Raymarine L470 Fish Finder User Manual


 
61
Setup Instructions
Fig. 4-5
Chart Speed
Menu Item
Fig. 4-6
Frequency
Menu Item
Chart speed This adjusts the speed at which the information moves
across the display. Use the < and > arrows of the Page
Control Pad to change the chart speed. Making the bar
longer increases the chart speed. If you move the bar all of
the way to the left, the FishFinder will freeze and hold the
current display. (The depth indicator will continue to update.)
If
you
are
done
with
your
setup
changes, press
the
CLEAR
button
to
go back
to the normal display.
To select the next menu item, press the
V
arrow of
the Page Control Pad.
Frequency Setting
Frequency is a measure of how fast the sound waves from the trans-
ducer change or vibrate. This unit uses sound waves with two different
frequencies50 kHz and 200 kHz. For an explanation on the uses of
these two frequencies, see the section on Choosing a Frequency.
From the Chart Speed Menu Item, press the
V
arrow of the Page Control Pad.
The next menu item will allow you to make the frequency setting. See Fig. 4-6.