LOGBOOK MEMORY: SCUBA mode - 40 hours with records every 5” FREEDIVING mode - 18 hours of activity with records every 2” Safety warning: MOD exceeded alarm, deco stop violated alarm, ascent speed alarm, NoFly time and desaturation calculations, maximum permitted altitude warning Ultra-durable structure treated for improved resistance to blows, corrosion, and swings in temperature LCD screen with contrast and adjustable-intensity backlighting Easy to use with 3 main modes: SCUBA MODE - full management of recreational dive profiles with a Bühlmann ZHL-16C decompression algorithm for 1 or 2 mixes (air, Nitrox, and mixes with O2 concentrations up to 99%). GAUGE MODE - Depth gauge and stopwatch for managing your dive profiles independently. FREEDIVING MODE - Dive/surface time, current/maximum depth.
