Mitsubishi NR-261 Manual page 10

Mitsubishi Multi Communication System
3D Measurement
When valid electromagnetic waves can be received from at
least four GPS satellites, the 3D positions of latitude, longitude
and height are calculated.
2D Measurement
When valid electromagnetic waves can only be received from
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three or less GPS satellites, the height is assumed to be
unchanged from the previous measurement and the 2D posi-
tions of latitude and longitude are calculated. If this happens,
the accuracy of the position is less than the 3D measurement.
No Measurement
If no valid electromagnetic waves can be received from the
GPS satellites, there is no measurement.
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Error in the Current Location
In situations such as the following, the current location may not
be correctly displayed.
Vehicle was moved without it being driven (for example
when transported on a ferry or trailer)
E08100900010