).
Lat/lon dps
Select the number of decimal points used for
latitude and longitude transmitted in NMEA
sentences.