Chapter 5
5-4 BiPAP® Focus™ Ventilator Service Manual © Respironics, Inc. REF 1029568 Rev A
Diagnostic Mode and Troubleshooting
Figure 5-4: Diagnostic Mode: Preferences Screen
To view the preferences screen, use the arrow keys to highlight PREFERENCES
on the diagnostic mode main menu, then press Enter.
1. Use the arrow keys to highlight the button whose value to change, then
press Enter:
2. If selected:
Display Units, the screen shows the current ventilator units settings.
Use the arrow keys to highlight cmH
2
O, hPa, or mbar then press Enter.
Alarm Volume, a popup screen displays the current alarm volume
setting. Use the arrow keys to adjust the volume from 1 to 5 (in
increments of 1), then press Enter (or press Cancel to exit without
making a change). The alarm volume cannot be turned completely off.
Contrast, a popup screen displays the current display contrast setting.
Use the arrow keys to adjust the contrast from 20% to 100% (in
increments of 20%), then press Enter (or press Cancel to exit without
making a change).
Brightness, a popup screen displays the current display brightness
setting. Use the arrow keys to adjust the contrast from 10% to 100%
(in increments of 10%), then press Enter (or press Cancel to exit
without making a change).
Reverse Video, pressing Enter toggles between reverse and normal
video.
Screen Lock Timer, the screen displays on/off lock setting. Use the
arrow keys to select, the press Enter.
3. Press the Menu key to return to the main menu.
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