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4-6
*Ship’s Track Mark
With gyrocompass or speed log connection, own ship’s track is plotted
by a solid line. The track length can be selected among 5, 10, 20 and
40 times the range. When the length exceeds designated length the
track is erased so that its length is equal to the designated length.
Nav Data
Own Ship Data
With appropriate sensors speed (S), course (C), water depth (D) and
water temperature (T) can be displayed on the text window, echo
sounder combination display, or history display.
1
3
2
Mark Description
*Tidal
Current
Mark
Tidal Current Data
Normal Mode
Combination Mode
This mark can be displayed with current indicator input. The current
marks are displayed on the net shooting mark ( ) and net sonde
marks ( ). The current markers shows tidal current sped in
three layers (1—3) selected on the current indicator. The tidal current
speed is shown by the length of the current mark. Note however that
no current mark appears if the tidal current speed is less than 0.2 kts.
Current direction can be shown as "to" or "from" by selecting
CURRENT VEC-Current Flow Dir on the USER menu. In the normal
mode with text, speed, direction and depth of the current are shown
for three layers (C1, C2, C3). In the echo sounder and history modes,
only the speed appears (C1, C2, C3), on the echo sounder or history
display.
*Net Sonde Data When the net sonde is connected, the depth of the net sonde trans-
mitters appears in the text window, echo sounder, or audio area.
With navigation input position can be displayed in latitude and long-
itude, in the normal mode only.
Estimate Mark
Estimate mark
data
The estimate mark gives relative fish quantity. Press the ESTIMATE
key. The estimate mark data appears below the mark. The fish amount
is assessed as between 0 and 100, where if the mark is filled with the
strongest echo color reddish brown, the amount is regarded as "100."
The size of the estimate mark can be changed with MARK SIZE2-
Estimate Mark on the SYSTEM menu.
S1 :
S2 :
S3 :
E.
°
N.
°
S :
C :
D :
T :
.
.
C1 : .
C2 :
.
C3 : .
C1 : .M
C2 : .M
C3 : . M
(Continued on next page)