4/Tests and Troubleshooting
4-28 1503-0151-000 5/26/0
Calibrate Pressure Sensitivity
The software prompts the user to perform the procedure to calibrate the pressure
sensitivity (This pressure transducer calibration is to be performed if the SIB control
module or microcontrol board is replaced). This calibration is not an automated
calibration. It prompts the user to follow a set of procedural steps to perform the
calibration. This calibration calculates the pressure sensitivity at 5 different pres-
sures. It uses these five different pressure points along with the inspiratory flow and
expiratory flow zero offsets to find the pressure sensitivity If the calculations for the
pressure sensitivity are not within the correct tolerance, the calibration fails. If the
calibration passed, the five pressure sensitivity points are stored in the EEPROM.
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