By default, both email and pager will be enabled in your Notification Schedule, you may adjust this as necessary by going to Setup / Notifications / My Notification Schedule. You can receive notifications by both e-mail/page, just e-mail, or just page depending on what you configure here.
5. Next, you need to create an Incident Rule Set, or edit an existing one. From Setup / Incidents / Incident Rules, select a rule set and rule to edit. Once you get to the Action for the Rule, in the Basic Notifications section, select the EM Administrator in the Page box. Save all changes.
6. You can test the Incident Rule Set by selecting your Rule Set and clicking the Simulate Rules button (Setup / Incidents / Incident Rules). You will need to select a Target, Event Type and find an alert to simulate. Then you will get a list of Actions that the Incident Rule Set will perform for this alert.