SUUNTO D9 - Manual (Page 71)

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allow change to a gas which set PO2 is exceeded. In
such a case the mix is shown but cannot be selected
(Fig. 6.20)
- Select mix by pressing SELECT.
- If no button is pressed in 15 seconds the D9 will go
back to dive display without changing gas mix. Upon
ascent the D9 prompts you to change gas when the
PO2 level you have set for next mix is allowing a gas
change. The prompt is an audible three beeps and
the current mix O% starts to blink.
NOTE: The D9 will not let you switch to gases which maxi-
mum PO2 levels are exceeded.
6.3. DIVING IN GAUGE MODE [DIVEGAUGE]
If set to Gauge mode, the dive computer can be used as a
bottom timer or as an freediving instrument.
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 (Fig.
6.21). 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 (Fig. 6.22).
Fig. 6.23. Activating the
compass from dive mode.