Lowrance electronic LRA-1800 Radar Detector User Manual


 
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1. Line up the bow of your vessel with a point of reference, like a penin-
sula, lighthouse or other stationary target.
2. Press
MENU, highlight RADAR SETUP and press ENT. Press to select
ADJUST HEADING LINE and press ENT. That will place an arrow on each side
of the green Heading Line.
3. Use to adjust the position of the green heading line, so its line
to the reference point's radar image matches your bow's actual line to
the reference point.
4. Press
EXIT to remove the heading line arrows from the display.
Adjust Tune
Tuning should require no adjustment during the life of the unit. We
strongly recommend you do NOT adjust Tune settings yourself.
This feature is intended for use only by trained technicians. If for some
reason you need to use this function, consult your dealer or customer
service about the software updates necessary for tuning.