Suunto Cobra2 [18/56] Error conditions
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Suunto Cobra2 [18/56] Error conditions

Suunto Cobra2 [18/56] Error conditions
Alarm reasonAlarm type
Preset alarm time is reached.
Current time is shown
Continuous beep series for 24 seconds or until any
button is pressed.
Current time blinks for one minute
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 ascend above 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 LIMIT FRACTION 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.
5.6. Error conditions
The dive computer has warning indicators that alert you to react to certain situations that
would significantly increase the risk of DCI. If you do not respond to its warnings, the dive
computer will enter an Error mode, indicating that the risk of DCI has greatly increased.
If you understand the dive computer and operate it sensibly, it is very unlikely you will ever
put the instrument into the Error mode.
Omitted decompression
The Error mode results from omitted decompression, i.e. when you stay above the ceiling
for more than three minutes. During this three-minute period the Er warning is shown and
the audible alarm beeps. After this, the dive computer will enter a permanent Error mode.
The instrument will continue to function normally if you descend below the ceiling within
this three-minute period.
Once in the permanent Error mode, only the Er warning is shown in the center window.
The dive computer will not show times for ascent or stops. However, all the other displays
will function as before to provide information for ascent. You should immediately ascend
to a depth of 3 to 6 m/10 to 20 ft and remain at this depth until air supply limitations require
you to surface.
After surfacing, you should not dive for a minimum of 48 hours. During the permanent
Error mode, the Er text will be displayed in the center window and the planning mode will
be disabled.
5.7. Air integration
The Cobra2 can be attached to the high-pressure port of the regulator, enabling you to
receive cylinder pressure and remaining air time data.
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