13-5
Example: Old value was 0.00%, expected distance was 2.01 NM and the sensed distance was 1.99
NM. The new distance is then:
BScale
NEW
= (1+0/100) x 2.01 / 1.99 =1.0100
Calibration factor =(BScale
NEW
-1.0) x 100 = +1.00%
It should be noted that accuracy of the distance obtained as reference must be verified against defined
performance of used reference system. It should also be noted that if reference distance is used, the
distance measured by the log system for comparison must be taken from the distance counter of an
indicator being set to show resulting SOG or could be obtained from longitudinal and transversal trip
distance counters being added geometrically.
The calibration correction values entered are represented in 0.01% increments in the menu C1.
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