Nonin LS1 Operator's Manual page 40

Alarm Limit Settings
WARNING: Ensure that all alarm volumes are audible in all situations. Do not cover or
obstruct any speaker openings.
CAUTION: Setting alarm limits to extremes can render the alarm system useless.
!
CAUTION: The monitor is equipped with automatic barometric pressure
!
compensation. End tidal pCO
atmospheric pressure of 760 mmHg and pH
713, 713 x 5% = 36 mmHg).
values displayed are calculated based on an
2
O of 47 mmHg (example: 760 – 47 =
2
33