Mindray VS-900, Operator'S Manual

Page: 106 / 192

11-6
2. Set [ BTPS Compensation ] to [ On ] or [ Off ].
11.7.7 Setting Gas Compensation
The presence of interfering gas affects the CO
2
measurement. To get the best possible
measuring result, it is needed to set the gas compensation. The configured concentration
of the interfering gas should be in accordance with its actual proportion.
WARNING

Make sure to use the appropriate compensations. Inappropriate compensations
may cause inaccurate measurement values and result in misdiagnosis.
To set the gas compensation, follow this procedure:
1. Select the CO
2
numeric area or waveform area to enter the [ CO2 Setup ] menu.
2. Set the O
2
, N
2
O and AA compensation according to the actual amount of the
respective gas in the ventilation gas mixture.
11.7.8 Automatic Barometric Pressure
The CO
2
module has the function of automatic barometric pressure compensation.
11.7.9 Calibrating the CO
2
Module
A calibration should be performed once a year or when the readings go far beyond the
range. For details, refer to
16.6.3 Calibrating CO2 .