User's Manual

Setup and Calibration
25
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S26 Magnetic Variation
Allows manual entry of local magnetic variation. This setting
is ignored if variation information is available from a GPS
source.
S27 Magnetic Deviation
However carefully positioned the Compass Transducer is
there is always the possibility of errors being introduced by
the vessel and equipment. To remove errors it is necessary to
"Swing" the compass by turning the boat slowly until the
system can optimize the readings. Once the correction has been
completed the deviation correction value will be displayed.
See page 34 for the calibration process.
Page Configuration Chapter
S28 Single-Line Display Page
This setup page allows the selection of the data items to be
displayed on each of the 8 single item display pages.
When this page is first selected, the display shows the cursor
beneath the title of the data item currently selected for
display page 1.
To select an alternative single line display page:
Press the button repeatedly to show the data items currently
allocated to pages 2 through 8 (the cursor changes from to as
appropriate).
To change the data item associated with a page:
Press the button. The currently selected item will flash. Press the
or button repeatedly until the required data item title is under
the cursor. Press to confirm the selection.
If a single line page is set to display the OFF (null) data item, the page
concerned is removed from the cycle of single line display pages. If all
single line display pages are set to display the OFF (null) data item, the
whole single line display chapter is removed from the chapter cycle.