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Patient Monitor User Manual
in which the gas does not contain water vapor.
The water vapor compensation is ON by default and may be enabled or disabled via a host
system command.
■ BTPS: The user may want to choose whether to correct values for gas that is at body
temperature, ambient pressure and is saturated with water vapor (BTPS) or the ambient
temperature and pressure and is dry (ATPD). BTPS compensation (Body Temperature and
Pressure, Saturated) is a user-selectable compensation that accounts for the differences
between the airway sample and "deep lung" CO
CO
, where the sample is at 37
2
water vapor content due to temperature. The BTPS compensation of CO
default.
COMPENSATE: to perform different compensate operations as per the selection of
■
the user. The selections are GENERAL, O
calculating compensation are shown in the following table. Here is the operation method.
First, select the gas compensation to be used, including general compensation, O
compensate, N
2
compensate and BTPS compensate.
Work Conditions for CO
Calculation Compensate
Method
General
O
2
ALL
N
O
2
■
ZERO CAL: used to perform CO
When a dramatic change in CO
clinician, please select "ZERO CAL" item, then the system will automatically inhale clean
CO
-free room air to the air inlet of CO
2
NOTE:
1
If Compensate item is not correctly set as per the operation conditions, the result will
be far from the actual value, thus leading to severe misdiagnosis.
2
The default value of Water Vapor Compensate is on. Turn it off when measuring dry
gas, such as when performing regular maintenance or measurement validation by
using dry calibrated gas.
3
The default of BTPS is on. Turn it on when measuring the VA saturated "damp" gas
at the body temperature and ambient pressure and turn it off when measuring the
"dry" gas at the ambient temperature and pressure.
and fully saturated, BTPS compensates for the
℃
O compensate and ALL compensate. Then, determine whether to make VA
Calculation compensation:
2
O
Modification
2
OFF
ON
OFF
ON
measurement or the accuracy of reading is suspected by the
2
. Since the intent is to report "deep lung"
2
O and ALL. The work conditions for
, N
2
2
N
O Modification
2
OFF
OFF
ON
ON
model zero calibration.
2
module beside the monitor, and start zero calibration.
2
- 142 -
CO
Measuring (Optional)
2
variance of
module is on by
2
Work Conditions
O
20%, no N
O
2
2
O
80%, no N
O
2
2
O
60%, N
O 40%
2
2
O
40%, N
O 60%
2
2
2
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