■Gauges
Choose a luminous scale that you can read numbers easyly even in dark places. |
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■Whistle / Horn
Attach it to BC.
At night, there is limited visibility on the water surface, so in an emergency use a whistle or horn to let other diver your position know.
It is also effective for distant divers who have difficulty hearing your voices. |
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■Main light / Backup light
Lights are the most important equipment for night diving and poor visibility diving.
They are used not only for observing living things, but also as a substitute for hand signals.
Use dedicatedone for diving that can withstand the shock and water pressure during diving.
All hand-held lights should be equipped with a wrist strap that is long enough to be easily picked up when you remove it from the hand. |
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The main light is a hand light used during diving. |
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The backup light is a spare hand light used when the main light is out of order.
The backup light should be small and not bulky to carry. |
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The illumination range and light intensity of the light vary depending on the product.
Use a light that has a wide illumination range and allows light to reach a long distance as the main light. |
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