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This document explains how to fix a bottom sensor with to high tilt angle.

Background:
The tilt angle might get to high if the bottom sensors When the tilt angle is above 30 degrees the data is discarded and causes gaps in the echograms. This typically happens if the TILT-stop-knot gets loose, or slips on the cable. When We need the surface detection meter depth (Y) gets a certain % higher than the to be as close to Depth sensor (X) it can cause gaps in inspector and in some cases total outagesas possible.

See the illustration for more details.

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Instructions

  1. The bottom sensor TILT-stop-knot can be located as illustrated below.

    image-20240313-142539.png

    When the bottom sensor is at hand, re-attach the stop knot. The knot is illustrated below.

    image-20240313-134155.pngImage Removed

Include Page
SOP: Knot type: Stop knot for echosounders
SOP: Knot type: Stop knot for echosounders
Info

It is important that there is more than enough slack on the cable below the knot, to make sure the knot takes the beating and not the connector on the sensor

Info

When the knot is done, test it by trying to force it up- or down the cable. If you are unable to do so, the knot is secure.

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