Tusa ZEN - Set FO2 50% Default

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• Pressing and releasing the A button momentarily (< 2 sec)
will save the setting and access Set FO2 50% Default.
• Depressing the A and S buttons simultaneously for 2
seconds will save the setting and revert to the Set F screen.
• Depressing he M button for 2 seconds, or if no button is
pressed for a period of 2 minutes, operation will revert to
the NORM (or GAUG) Surface Main screen.
Set FO2 50% Default information includes (Fig. 35):
> Graphics FO2, dFLT, and 50
> Set Point graphic OFF (or ON), flashing.
• Pressing and releasing the S button momentarily (< 2 sec)
will toggle between OFF and ON.
• Pressing and releasing the A button momentarily (< 2 sec)
will save the setting and revert to the Set F screen.
• Depressing the M button for 2 seconds, or if no button is
pressed for a period of 2 minutes, operation will revert to
the NORM (or GAUG) Surface Main screen.
Fig. 35 - SET FO2 DEFAULT