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20 Minute Time Base
Each five (5) second Data Point (collected over the last 20 minutes) is plotted
on the graph.
All Other Time Bases
A single five (5) second Patient Sample is picked for one plot point. The rate
of sampling is based upon the selected Time Base as follows:
• Time Base = 1 Hour: every third Patient Sample.
• Time Base = 2 Hours: every sixth Patient Sample.
• Time Base = 4 Hours: every twelveth Patient Sample.
• Time Base = 8 Hours: every twentyfourth Patient Sample.
• Time Base = 24 Hours: every seventysecond Patient Sample.
Figure 7.2
The MULTI TRENDS Menu
The following items are displayed on the Multi-Trends Graph Screen (See
Figure 7.2):
• From one (1) to four (4) Patient Parameters.
• The Scale of the graph.
• The Time Base (how far back in time the graph displays) is shown at the
bottom of the Trend Display, with the newest time on the right. Once the
selected time base is exceeded, the first data (oldest) that was collected is
"pushed" from the display every patient sample as newer Patient Samples
enter the equation. Up to 24 hours of patient data is stored into memory.
P HYSIO TRAK
Release 1.0
7-3
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