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MON20/20 Software for Gas Chromatographs User Manual
SEPTEMBER 2010 3-9000-745
5-3
• To view active alarms only, check Active Alarms. This is the default
display option.
The Unack/Active Alarms window supplies the following data for each
alarm:
Note
Discrete alarms do not display Type, Limit, or Value data.
5.1.2 Acknowledging and clearing alarms
There are three ways to acknowledge and clear alarms:
• To acknowledge and clear alarms without viewing them, select Logs/
Reports → Alarms → Clear/Ack All Active Alarms.
• Another method to acknowledge and clear alarms without viewing
them is to click from the Toolbar.
• To view the alarms before acknowledging and clearing them, select
Logs/Reports → Alarms → Unack/Active Alarms.... The Unack/
Active Alarms window provides several options:
• To acknowledge an alarm, select it and then click Ack Selected
(F2).
Name Description
Status Indicates whether the alarm has been acknowledged or not.
State Indicates whether the alarm is ACTIVE or INACTIVE.
Date Indicates the date and time at the GC when the alarm condition began.
Alarm Message Describes the alarm condition.
Type Indicates whether a high limit or low limit alarm was trigger:
• HI means a high limit alarm was triggered.
• LO means a high limit alarm was triggered.
Limit Indicates the value that was set as the trigger for the alarm.
Value Indicates the current status value being output by the device.
Name Indicates the name of the variable that triggered the alarm.