BeneVision N22/N19 Patient Monitor Operator’s Manual 30 - 7
â—† If Auto Low Limit is switched on, rSO2-1 Variance and rSO2-2 Variance are activated to allow you to
set the percentage of rSO
2
low limits below the baseline. Then the monitor calculates the rSO
2
low
limits automatically based on the setting.
â—† If Auto Low Limit is switched off, the rSO
2
low limits should be set manually.
30.7.3 Setting the rSO
2
Label
To set the rSO
2
label, follow this procedure:
1. Select the rSO
2
numeric area to enter the rSO2 menu.
2. Select the
Setup tab.
3. Set the desired rSO2-1 Label and rSO2-2 Label.
30.7.4 Setting the AUC Mode
To set the AUC mode, follow this procedure:
1. Select the rSO
2
numeric area to enter the rSO2 menu.
2. Select the
Setup tab.
3. Set
AUC Mode.
â—† Select Fixed to activate the item Fixed Threshold. In this case, AUC is calculated according to the
configured fixed threshold.
â—† Select Below Base Percentage to activate the item Percentage Below Baseline. In this case, AUC is
calculated according to the configured percentage below baseline.
30.7.5 Setting the Baseline
To set the rSO
2
baseline for the respective channel, follow this procedure:
1. Select the rSO
2
numeric area to enter the rSO2 menu.
2. Select the
Baseline tab.
3. Select
Set Baseline. The monitor automatically sets the current rSO
2
value as the baseline.
You can also set the baselines for all rSO
2
channels by the following two methods:
â– Select Set Baselines in the lower left corner of the rSO
2
menu.
â– Press the hard key at the upper right of the rSO
2
module.
Then the monitor set the baselines for all rSO
2
channels according to their respective current rSO
2
values.
• Set the rSO
2
value measured when patient is sober and eupraxic as baseline. The baseline will be set
automatically if it is not set within 5 to 6 minutes and current rSO
2
value is effective.
30.7.6 Selecting rSO
2
Parameters for Display
In the rSO
2
numeric area, rSO
2
and SSI are permanently displayed parameters, and other parameters are
selectable. To select the parameters for display, follow this procedure:
1. Select the rSO
2
numeric area to enter the rSO2 menu.
2. Select the
Select Parameter tab.
3. Select the parameters for display.
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