Learn how to install door sensors on the trawl gear.
Door sensors need to be installed in pockets welded on trawl doors. Carefully read these installation principles before installing sensor pockets.
You need to install pockets on each trawl door to hold the door sensors.
You need to install Spread sensors in pockets welded to the trawl doors.
You need to install Slant Range sensors in pockets welded to the trawl doors.
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