To set an alert to sound a specific number of minutes or hours before the actual sunset occurs, select Til Sunset > Status > On, select Time, and enter the time.

To set an alert to sound a specific number of minutes or hours before the actual sunrise occurs, select Til Sunrise > Status > On, select Time, and enter the time.

To set an alert to sound when a storm approaches, select Storm Alert > On, select Rate, and select the rate of pressure change.

To set an alert to sound every hour, select Hourly > On.