Mindray DPM 1 Instrukcja Operatora Strona 199

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15-15
You can perform the following settings in this menu.
MAX HOLD
If Max Hold is configured to 10 sec or 20 sec, the etCO2
numeric shows the highest CO2 value measured within the
previous 10 or 20 seconds. If set to Off the etCO2 numeric
shows breath-to-breath value.
BTPS
Body temperature and pressure, Saturated
Options: ON and OFF.
When BTPS is turned ON, the system performs BTPS compensation automatically; when BTPS
is turned OFF, the BTPS compensation is disabled.
When measuring the CO
2
content inside the patient’s lung, turn ON BTPS. Normally, the lung
temperature of the patient is 37 and the water vapor is sufficient or regarded as saturated. But
the temperature and water vapor content of the sampling line are different from the patient’s
exhalation. Thus, when the patient’s exhalation passes the sampling line, the accuracy of the CO
2
concentration measured by the sensor will be adversely affected. To ensure an accurate
measurement, you should turn ON the BTPS. In this mode, the system adjusts the calculation
coefficient automatically, so that the measured value is just the actual CO
2
content in the patient’s
lung.
When measuring the CO
2
content of the environment or a certain vessel, turn OFF BTPS. In the
standard ambient pressure and dry gas, the accuracy of the sensor measurement is not affected.
NOTE
z When measuring a moist gas of saturated water vapor at the body temperature
and the ambient pressure, turn ON BTPS; when measuring a dry gas at the
ambient temperature and pressure, turn OFF BTPS.
AUTO STANDBY
Range: 0 to 60min.
If no respiration waveform is detected in the selected time,
the CO2 module enters the standby mode automatically.
When AUTO STANDBY is set to 0min, it means the CO2
module is in MEASURE state. If the sampling line is not
connected, the CO2 module enters the standby mode
automatically 3 minutes later.
ZERO CAL
This option allows you to zero manually so as to eliminate
the adverse affect of baseline drift in the process of
measurement.
CONFIG >>
Select CONFIG >> to access the CO2 CONFIG menu.
You can select either FACTORY CONF or USER CONF.
After finishing the selection and exiting the menu, a dialog
pops up asking for confirmation of your selection.
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