Installation manual

Introduction

851--160117 / B

6.4 Alignment of the sonar picture

If the Hull Unit is installed differently from the recommended

orientation shown in figure 6 in the section “Installation

procedures”, carry out the following procedure to align the sonar

echo picture on the display:

j Estimate the approximate angle (0° -- 360°) which the 0°

mark on the Hull Unit differs from the centre line,

referred to the bow.

j Turntheechopictureonthedisplayinthe followingway:

- Move the menu cursor below PP FILTER to

CONSTANTS in the extra menu and push enter.

- Move the cursor to ALIGNMENT and push enter.

- Select the estimated angle by pushing the menu joystick

up or down.

j Check if the echo picture on the display is correct in

relation to the ambient situation. If not, make a fine

adjustment of the alignment.

In order to make a correct alignment, a particular target such as a

buoy is needed. When the alignment is correct, write the angle

here:

ALIGNMENT CORRECTION:................................................°