Chapter 5
CVS-833/833C
Basic Operation
Point A
Fish school
Point B
Point A
Ultrasonic energy
Sea surface
Point B
Ultrasonic
energy
Figure 5.3
Profile of Sea bottom
Figure 5.2
Ultrasonic sound scans past the objects
5.2.1 Screen presentation
In addition to the sounder image, various data including own ship’s position, speed, temperature,
distance traveled and the sea bottom depth are shown on the screen. These data can be deleted, if
required.
Transmitting line
Echoes of the Sea bottom
Ship’s position
Ship’s Bearing
Ship’s speed
Water temperature
Depth
XXXX
XXX
°
XX.
XXXX
XX.X
℃
XX.X
°
XX.Xkt
XX
°
XX.
XXXX
Reflections from the sea
surface
Echoes of a fish school
Figure 5.4 Typical sounder screen with data shown
5-2
0093132902-03