Recording mode: alarm condition occurs as history collection. When the alarm has been restored from happening again, as the new alarm collection.
Accumulation mode: The latest alarm status and accumulated time, the number of occurrences totals. When the alarm has been restored from happening again, added to the number of occurrences of the last alarm information (date of hanppening, date and time to restore, confirm the date and time) will be updated with the latest alarm information.