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51
Marks and Data
This section explains the Marks and Data available from the equip-
ment interfaced. Pages 24 to 25 show the location of these Marks and
Data.
The position data of the latest event mark, i.e., horizontal range (→),
present depth (↓) and bearing. ( ) shows the latest event mark
original depth which remains unchanged even if ship moves or tilt angle
is changed. When the event mark is erased on the MENU screen, the
above data disappear from the screen.
You can plot up to 10 own ship’s marks on the course line. The mark can
be erased on the MENU screen.
The electronic bearing scale is available with gyrocompass connection. It
rotates with own ship’s movement.
The own ship’s course line is plotted by a solid line when gyrocompass /
speed log or a navigation device (GPS or Loran C) is connected.
The course line length is selectable from 5 or 10 times the range in use.
You can erase the line by the MENU screen.
When a current indicator is connected, the current mark shows the speed
and direction of three current layers, numbered 1 through 3. The current
speed is indicated by the length of the vector. However, no vectors are
developed if the current speed is 0.1 knots or less. The vector shows
current direction. The current mark can be erased on the MENU screen.
In the Normal Mode (with Text), current speed and direction for three
current layers appear in the text area. The display method for the current
direction can be selected on the MENU screen.
Own ship’s speed(S), heading(C), water depth(D) and water
temperature(T) can be displayed on the text area when appropriate
equipment are interfaced.
Own ship’s position is shown in the Normal (with Text) mode (Position
fixing equipment is required.)
The north mark is available with gyrocompass connection.
In the target lock mode (automatic echo tracking), the target lock mark
appears when the [R/B] key is depressed. To erase the mark, press the
[R/B] key again.
Latest Event Mark
Data
Own Ship’s Mark
Elecrtonic Bearing
Scale
Course Line Mark
Current Mark
Tridal Current Data
Navigational Data
Own Ship’s Position
Data
North Mark
Target Lock Mark
N
S
WE
1
3
2
New Marks and Data
Description
B
)(
°
S: .
C:
D:
T: .
° .N
° .E
C1: .
C2: .
C3: .