Philips V200 Manuel D’Utilisation

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Options and Accessories
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