Hardly Used Xtender Blue - Ladies. Still in Box...
The Scubapro Xtender has a pre-set ppO2 of 1.4 bar and, unusually for such a simple computer, it can be set to up to 100% O2. Nitrogen-loading is indicated by a graphic that grows up one side of the display, while the oxygen-loading builds up along the opposite side of the watch-face. That's for those who have trouble understanding numbers