Installation manual

Simrad SD570

850--160139 / A

POSITION TRACK

This tracking programme is only fully activated when both

course gyro and speed log are connected to the sonar system.

Placethe cursor on thepositionto be tracked and press the button.

A geographically fixed circle is then displayed, and the sonar will

automatically track this position. The track sector angle is set by

the SEARCH SECTOR buttons.

When auto tilt is used in position track, the tilt centre will

automatically be adjusted in accordance with the distance to the

tracked position.

TARGET TRACK

The target tracking programme is activated by moving the cursor

ontothe target, andthenpushing thebutton. A circle is displayed,

and the sonar will track the strongest echo situated within the

”window” indicated by the two lines on the bearing line. The

window size may be changed by accessing the track window

menu (chapter 5.13).

A line starting at the target’s centre of gravity indicates the course

and speed of the target. The length of the line increases with the

speed, and one knot is indicated with a small mark on the line.

A course line is also displayed showing the target’s track. All

target readouts are given a light violet colour, and in addition to

the readouts on the catch data page (refer to chapters 5.24 and

5.25), the speed, course and distance can for some modes also be

found in the lower left-hand corner.

When auto tilt is used in target track, the tilt will automatically

track the strongest echo.

Notethat the manualtrainingcan beused to override the tracking

programme.

SEARCH SECTOR

The search sector is only displayed in the automatic training

programmes. The sector may be adjusted between 22° and 360°

for any centre bearing.

In the auto search and position tracking programmes, the search

sector is used for setting limits for the audio search.

In the target tracking programme, the search sector may be used

to override the tracking limits.