accurate detailed answers || ||
How do you set a dive float? (Study Objective) - ✔✔Weight belt or weights on a line, small
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anchor, auger to screw into soft bottom, line or clips to tie or clip to mooring or inanimate object
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Be familiar with the float and attachment method
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Have a good idea of where you'll set the float
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When anchoring, angering, tying, or clipping: don't damage or disturb aquatic life and think about
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about where descending divers will land
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Consider how water movement, current, and tide will affect the float
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Plan your dive to remove float or get it at the end of the day
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What is the purpose of surface marker buoys and how do you properly use various types? (Study
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Objective) - ✔✔Marking boundaries for mapping || || || || ||
Marking locations, routes, and boundaries for search and recovery operations
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Alerting boat traffic to diver presence || || || || ||
Allowing people on boat or shore to identify divers' locations || || || || || || || || ||
Providing visual reference for ascent || || || ||
,Delayed surface marker buoys || || ||
If securing the buoy, don't disturb aquatic life
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If towing, hold the line or reel so you can let go
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Don't attach it to equipment
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Be aware of the line and avoid entanglement with other divers
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As a divemaster, what signaling and safety devices should you carry and know how to use? Study
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Objective) - ✔✔Two surface signaling devices: one audible and one visual
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Whistle or air horn || || ||
Signal mirror, surface marker buoy, inflatable signal tube, emergency strobe
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Considerations when setting a dive float: - ✔✔Finding insensitive bottom for anchoring || || || || || || || || || || ||
Accounting for current, waves, and tide || || || || ||
Considering where divers descending the line will "land" || || || || || || ||
Retrieving the float at the end of the dive day || || || || || || || || ||
True or false: a surface marker buoy may be used to mark the location of a buddy team or group -
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✔✔True
, PADI Standards require certified assistants to carry: - ✔✔both an audible and a visual signaling
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device
What are the general steps for mapping a dive site and what elements do you include in a dive site
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map? (Study Objective) - ✔✔Gather tools: compass, large slate and pencil, surface marker buoys,
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line or measuring device, paper, ruler, protractor, computer program
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Determine map boundaries: identify a central or reference points, get in the water and map those
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points
Choose a search pattern || || ||
Work together: one controls pattern while other counts kick cycles and keeps notes
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Note features and distances
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Note distance when you hit specific depths to show contour
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When you've gathered all data, create your map
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Tools that are helpful for creating a dive site map include: - ✔✔Measuring device
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Compass
Large slate and pencil
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Surface marker buoys || ||