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Piloting in Low Visibility
When piloting in low visibility, there are several techniques that can be used to help you navigate to your objective
or find and observe your target.
Rather than navigate underwater to the target, navigate on the surface to a point above the target and try to
drop down on the target. If you can operate above the target in a vessel, you can drop a weighted line and
follow the line to the bottom.
Do not always assume more light will help - you may find that you can pick up shadows of objects from
ambient light alone.
Switch the main camera to Black and White mode. The Black and White mode has a lower lux rating.
Use the
DSS mode
of the main camera to enhance the video image in low light situations. This method
will reduce the frame rate, so it may not work while moving, but if you can set the ROV on the bottom or
against a hull, you will be able to see in near darkness.
Depending on the objectives, depth and distance, low visibility may require an accessory like the
enhancement
system,
sonar
and/or a
position tracking
system.
188
LYYN visibility
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