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26 Fishnder 400C Owner’s Manual
advanced settIngs
Zoom Depth (While Zoomed)—available only when you are using
a 2x or a 4x Zoom. By default, the Zoom Depth is set to Auto and
automatically adjusts with the depth. You can adjust this setting to
zoom in at a specic depth.
Span (While Zoomed with Bottom Lock)—While using Bottom
Lock, this option replaces the Range option. Adjust this setting just
as you would the Range setting to expand or contract the zoomed
distance from the bottom.
Depth Line—turn on the depth line to quickly reference a specic
depth on the Full Screen, Split Zoom screen, or Split Freq screen.
While viewing a screen showing the Depth Line, press up or down
on the ROCKER to move the line.
A-Scope (Dual Frequency Transducer)—vertical asher that appears
along the right side of the screen. The A-Scope indicates structure
and bottom returns much like the Flasher screen (page 18). The
horizontal width of a signal in the A-Scope indicates the strength of
the signal.
Resetting the Odometer
If you are using a speed sensing transducer, an odometer is available
on the Numbers screen and the Flasher screen that tracks the
distance you travel.
To reset the odometer:
1. PressMENU.
2. HighlightReset Odometer,andpressSELECT.
3. HighlightYes, andpressSELECT.
Setting the Temp Log Duration and Scale
On Temp Log screen, press MENU to view advanced options.
Duration—set the scope of time along the bottom of the graph.
Scale—set the temperature span along the right side of the graph.