CHANGING GAS MIX. SCROLL THROUGH ENABLED MIXES BY PRESSING THE UP OR DOWN BUTTONS. SELECT NEW MIX BY

PRESSING THE SELECT BUTTON.

NOTE

NOTE

Mix number, O2%, He% and PO2 for the mixes are shown when scrolling. If the set PO2 limit is exceeded , it will be shown with the PO2 value blinking. The dive computer does not allow you to change to a gas whose set PO2 is exceeded. In such a case, the mix is shown but cannot be selected. If the PO2 is less than 0.18 bar, the dive computer gives an alarm.

If no button is pressed in 15 seconds, the dive computer will go back to the dive display without changing the gas mix. Upon ascent, the computer prompts you to change gas when the PO2 level you have set for the next mix allows a gas change. The prompt is an audible 3 beeps and the current O2 or O2: He mix starts to blink.

6.3. Diving in GAUGE mode

If set to GAUGE mode, the dive computer can be used as a bottom timer.

In the GAUGE mode, the total dive time is always displayed in minutes in the lower right corner. In addition, a Dive Timer in the center window displays time in minutes and seconds. The center window Dive Timer is activated at the start of the dive and it can be reset during the dive and used as a stopwatch by pressing the SELECT button.

BY PRESSING THE SELECT BUTTON DURING A DIVE, A BOOKMARK

IS WRITTEN IN THE PROFILE MEMORY, THE DIVE TIMER IS RESET,

AND THE PREVIOUSLY-TIMED INTERVAL IS DISPLAYED BELOW.

Tank pressure (if enabled) is also displayed during the dive.

NOTE

The GAUGE mode does not provide decompression information.

NOTE

If you dive with the GAUGE mode, it is not possible to change between

 

the modes before the no fly time (48 h) has counted down.

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Suunto HELO2 manual Diving in Gauge mode