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Chapter 6 Freeze
When monitoring a patient, you may freeze the waveform to view it carefully. Up to 34 seconds waveform can be
reviewed. Besides, the frozen waveform can be output by recorder. The Freeze function of this monitor has following
features:
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Freeze status can be activated under any operating screen.
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When entering the Freeze status, the system exits all other operating menus. At the same time, the system freezes
all waveforms in the Waveform area, or full-lead ECG waveforms and the extra waveform (if available) on the
Full-lead ECG screen. Nevertheless the Parameter area refreshes normally.
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The frozen waveforms can be reviewed or recorded.
6.1 Enter/Exit Freeze Status
6.1.1 Enter Freeze Status
In the Non-Freeze status, press the "FREEZE" button on the front panel of the monitor to let the system exit the Menu
being currently displayed (if available), then enter the Freeze status and display the popup "FREEZE" menu. In the
Freeze status, all waveforms are frozen. In other words, the system will no longer refresh the waveforms.
6.1.2 Exit Freeze Status
In the Freeze status, executing any of the following operations will command the system to exit the Freeze status:
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Select the "EXIT" option on the "FREEZE" menu;
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Press the "FREEZE" button on the front panel again;
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Press the non-immediate-to-execute button on the front panel and system buttons of MAIN and MENU;
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Execute any operation that may trigger the adjustment of the screen or display of a new menu.
After exiting the Freeze status, the system will discharge the Freeze status, clear screen waveforms and resume to
display real-time waveforms.
6.2 FREEZE Menu
Press the "FREEZE" button on the panel, the FREEZE menu will appear on the bottom part of the screen. At the same
time, the system enters the Freeze status.
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WAVE 1: to select the first frozen waveform to record. The pull-down list of this item gives you the names of all
frozen waveforms displayed on the screen.
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WAVE 2: to select the second frozen waveform to record. The pull-down list of this item gives you the names of
all waveforms displayed on the screen.
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RECALL: to review frozen waveforms.
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REC: after selected, the system begins recording the frozen waveforms selected in "WAVE 1" and "WAVE 2".
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EXIT: after pressed, the system closes the FREEZE menu and exits the Freeze status.
6.3 Reviewing Frozen Waveform
By moving the waveform, you may review a waveform of 34 seconds before the moment when it is frozen. For a
waveform less than 34 seconds, the remaining part is displayed as a straight line. Use the rotary knob to move the cursor
to the "RECALL" option on the FREEZE menu. Press the knob, the option displays "L-RIGHT". By turning the knob
left or right, the frozen waveform on the screen will move left or right correspondingly. There is an arrow indicating
