A7™ Operating Instructions 046-004667-00 3 - 33
System Interface System Softkeys
3.9.5.2.1 About Graphic Trends
• Graphic Trends store the data with the interval in 1 minute.
• Graphic 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 machine is in standby.
• The display period of data is a rolling 48 hours of continuous data.
• Graphic 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.
3.9.5.2.2 Navigating in Graphic Trends
The dialog navigation buttons are described in TABLE 3-6.
NOTE: When a navigation button becomes disabled, this indicates that
there is no more data available or the end of the data range was
reached.
3.9.5.2.3 Zoom
Zoom allows the trends to be displayed in one page in a specified time interval.
Set Zoom to 5Min, 10Min, 15Min, 30Min, 1Hour, or 2Hour.
BUTTON FUNCTION
Moves the cursor to the oldest record from its current position.
Moves the cursor one page back from its current position.
Moves the cursor one record back from its current position.
Moves the cursor one record forward from its current position.
Moves the cursor one page forward from its current position.
Moves the cursor to the newest record from its current position.
Previous Event Moves the cursor to the previous event from its current position.
Next Event Moves the cursor to the next event from its current position.
Moves the cursor up one parameter from its current position.
Moves the cursor down one parameter from its current position.
TABLE 3-6
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