1. System Introduction
1-10
1.9 Fish Finder Introduction
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
separate 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-frequency TX frequencies are provided. (Frequencies depend on
the transducer connected.) The low frequency has a wide detection area, which is for
general detection and understanding bottom conditions. The high frequency has a
narrow beam 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 scale,
and stronger echoes appear in colors near the top.
Color bar
Depth
VRM
Status bar
Text message area
Data boxes
Depth scale
Bottom echo
Frequency
selector icon
Water temperature scale and graph*
* Requires water temperature sensor.
**ACCU-FISH feature estimates length of individual fish.
(Requires Transducer 50/200-1T and either DFF series network sounder or LCD Color Sounder FCV-1150.)
Sensor icons
Minute marker
(dark yellow
and white
alternately,
30 s each)
Zero line (reddish brown)
Elapsed time (from right edge to vertical line)
Fish symbol**
34
Gain adjustment
window
(normally hidden)
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