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REF 1057983 A Respironics V200 Ventilator Operator’s Manual 13-23
Chapter 13
Figure 13-19: Frozen Loops Display with Numeric Data Windows
Save and Overlay
Features
Follow these steps to save a frozen loop for later reference against future data
(for example, before and after bronchodilator therapy):
1. Press the FREEZE button to save the Loops screen.
2. Use the arrow buttons or knob to select a breath.
3. Press the SAVE button.
4. Press CONTINUE to unfreeze the screen.
5. Press the OVERLAY button to superimpose a gray image of the saved loop
on the current display (the Overlay feature works on frozen or unfrozen
displays).
6. Press the SINGLE VIEW button to view current graphics without the saved
loops.
Figure 13-20 illustrates the Overlay feature
Cursor position
selects
waveform and
position (and
corresponding
points on loops)
Use arrow
buttons or knob
to set cursor
position.
Continue
button unfreeze
graphics