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Hello, i am new diver but i am interested in technical diving and i am getting equipment to be ready for tech diving after 150-200 rec dives.I have already Cressi Spacefrog fins but i am looking for new pair of fins. I am wetsuit diver for now,i think i won't use drysuit for 4-5 years. I am...

Hey everyone I’m just having some problems with changing the gas to air on my i750tc. Under the “Set Gas” screen next to Gas 1, I cycle through the options and it jumps from 100% to 21% which is skipping the “air” option which should be between the two. Has anyone had this issue before? What...