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7. FISH FINDER OPERATIONS
7-2
7.2 Fish Finder Display
The fish finder screen provides a “picture” of the echoes found by the fish finder. Ech-
oes are scrolled across the screen from the right position to the left position. The num-
ber of minutes an echo is displayed on the screen is controlled by the picture advance
speed.
The echoes at the right position are the current echoes. These echoes can be from
individual fish, a school of fish, or the bottom. Depth to the bottom is indicated always,
provided the gain is set correctly.
Both low and high TX frequencies are provided. (Frequencies depend on the trans-
ducer connected.) The low frequency has a wide detection area, which is useful for
general detection and understanding bottom conditions. The high frequency has a
narrow beam width that helps you inspect fish.
The range, gain, clutter and TVG can be adjusted automatically according to your pur-
pose (cruising or fishing) to let you do other tasks.
The color bar at the left edge of the display shows the range of colors used to display
different echo strengths. Weaker echoes appear in colors near the bottom of the bar,
and stronger echoes appear in colors near the top.
Note: The depth indication on the fish finder display is the sounding value from the
internal fish finder. The DEPTH indication in the data box is the sounding value from
the equipment selected in the [INTERFACE] - [SELECT INPUT DEVICE] menu. Then,
the depth value in the data box can be different if the data is fed from an external de-
vice.
Color
bar
Depth
indication
School of
fish
Elapsed time,
VRM depth
Frequency
(LF or HF)
Mode (Fishing,
Cruising or Manual)
Auto Range
(No indication for
manual range)
Range
scale
Bottom echo
Zero
line
Minute marker
(each bar is equal
to 30 seconds)
VRM
Appears when simulation
mode is active.