I tested this.
You're Right!!
I don't understand how I could have misunderstood this for years.
Maybe I relied on the attribute name without bothering to read further.
Here's the proof I was wrong ...
(AI2 help:)
Properties
TimerAlwaysFires
Will fire even when application is not showing on the screen if true
TimerEnabled
Specifies whether the Timer event should run.
TimerInterval
Specifies the interval between subsequent Timer events.
Sample test app:

