Raymarine L470 - Manual (Page 79)

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Setup Instructions
Fig. 4-12
Bottom Lock
Range Menu
Item
If you are done with your setup changes, press the CLEAR button to go back
to the normal display. If you press the V arrow of the Page Control Pad
at this point, the next menu will be the Range menu shown in Fig. 4-1.
Setup Menus for Bottom Lock Mode
The Bottom Lock Setup Menus allow you to customize the Bottom Lock
feature to your particular application. When in the Bottom Lock Mode,
these two menu items are added to the existing Setup Menu of the page
currently selected. Just press
SETUP while in the Bottom Lock Mode and
scroll through the menu items until the desired menu item is displayed.
Bottom Lock Range Menu Item
If you press SETUP while the unit is displaying the Bottom Lock Mode, you
will see the setup menu shown in Fig. 4-12.
Bottom Lock Range
This range setting controls the maximum depth the unit will
be able to see. Notice that only manual range control is
available for the Bottom Lock Mode. Use the
< and >
arrows of the Page Control Pad to select the range you
want. Here are the choices:
Possible Bottom Lock Range Settings:
In feet: 5, 10, 15, 20, 30, 40, 50, 60, 80, 100, 150
In fathoms: 1, 2, 3, 4, 5, 8, 10, 15, 20, 25, 30
In meters: 2, 4, 6, 8, 10, 15, 20, 25, 30, 40, 50