If you select a library or other partitioned data set, an Edit member list is displayed. For more information about using member selection lists, see the "ISPF Libraries and Data Sets" topic of the z/OS ISPF User's Guide Vol I.

The E line command uses the values from a prompt panel to specify items including the initial macro, profile name, panel name, format, mixed mode, and workstation editing. These values are stored in the profile and are used on subsequent edits.

To change these values, use the "DSLIST settings" panel on the data set list Options pull-down. Check both the "E,V,B enhanced member list" and the "Display Edit/View entry panel" options. The prompt panel is always shown when you edit a sequential file, or when you directly edit a member of a partitioned data set. When you are using a member list you can force the display of the panel by placing a slash mark (/) in the Prompt field next to the member you select.

If the editor appears to be invoking an unexpected initial macro, or it appears to be using an unexpected profile, follow the process described to check the values on the prompt panel.