Trane TRACER SUMMIT BMTX-SVU01B-EN Daily Operations page 151

Deleting Alarms and Events
2. Press the Delete key. The entire displayed event log is deleted.
Note:
If you select the entire log and then decide you don't want to
delete all of the items, press and hold down the Ctrl key, then
left-click on one or more items that you don't want to delete.
The items are now deselected and will not be deleted when you
press the Delete key.
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