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Atmos Pro/Aeris 300G
RESPONSIBLE COMPUTER DIVING
Since the advent of dive computers, it is a common mistake to assume that the old traditional rules of diving
no longer apply, but the truth is just the opposite. Before you dive using your Atmos Pro/Aeris 300G, keep
these basic rules in mind:
• Plan each dive, and dive your plan - Your computer was not designed to make decisions for you, only
to provide you with the information you need to make responsible decisions for yourself. This begins with
a dive plan that will help you avoid a low air or decompression situation.
• Do not plan any dive that exceeds your training or experience level.
• Inspect your computer before every dive - If it shows any signs of damage or abnormal function, DO
NOT dive with it until it has received factory service.
• Make your deepest dive first - When making repetitive dives, it is imperative to ensure that each con-
secutive dive is shallower than the one before. This will allow your body's slower tissues to continue out-
gassing nitrogen.
• Make the deepest part of your dive first, and gradually work your way to the surface using a
“staircase” profile - The ability to perform multilevel diving is one of the most important contributions
of a dive computer, and you should take advantage of it. It will increase your bottom time and at the
same time decrease your risk of decompression sickness.
• Ascend slowly by following an ascent line whenever possible, or by ascending diagonally to-
ward the surface - Watch the Ascent Rate Iindicator closely while you ascend, and keep it in the green
zone as much as possible.
• Make a safety stop at 15-20 feet (4.5-6 m) at the end of every dive - A safety stop of as little as 5
minutes has been shown to have a dramatic effect on the bubble formation in divers. It's important.
Don't forget it.
