5-14
5. 4. 14. STC Level
Eliminates near-distance echo noise from the STC range setting. The setting range is
from 0.0 to 10.0. When the numerical value is increased, echo noise is eliminated, and
when the value is reduced, echo noise increases.
5. 4. 15. Screen Mode
The Screen Mode is used to change the sonar screen mode. There are several modes.
For more details, refer to Chapter 6.
5. 4. 16. Sub Area 1
5. 4. 17. Sub Area 2
5. 4. 18. Sub Area 3
5. 4. 19. Sub Area 4
Sub Area 1 to 4 are used to select the sub area mode from several modes. The mode
can be changed without opening the sub area mode menu.
5. 4. 20. TM/RM
(1) RM/HU
In this mode, the bow of the ship always points at the top of the screen. The position of the ship is
fixed at the center of the screen. The reflected image of the fish school moves around on the
screen relative to the movement of the ship. Normally, the system is operated using these settings
for finding the fish school.
(2) RM/NU
In this mode, the top of the screen always points north. The ship is fixed at the center of the
screen and the mark representing the ship turns as the ship changes its courses. The reflected
image of the fish school moves around on the screen relative to the movement of the ship.
(3) TM true bearing (RM C/U)
In this mode, the top of the screen always points north and the fixed objects are displayed at their
fixed positions on the screen. The reflected images of the ship and the fish school move around
on the screen in accordance with their movements. This mode is used to observe the movements
of the ship and the fish school. Data on the ship speed and the bearings is required in order to
observe these movements.
When the ship gets out of the screen, the screen automatically changes so that the ship is
displayed at the center of the screen once again.
Summary of Contents for KCS-5200
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