User`s manual

MAIN MENU (con't)
Misc Menu
Units
Grid
Clear Screen Now
Diagnostics
to change the units of measurement from Meters to Feet.
to display the range division lines on the sonar display.
to clear all echo data from the sonar display.
displays the Diagnostics pop-up window. This window
displays the header information from the SportScan.
displays a x3 pixel zoom pop-up window. A rectangular
area about the cursor is displayed in this window. Click
the left mouse button once to capture the zoom window
contents. Click again to release the capture.
used to enter the towing speed of the boat (in knots) if
GPS speed is not available. The speed is needed in order
to perform Speed Correction on the sonar data. Not
available if Speed from GPS is selected.
used for sonar data Speed Correction. Select this function
if the $GPRMC or $GPVTG strings are available from
your GPS receiver. If none of these strings are available,
enter the tow speed using the Manual Speed entry.
use this function to plot the SportScan data with a 1:1
aspect ratio. The displayed along track distance will be the
same as the slant range echo distance. Circular targets will
appear circular.
used to display the along track tick marks on the sonar
data display. If Speed Correction is selected, the distance
between the along track marks will be the same number of
pixels as the distance between the range divison grid lines.
Zoom
Manual Speed
Speed from GPS
Speed Correction
Along Track Marks
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