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Page 26 FF520
Figure 4.1 - Page Selection sub-menu
The Page Selection options are:
Auto : Selects automatically the 50kHz if depth is greater than 400 ft and selects 200kHz if depth is less
than 300 ft
Full Display : Shows the full Fish Finder page allowing to select among the 200kHz Standard Fish Finder, 50
kHz Standard Fish Finder or 200/50 kHz Dual Fish Finder.
Chart/Fish : Shows the Chart page on the left half of the screen and the Fish Finder on the right half of the screen.
It is possible to select among the 200kHz Standard Fish Finder or 50 kHz Standard Fish Finder.
Zoom Full page : Shows the zoomed Fish Finder on the left half of the screen and the unzoomed Fish Finder on the
right half of the screen. It is possible to select between the 200kHz Split Fish Finder or the 50 kHz
Split Fish Finder zoomed view.
4.2 GAIN MODE
Selects Auto or Manual.
4.3 RANGE MENU
The Range menu allows you to set the Fish Finder working range. The Depth and Shift
functions allow the Fish Finder display to be changed from showing information between
the bottom of the transducer and the bottom to a range you want to select.
Figure 4.3 - Range sub-menu
The Range options are:
Range Mode : Selects among Manual, Auto Range and Bottom Lock. In Manual Range Mode is possible to set
Shift (the offset from the surface) and depth on which the Fish Finder shall operate. In Auto Range
Mode the Fish Finder determines automatically the range as to keep the bottom visible in the lower
bottom of the screen. In this mode, Shift is always set to 0. In Bottom Lock Mode the Fish Finder