17 - 6 BeneVision N22/N19 Patient Monitor Operator’s Manual
• Starting a measurement without blood temperature being stable may cause measurement failure.
• The TB alarms are inactivated during a C.O. measurement, and will be reactivated automatically
after the completion of C.O. measurement.
• Please see the Instructions for Use of thermodilution catheter to determine the Comp Const and the
volume of injectate solution.
17.7 Changing C.O. Settings
17.7.1 Setting C.O. Alarm Properties
To set the C.O. alarm properties, follow this procedure:
1. Select the C.O. numeric area to enter the
C.O. Measure menu.
2. Select
Setup to enter the C.O. menu.
3. Select the
Alarm tab.
4. Set the alarm properties of TB:
â—† Switch on or switch off the alarms for TB.
â—† Adjust the alarm limits and alarm priorities for TB.
â—† Switch on or switch off the alarm recording for TB.
17.7.2 Setting the Temperature Unit
To set the temperature 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
Temp Unit.
17.7.3 Setting C.O. Measurement Timeout
C.O. measurements become outline fonts after a defined time. This avoids older C.O. values being misinterpreted
as current measurements. To set the timeout, 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
Module tab.
3. Select the
Other tab.
4. Set
C.O. Timeout.
• The C.O. value is invalid if it is displayed in outline font.
• For more information on the setup of the patient information (height, weight), computation
constant, measure mode, and auto TI, see 17.6.2 Setting C.O. Measurement.
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