Philips V200 - Manual (Page 235)

Options and Accessories
REF 1057983 A Respironics V200 Ventilator Operator’s Manual 13-71
Chapter 13
The Trending screen (Figure 13-34) displays three trending waveforms as well
as a summary of ventilator settings and patient data. You can change the
waveforms and time scale at any time.
Figure 13-34: Trending Screen
Summary of Trending Screen Information
Information type Description
Parameter select buttons Selects which parameter to display in the trending waveform.
Manual rescale buttons Selects the upper and lower limits for the displayed parameter.
Cursor arrow buttons Changes the position of the cursor. (You can also use the front
panel control knob to adjust cursor position.)
-2 Hrs and +2 Hrs buttons Shifts the waveform forward or backward by 2 hours without
changing the time scale. If you press and hold the buttons, the
time scale shifts every ½ second. If less than 2 hours of data
exists, the waveform shifts by the time available. The button is
grayed if the waveform cannot shift any further.
Zoom in/out button Zoom in sets the time scale to 2 hours, with time centered at the
cursor position. The button is grayed if the current time scale is 2
hours.
Zoom out button returns the time scale to its previous setting.
Rescale button Automatically adjusts the vertical axis for all three waveforms for
optimal viewing based on the maximum and minimum values for
the currently displayed data.
Table 13-10: Summary of Trending Screen Information
Parameter
select
button
Manual
rescale
button
Begin
trending
time
Cursor time and date End Trending Time View 1, View 2 buttons