15-7
15.4.7 Setting the Flow Rate
For the sidestream CO
2
module, you can change the sampling rate of respiratory gas in the patient’s airway by setting
the flow rate. To set the flow rate, enter the [CO2 Setup] menu and select an appropriate setting from [Flow Rate].
WARNING
Please consider the patient’s actual bearing capability and select the appropriate flow rate when setting the
flow rate.
15.4.8 Setting up the CO
2
Wave
In the [CO2 Setup] menu, you can:
Select [Wave Type] and toggle between [Draw] and [Fill]:
[Draw]: The CO
2
wave is displayed as a curved line.
[Fill]: The CO
2
wave is displayed as a filled area.
Select [Sweep] and then select the appropriate setting. The faster the wave sweeps, the wider the wave is.
Change the size of the CO
2
waveform by adjusting the wave [Scale].
15.4.9 Setting RR Source
To set RR source:
1. Enter the [CO2 Setup] menu.
2. Select [RR Source] and then select a source or [Auto] from the dropdown list.
The [RR Source] settings of Resp and CO
2
, are linked. For details, please refer to Setting RR Source of chapter Resp.
15.4.10 Setting Barometric Pressure Compensation
Both sidestream and microstream CO
2
modules have the function of automatic barometric pressure compensation (the
system automatically measures the barometric pressure which the patient monitor is exposed to). However, the
mainstream CO
2
module does not have such function. For the mainstream CO
2
module, the default barometric pressure
is 760 mmHg. You must modify the barometric pressure based on the actual situation as follows:
1. Select [Main Menu]→[Maintenance >>]→[User Maintenance >>]→enter the required password→[Module
Maintenance >>]→[Maintain CO2 >>]→[Calibrate CO2 >>].
2. Select [Barometric Pressure] and then enter the value of barometric pressure to which the patient monitor is
exposed to.
WARNING
Be sure to set the barometric pressure properly before using the mainstream CO
2
module. Improper settings
will result in erroneous CO
2
reading.
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