Shutter:Logic

When you add multiple events to Shutter, their interrelationship becomes important. The Actions are executed only when the relationship between the specified events is satisfied.

You can set any of the following relationships between the events:

• ALL - All events must be in triggered state together, monitored continuously.(This is the default choice)
• AND - Every event must be triggered once, independently of each other.
• OR - Any event must be triggered once.
• 1BY1 - Each event must be triggered once, one after another.

If you are not sure which logic to choose, simply use the default "ALL" logic which normally satisfies most scenarios.