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SECTION 2 · 10 LESSONS

Know your equipment

Recognise the main pieces of scuba equipment and understand what each one does.

Start with lesson one

Your ten lessons

Each lesson includes an illustration, a visual explanation, a reference table and a knowledge check. Work through them in order or revisit a question.

  1. 01

    Your mask and vision

    Identify the main parts of a mask and the importance of fit.

  2. 02

    What a snorkel does

    Describe the surface role of a snorkel.

  3. 03

    Fins and footwear

    Compare fin styles and the footwear they are designed around.

  4. 04

    Exposure protection

    Recognise why suit choices depend on conditions and the wearer.

  5. 05

    Understanding the BCD

    Recognise the role of a buoyancy control device.

  6. 06

    Regulators and breathing gas

    Explain the broad function of a regulator system.

  7. 07

    Cylinders and their labels

    Recognise a cylinder as a documented pressure vessel.

  8. 08

    Gauges and units

    Distinguish cylinder pressure from depth.

  9. 09

    What a dive computer knows

    Distinguish measurements, settings and modelled information.

  10. 10

    Accessories with a purpose

    Connect an accessory to a specific use and learning need.