Chapter 5
Diagnostic Mode and Troubleshooting
REF 1029568 Rev B
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
5-5
5.4 Preferences
Use the Preferences screen (Figure 5-5) to select display units, alarm volume,
contrast, brightness, reverse or normal video, and the screen lock timer
setting.
Figure 5-5: Diagnostic Mode: Preferences Screen
1. Use the arrow keys to highlight the button to change, then press
Enter
:
2. Adjust the value and press
Enter
or press
Cancel
to exit without
making a change.
•
Use
Display Units
to select cmH
2
O, hPa, or mbar as the unit of
pressure.
•
Use
Alarm Volume
to adjust the volume from 1 to 5. The alarm
volume cannot be turned completely off.
•
Use
Contrast
to adjust the contrast from 20% to 100%.
•
Use
Brightness
, to adjust the contrast from 10% to 100%
•
Use
Reverse Video
to toggle between reverse and normal video.
•
Use
Screen Lock Timer
to turn the screen lock on or off.
3. Press the
Menu
key to return to the main menu.
