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User Manual MON20/20 Software for Gas Chromatographs
3-9000-745 SEPTEMBER 2010
4-70
Figure 4-61. The Limit Alarms window
2. Select a new variable by clicking on the appropriate drop-down list
under the Variable column. For a demonstration of how to use the
context-sensitive variable selector, see “Using the context-sensitive
variable selector” on page 1-42.
3. To change the alarm type, click the appropriate cell under the Type
column. You have the following the options:
• Off - Turns off the alarm.
• All - Use high and low limits to activate alarms. Enter the lower
limit value in the appropriate cell under the Low Limit column.
Enter the upper limit value in the appropriate cell under the High
Limit column.
• High - If the status value of the variable rises above the value set
in the corresponding High Limit column, the high limit alarm is
activated.
• Low - If the status value of the variable falls below the value set in
the corresponding Low Limit column, the low limit alarm is
activated.