To edit group security rights: 
  1. Log in as a user with supervisor rights
  2. Click Admin, Security
  3. Select the appropriate security group
  4. Under Group Privileges, mark Records 
  5. Click the Options button
  6. Under Record Types, check Events
  7. Under Events privileges, mark the checkboxes for the rights you wish to      enable for the user group
  8. Repeat these steps for Actions (Events), Jobs (Events) and Participants (Events) under Record Types
  9. Click OK
  10. Click Save and Close