Mindray BeneVision N Series User Manual

BeneVision N Series Patient Monitor Operator’s Manual 23 - 7
23.6.2 Zeroing the Mainstream CO
2
sensor
For mainstream CO
2
modules, the sensor should be zeroed in the following conditions:
■ Before each measurement.
■ A new adapter is used.
■ Reconnect the sensor to the module.
■ The message CO2 Zero Required displays. In this case, check the airway adapter for any blockage, e.g.
mucus, etc. If a blockage is detected, clear or replace the adapter.
To zero the sensor, follow this procedure:
1. Connect the sensor to the module.
2. In the CO2 menu, select Setup tab.
3. Set the Operating Mode to Measure. The message CO2 Sensor Warmup is displayed.
4. After warm-up is finished, connect the sensor to a clean, dry airway adapter. The adapter should be vented
to the air and isolated from CO
2
sources, such as ventilator, the patient’s breathing, your own breathing, etc.
5. Select Zero in the CO2 menu. The message Zeroing is displayed.
It takes about 15 to 20 seconds. The message disappears when the zero calibration is completed.
WARNING
• When perform a zero calibration during the measurement, disconnect the sensor from the patient’s
airway first.
• Please do not rely on the readings during zeroing.
23.7 Changing Settings for All CO
2
Modules
23.7.1 Changing CO
2
Alarm Settings
To change the CO
2
alarm settings, follow this procedure:
1. Select the CO
2
numeric area or waveform area to enter the CO2 menu.
2. Select the Alarm tab.
3. Enter the password if required.
4. Set alarm properties as desired.
23.7.2 Setting the CO
2
Waveform
To set the CO
2
waveform, follow this procedure:
1. Select the CO
2
numeric area or waveform area to enter the CO2 menu.
2. Select the Setup tab.
3. Set Waveform Type, Speed and CO2 Scale of the CO
2
waveform.
23.7.3 Setting the RR Source
To set the respiration rate (RR) source, follow this procedure:
1. Select the CO
2
numeric area or waveform area to enter the CO2 menu.
2. Select the Setup tab.
3. Set RR Source.
When the current RR source does not have valid measurement, the system will automatically switch RR Source to
Auto.

Mindray BeneVision N Series Specifications

General

Brand	Mindray
Model	BeneVision N Series
Category	Medical Equipment
Language	English