Kongsberg HiPAP 501 Product Description page 52

HiPAP Model 501/451/351/101
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In order to simplify and improve the quality of the alignment
scenario, the alignment function in APOS is used. By logging
the vessel position from GNSS along with the measured HiPAP
position of a seabed transponder, the program computes the
alignment parameters. The normal procedure is to locate the
vessel at four cardinal points and on top of the transponder with
four headings.
Immediately the alignment parameters can be computed and
automatically be transferred to the APOS alignment parameters.
No manual transfer is needed. The results from the alignment
are shown both numerical and graphically on the APOS.
An example is shown in the two figures below.
Figure 6 Result of transducer alignment - APOS presentation
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