Simrad SD570, Руководство оператора

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Modes of operation
3
850--160138 / A
2.2 Bow up
In this mode the ship symbol is stationary in the centre of the
screen, with the bow pointing upwards. The echo presentation
can cover 360 degrees around the ship, and if OMNI is selected,
all echoes will be updated for each ping. The distance from the
ship symbol to the echo ring is equal to the selected range.
Figure 1 - Bow up
The movement of the echoes across the screen will be a
combination of the ship’s course and speed and the targets’ own
movement. Figure 1 shows the Bow Up mode with a school of
fish in manual and automatic target tracking. The manual
tracking data is shown in the lower right--hand side of the echo
field, and the automatic tracking data is shown in the lower
left--hand side. The menu field shows the submenu for the
MODE selection.