The Refmode pull-down menu has the following choices:

List Retrieve

Sets referral lists, personal data set lists, and personal library lists into a retrieve mode. When you select an entry from the list, the information is placed into the Dsname Level field, but the Enter key is not simulated. You can then set other options before pressing the Enter key. (If this is the current setting, this choice is unavailable.)

List Execute

Sets referral lists, personal data set lists, and personal library lists into a retrieve mode. When you select an entry from the list, the information is placed into the Dsname Level field, and the Enter key is simulated. (If this is the current setting, this choice is unavailable.)