OPR360US H0711
4-15
Setting Up For Patient Use
4
Adjusting Scale
To adjust scales: Touch the GUI screen at the X or Y axis of the
desired scale to be adjusted. A blue indicator bar appears on the
screen to identify the parameter selected for scale change. Use the
Adjustment knob to increase or decrease the scale and press the
Accept button to confirm the change. While in Waves or Loops,
pressure, volume and flow scales may be adjusted independently.
The time scale applies to all displayed parameters.
Each turn of the Adjustment Knob steps to the next scale, with the
Auto-scale option between the highest and lowest scales choice
for parameters other than time. Scale adjustments are not saved at
power-off.
Auto-scale
When Auto-scale is active, the automatic control icon appears on the
automatically scaled vertical axis. Auto-scale automatically selects
one of the four pre-defined manual scales that allows the best view
(highest resolution) of the parameter.
Using the Freeze Function
Touch the Freeze button to suspend plotting of graphs (waveforms,
loops, or trends) and hold the current display for extended viewing.
Touch the Start button to resume plotting. Only the graphic display is
suspended, numeric values continue to update.
Using the Cursor in Freeze
When Freeze is on, a green, vertical-dashed line (the cursor)
appears at the center of the screen. The Adjustment knob is used to
reposition the cursor.
Numerical values are displayed for each point on a waveform, loop
or trend intersected by the cursor. Where the cursor intersects a time
axis for a waveform or trend, the numerical value of the time axis is
displayed once the cursor stops moving. Where the cursor intersects
a loop, the values of the loop at the top and bottom intersect points
are displayed.
Freeze is also available from the Main Screen and Extended Function
menus.
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