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Table 2-2 Optional markers and data description
Latest Event Marker
Data
→
↓
()
B
°
Tidal Current Data
C1: .
C2: .
C3: .
Course Line Marker
Electronic Bearing
Scale
The position data of the latest event marker, that is, horizontal range
(
→), current depth (↓) and bearing. ( ) shows the latest event
marker’s original depth, and remains unchanged regardless of ship’s
movement or tilt angle. When the event marker is erased the above data
disappears from the screen.
To erase an event maker, place the trackball maker on the event marker
and press the EVENT key.
You can plot ten own ship event markers on the course line. This mar-
ker can be erased.
The electronic bearing scale is available with gyrocompass connection.
It rotates with own ship’s movement.
N
S
WE
With gyrocompass or speed log connection, own ship’s course line is
plotted by a solid line. Course line length is selectable from 5 to 10
times the range in use. Course line can be erased through the menu.
In the normal mode plus text, tide speed and direction for three tide
layers appear in the text area. The method for displaying current
direction can be selected through the menu.
Nav Data
S: .
C:
D:
T: .
Own Ship Data
°
.N
°
.E
Own ship speed(S), Heading(C), Depth(D) and Water temp-
erature(T) can be displayed on the text area. (Requires appropriate
sensors.)
The north marker is displayed with gyrocompass connection.
1
3
2
North Marker
Marker Description
With current indicator connection, the tidal current marker shows the
speed and direction of three tide layers, numbered 1 through 3. The tide
speed is shown by vector length. However, no vectors develop if the
tide speed is 0.1 knots or less. Tidal current markers can be erased.
Tidal
Current
Marker
Own Ship
Event Marker