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4-7
Mark Description
Target Lock Mark The target lock mark automatically tracks the fish school selected
by the operator. This function requires speed and gyrocompass inputs.
Net Shooting Mark
Net Shooting Data
Press the SHOOT key at the instant you shoot the net to display the
net shooting mark on the display. The net shooting mark is drawn
at own ship’s position the moment the key is pressed and moves on the
own ship’s track mark with ship’s movement. In addition to the
mark, time elapsed and * distance run (in meters) appears from the
time the key is pressed. The mark and its data remain on the screen
until the SHOOT key is pressed again.
Net Sonde Mark
(10 pts. max)
These marks appear on the *ship’s track mark in order at set intervals,
when a net sonde is connected. In the echo sounder combination
mode they also appear in the echo sounder picture, showing depth of
the net sonde transmitters with bars extending from the marks.
E/S Picture Advance
Range Data
z , / /
Picture advance on the echo sounder combination mode automatically
changes to ship’s speed dependent (advance) rate from the moment
the SHOOT key is pressed, provided there is speed log input. The
E/S picture advance range data shows the distance between the right
and left edges of the echo sounder picture window in the ship’s speed
dependent advance. Since the net length plus wire length set on the
DATA SET menu is used as this distance data, the echograms
obtained during casting the net are displayed just across the E/S
window. Set net length and wire length on NET SONDE in the DATA
SET menu.
Control Setting
When the switches listed below are operated the new setting is noted
at the top of the screen in larger characters for five seconds. The auto
tilt width and auto scan width also appear upon turning on the AUTO
TILT and AUTO SCAN functions.
Control, Display Control, Display
RANGE R
TILT T
GAIN G
TVG TVG
TX TX
AUTO TILT
AUTO SCAN
BRILL
DIM
Color Bar
The 16-color bar appears at the right-hand edge in the echo sounder
and history displays.
E/S Range Scale
The range scale for the echo sounder picture appears in the echo
sounder combination mode. You can display it on the right or left
side of the screen by selecting ES/NET REC on the INIT SET/TEST
menu.
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