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PC and ERT Control/Gating Module
The portion of the setup window for waveform, gate and trend selection includes
sections for cardiac, respiration and temperature. The numbers to the right of the trace
selections are the number of vertical pixels necessary for that portion of the display. The
total number of pixels used can not exceed the number available for the PC's display. A
calculation to determine the number of pixels still available is performed in the lower left
corner of the display.
The portion of the setup window for user defined auxiliary waveforms allows selections
for gain and labeling. These parameters can also be set in real time by right clicking the
appropriate waveform from the main monitor display. (Refer to Chapter 15).
The data folder for storage of trend data defaults to a date encoded name of the form
yymmdd(letter). The letter changes for each successive session during the day. The
user can change the file name and storage location from the setup window.
Up to four user defined setup files allow different monitor configurations to be saved for
easy retrieval. For example, setup files could be stored for different types of animals or
different users or for different types of studies. In addition Factory Defaults can be
selected or the previously configured setup. In the later case, any changes made
during the last monitoring session will be remembered and restored for the next
monitoring session.
SnapShot key
The SnapShot key in the lower left portion of PC-sam's main monitor display causes
storage of the last 36 seconds of monitor data. All data transmitted to the PC during the
last 36 seconds is stored not just displayed data. Parameter values set by the PC (e.g.
slew rates for R-wave detection, blanking time, gating selections, etc.) are stored once,
at the time the SnapShot key was clicked.
Data files can be viewed by selecting the SnapView option after launching PC-sam.
Options exist to allow the entire file to be played back or to view the last few seconds of
data. Most features available in PC-sam are also available in SnapView. For example
sweep rates and amplitudes can be adjusted while viewing the files and the keys are
active to display windows with associated parameter values. (Refer to Chapter 8).
Trend key
The Trend key in the lower left portion of the monitor allows the current Trend file to be
restarted or saved. When the saved selection is made a new Trend file is automatically
started.
Revision C, August 2013
3-7
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