The VPM upgrade is supported only by the current firmware version of your computer and only when set in technical open-circuit or rebreather modes (i.e. recreational open-circuit mode is always Bühlmann.) An unlock code to enable the feature in the firmware is returned to you via E-mail within 72 hours.
Computer Divesoft Freedom is dedicated to technical and recreational divers. Six different versions allow for perfect selection for your own career diving. The opportunity to upgrade to a higher version at any time. A choice of gauge, nitrox, advanced nitrox, trimix and CCR.
Dive computer for technical divers with trimix and rebreather function (Fixed SP)
Perdix is a continuation of the well-known and respected in the market dive computer Petrel. Smaller, more trips and more compact Perdix has a mode OC, CCR in both recreational and technical.