Operator’s Manual of Anesthesia System 4 - 23
System Interface System Soft Key
4.6.1 History
Select the [History] soft key on the Main Screen to open the [History] menu. The menu contains the
List Trends, the Graphic Trends, the Event Log, Screen and Export tabs. The List Trends, Graphic Trends
and Event Log tabs on the History screen are associated. When you switch among the tabs, the cursor
is automatically positioned to the record that is related to the previous page.
4.6.1.1 List Trends
On the [List Trends] screen, you can view the parameter data and events of a patient. If no display
interval is set, the trends will be displayed based on the data with an interval of one minute by
default.
Figure 4-27 List Trends
4.6.1.1.1 About List Trends
• The horizontal coordinates of a list trend show the time and date.
• List Trends displays the parameter name on the vertical axis and it is always visible.
• List Trends displays the trend records in descending order beginning with the most recent on the right side of
the grid.
• Graphic Trends are not stored when the system is in standby.
• List Trends can display the trend data of 48 consecutive hours.
• List Trends highlights the parameter data in the corresponding alarm color if an alarm condition existed for
the parameter at the time of trend record storage.
4.6.1.1.2 List Trend Events Buttons
Drag the horizontal or vertical progress bar to view the updated trend data.
BUTTON FUNCTION
Previous Event
The cursor moves from the current event to the previous event.
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