Philips BiPAP AVAPS - Real-time Clock Calibration; 1. Ensure AC power is connected to the device.; 2. Connect the device to com port 1 (COM1) of your computer via the Link Module and DB9 F-DB9 M Cable. Refer to Section 1.3 for information on connecting the device to a PC.; 3. Open Service Center Tools from the Start menu.

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REAL-TIME CLOCK CALIBRATION
The devices record and track, in real-time, several different parameters (e.g. patient pressures, apnea events,
when and how the device is used, error codes, etc.) You must calibrate the device’s Real-time Clock (RTC)
prior to performing any testing, otherwise the device will fail.
TO CALIBRATE THE DEVICE’S RTC:
1. Ensure AC power is connected to the device.
2. Connect the device to com port 1 (COM1) of your computer via the Link Module and DB9F-DB9M
Cable. Refer to Section 1.3 for information on connecting the device to a PC.
3. Open Service Center Tools from the Start menu.
FIGURE 8-7: START MENU