The field markers in the document will not be visible if:
- ‘Hide Field Markers’ has been selected from the data panel’s pop-out menu. This setting is stored with the document. To show the field markers, use the ‘Show Field Markers’ menu option from the panel’s pop-out menu.
- The document is in ‘Preview’ mode. Switch back to ‘Normal’ view mode to view the field markers.
- ‘Hide Frame Edges’ has been selected from the ‘View > Extras’ menu. Field Markers on images boxes will not be shown if the frame edges are also not shown. Use ‘Show Frame Edges’ from the ‘View > Extras’ menu to show them again.