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4.7 Freeze
The freeze function features to pause on-screen waveforms and spirometry loops refreshing
in real-time and review short-time patient data so that you can have a close examination of
the patient’s status within this time period.
Enter freeze status
In non-standby or non-freeze status, push the Freeze key and [Freeze Active. Push the
Freeze key to unfreeze] is prompted on the screen. The system enters freeze status. Cursors
appear on the waveforms and loops. All displayed waves and loops are frozen, namely, they
are not refreshed. The data in the parameter area are refreshed normally. In freeze status, the
Save button on the Spirometry Loops screen is disabled, and you cannot save a loop as
reference loop but can view an already saved reference loop.
View frozen waveforms
You can turn the control knob clockwise or counter clockwise to move the cursor to view the
frozen waveforms.
Cursor
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