Enter the interval in minutes. The interval is the amount of time between
executions of this event. The time interval is measured from the beginning
of one event to the beginning of the next event.

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These are the functions performed when the following key is pressed:

F1 - Display Help Screen.

F6 - Accept all event changes.

ESC - Cancel all event changes.

TAB, Enter - Go to Time field.

Shift-TAB  - Go to Task list field.