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Chapter 3: Operating Instructions
6 - Transducer frequency
The transducer can use two frequencies - 50 kHz for wide
coverage, or 200 kHz for a detailed view. You can also set the unit
to use both frequencies at the same time ("dual frequency"). (For
more on this, see "Choosing the Frequency.")
7 - Boat symbol
This symbol is always turned on. It indicates that the new
information appears at the right edge of the display, and the older
information moves toward the left.
Center of display
8 - Water surface
This symbol ("0") shows the depth indicated by the top of the
display. Usually, this is the level of the surface of the water. The
depth is shown using the same units as the rest of the display. This
could be feet (FT), fathoms (FA), or meters (M), depending on the
setting you make in the System Setup display. (If the Zoom feature
is turned on, this symbol shows the depth of the top of the zoom
area. If the Bottom Lock feature is turned on, the symbol shows the
depth of the top of the viewing area.)
9 - Depth markers
These markers show depths between the surface and the full depth
range. In this example, the unit is set for a depth range of 100 feet.
This means that each of the depth markers shows an interval of 25
feet.
10 - Speed
This entry shows the speed of the boat through the water. From the
System Setup display, you can turn this item off or change the units
used for this display.
11 - Log/distance
This shows the distance traveled since the unit was turned on, or since
the log was last reset. By pressing the Menu button, you can use the
System Setup Soft Key to turn this item off or change the units used for
this display. You can also use the Log Reset soft key to reset to zero.
12 - Water temperature
This entry shows the current water temperature at the surface of
the water. (The reading for water temperature can be helpful for
35
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