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Hello, My cootwo just started losing its oxygen calibration every time it's powered off. When I turn it back on, it always reads "O2 Cal Expired" and I have to go through the calibration again. The sensor seems to be reading ok. Is there any way to fix this? Should I replace the sensor?

Hello, My cootwo is telling me I need to replace the sensor and perform a CO calibration. I sent an email regarding this to customer.service@divenav.com 3 days ago but haven't received a response. Can I perform the CO calibration myself somehow? Where do I get replacement sensors? Are there...

Hey everyone, Check out this video I made from a trip to Freeport, Grand Bahama a few weeks back. Feedback is appreciated!

Hello, I sent a question a couple of weeks ago regarding my cootwo using the only contact option available from your website here: DiveNav , but I never received a response. I'm fairly certain I need to send my unit in for repair; it's not turning on anymore. Is there someone I can talk to...

Hello, I'm selling my Oceanic OCI with transmitter. It's a great computer but the I ended up with a Shearwater Perdix because it fits the type of diving I'm doing more. I've only dove with it 33 times and recently had the battery replaced about 2 months ago. It's still under warranty until...

Hi everyone, I just got back from a trip to the Caymans with my LDS. This is my second diving video, hope you enjoy and I appreciate any feedback :)

Hi there, I have an Atomic Sub-Frame mask which I liked at first because it sealed well on my face. After wearing the mask for about 45 min, I noticed there is a ridge on the skirt that presses right between my eyes. At depth this is fairly pronounced, and after three 45-min dives in one day...

Hey everyone, I recently took a trip to Vieques, Puerto Rico and tried out my new GoPro HERO 4 Black. The editing was done in Adobe Premiere Pro 6. I'd love to hear some feedback! Video:

Hi Everyone, I'm still looking for a teammate to do fundies with me and instructor Kyle Harmon from Feb 11th to 14th in High Springs, Florida. If you're interested, please PM me and we'll go from there! Cheers, Mike

Hello everyone, I've been reading a lot about DIR and would love to improve my skills. I'm trying to locate an instructor near me. I looked on the UTD website at instructor profiles but the website doesn't provide their general operating area. Are there any UTD instructors in the NYC area...