Suunto D9 Watch User Manual


 
Table 5.3. Oxygen alarms in NITROX mode
Alarm reasonAlarm type
Set oxygen partial pressure limit is exceeded. The
alternative display is replaced with a current blinking
PO
2
value. You should immediately ascendabove the
PO
2
depth limit.
Continuous beeps for 3
minutes and activated
backlight
OLF value reaches 80%. The OLF value will start to
blink.
OLF value reaches 100%. The OLF value will blink.
NOTE
When the backlight is turned OFF, it does not illuminate when an
alarm is activated.
WARNING
WHEN THE OXYGEN LIMITFRACTION INDICATES THAT THE
MAXIMUM LIMIT IS REACHED, YOU MUST IMMEDIATELY
ASCEND UNTIL THE OLF VALUE STOPS BLINKING. Failure
to take action to reduce oxygen exposure after the warning is
given can rapidly increase the risk of oxygen toxicity, injury, or
death.
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