If your dive computer is experiencing spontaneous resets, flickering, low battery life, or fluctuating battery levels, then this article will tell you how to fix this problem.

For those out there with this very enquiry, here is a step-by-step guide on how to determine if your unit is a Petrel or a Petrel 2 if you have a Stand Alone or Fischer

Watch this video on how to mount your NERD using this handy mounting too.