7
Service Manual for RESmart
®
CPAP and AutoCPAP V1.5
2. Pressure calibration
(Available on version 1.20 and later)
Connect pressure meter to the gas outlet in the device, enter hidden
datesetting, set ‘YYYY/MM/DD’=’2098/08/08’, press ‘On/Off’ when ‘Hour’
setting, thus pressure calibration starts. The device increases pressure to
20hPa(cmH2O), AD sampling data will appear on LCD. When LCD data
displaying is stable, if pressure meter value is not 20, press ‘+/-’ button to
adjust the pressure output. Until output pressure value is 20 and LCD displays
stable, press ‘On/Off’ button to finish pressure calibration.
3. Debug mode
(Available on version 1.19 and later)
Enter hidden date setting, set ‘YYYY/MM/DD’=’2099/08/02(or 03)’, press ‘On/
Off’ when ‘Hour’ setting, thus debug #02 or #03 mode starts. The device can
send real time data to computer via serial port. Only cutting off power supply
can make device back to normal mode.
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