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DACOR SPG with BOTTOM TIMER Question

Posted: Mon Apr 20, 2015 3:05 pm
by Bronze06
Hey Folks,

Got this 1980s (I guess)DACOR SPG and Bottom Timer up and running. Doesn't leak. BUT HOW THE HELL DO YOU RE-SET IT TO ZERO FOR THE NEXT DIVE???!!!#@#@[email protected]! It definitely liked the new battery. Any clues, oh diving nabobs and potentates? :?: