22 - 10 BeneVision N22/N19 Patient Monitor Operator’s Manual
22.8.2 Setting Humidity Compensation
Sidestream and microstream CO
2
modules are configured to compensate CO
2
readings for either Body
Temperature and Pressure, Saturated Gas (BTPS), to account for humidity in the patient’s breath, or Ambient
Temperature and Pressure, Dry Gas (ATPD).
■ ATPD:
■ BTPS:
Where,
, , , and unit is
mmHg.
For the sidestream and microstream CO
2
module, you can set the humidity compensation on or off according to
the actual condition.
To set the humidity compensation, 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
BTPS Compensation.
◆ Switch on for BTPS.
◆ Switch off for ATPD.
22.9 Changing O
2
Settings (For Sidestream CO
2
Module Only)
22.9.1 Changing O
2
Alarm Settings
To change the O
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. Set the following alarm properties:
◆ Switch on or switch off the alarms or alarm recording.
◆ Adjust the alarm limits or alarm priority.
◆ Select Apnea Delay to set the delay time of the apnea alarm.
22.9.2 Changing the O
2
Unit
To change the O
2
unit, follow this procedure:
1. Select the
Main Menu quick key → turn to the third page → from the System column select Maintenance
→ input the required password → select Ok.
2. Select the
Unit tab.
3. Set
O2 Unit.
22.9.3 Setting the O2 Waveform
To set the O
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
Speed and O2 Scale of the O
2
waveform.
P
CO
2
mmHg
()
CO
2
vol%
()
P
amb
100
⁄×=
P
CO
2
mmHg
()
CO
2
vol%
()
P
amb
47
–()
100
⁄×=
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