Aqualab english manual

Oxygen mix ratio setting modeThis mode is disabled during the first ten minutes of Surface time and during the dive.Operation of switches(beginning from “ Surface Mode”)• Switch APress this to switch or to return to dive plan mode.When in dive plan mode, "30 feet" ("9 m") is displayed as the depth rank.• Switches A + BIn dive plan mode press and keep pressing switch A then press and keep pressingswitch B for at least 6 seconds in order to enter function oxygen mix ratio settingmode.• Switch BPress this switch to increase the currently set oxygen mix ratio in 1% steps. When thissetting exceeds 50%, the mode automatically switches to Air mode.• Switch C (Water detection switch)When water is detected, the computer switch to dive mode automatically.• Auto returnThe AQUALAB dive computer automatically switches to surface mode if no switchesare pressed for about 1 or 2 minutes.Description of functionsThe functions of the oxygen mix ratio setting mode are further described below.• FO 2Values can be set from 21% (Air) to 50% in 1% steps.When the current setting is between 22% and 50%, the NITROX indicators are shown.13