Interpreting The Display; General - Furuno CSH-5 MARK-2 Operator's Manual

General

Interpreting the Display

(a) Flat Seabed
Tilt Angle: 10 - 15
(b) Flat Seabed
Tilt Angle: 20 or more
(c) Slanting Seabed
Tilt Angle: 20 or more
8. INTERPRETING THE DISPLAY
This section provides information necessary for interpreting the display.
Seabed
When the tilt angle is changed, the seabed echo illustrated below will
appear on the screen. When the tilt angle is decreased, the seabed
trace becomes wider and weaker. By observing the seabed condition
on the screen, the skipper can prevent the net from being damaged by
a reef or a shipwreck.
Seabed
Echo
Narrow tilt angle;
only half of vertical
beam width captures
the seabed.
Seabed
Echo
Seabed is displayed
narrower and in a
stronger echo colors
compared to (a).
A shallow bottom is
displayed in a strong
echo color and with
a short tail.
Seabed
26
The deeper
seabed
echo in a
displayed in
a weak
color and
with a long
tail.