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2. SYSTEM MENU
2.1 How to Display the
System Menu
The [System] menu mainly consists of items
which do not require regular adjustment.
1. Press the MENU/ESC key to open the
menu.
2. Select [System]. For [Tests], and
[Restore], see chapter 3. See chapter 4
for “NMEA”.
2.2 Range Menu
[Range 1] - [Range 8]: Set range
of each of the eight ranges
(available range: 7 to 4,000 ft).
Note that all default ranges are
restored whenever the depth unit is changed.
Therefore, change the depth unit before
changing the preset ranges.
Note: The deepest detection range of Auto
Range is the largest setting of [Range 1] to
[Range 8] of Manual Range. In case the sea
bottom is deeper than the largest setting of
Auto Range, set the setting of [Range 1] to
[Range 8] deeper than the sea bottom.
[Zoom Range]: Select the range
to zoom in the bottom zoom and
marker zoom modes.
[B/L Range]: Select the expan-
sion width for the bottom lock
display.
2.3 Key Menu
[FUNC Key]: Select the item to program to
the FUNC key. The programming can also be
done by long-pressing the FUNC key.
See paragraph 1.18.2.
[Key Beep]: Turn key beep on or off.
2.4 Language Menu
Menus shown when
[System] is selected.
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