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Installation Manual
Commissioning
8.1.6 Commissioning Step 6: Heading Check
Having installed and selected the appropriate sensors under section “6. Sensors” on page 28, the
system should now be receiving heading information. Test this by completing the following steps:
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Select the charting 2D display with the Charting
Layout button on the Main Menu.
Enable Centre on Vessel.
A small boat icon in the centre of the 2D display will
show a white heading line.
Check that this line is stable, and that it is true to
the ship‘s heading.
If the indicated heading is jumping around even
though the ship is not moving, ensure TMG is
not selected as the Heading device, as this is not
appropriate for mapping.
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If you are using a the HDG sentence for heading,
apply any applicable magnetic Heading Offset
under the Sensor sub-tab of the Ship Setup tab in
System Configuration.
The Heading Offset can also be used to correct for
alignment problems between the transducer and
the heading source. Refining this offset is a complex
process and requires good position accuracy (DGPS
or better).
8.1.7 Commissioning Step 7: Tide Configuration
The Tides tab under the System Configuration can be used to view current tide offsets. Tide correction
is enabled by default. Tide calculation requires Position and Time - if this information is not present as
inputs to the Transfer Task, the entire Tides page will be blank.
Check that the Current Time reads as the current local time. If not, enter the local time difference
in hours (from Coordinated Universal Time UTC) into the Local Time difference field to update the
Current Time and Next Tide times to local time.
If you are using your WASSP system on a lake, or any other place unaffected by tidal movement, tides
should be disabled. Check the Disable Tides box to do this.
Doc. P/N:
WSP-009-009
Version:V1.3
Issue Date: April 2014
www.wassp.com
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