I don’t know under which circumstances, but I’ve encountered situations where suddenly for no obvious reason, cycling through images using the arrow keys suddenly stopped.
I was working with control points.
Unfortunately I have no further info how to reproduce it.
When this occurs, even clicking on an image in the 1D view doesn’t show the image.
I’m using the 4-panes view. (4th icon from the left).
Sometimes RC will lock the 2ds view to images you have selected. so you can select 4 images, two from a detatched component, two from the area you want and then cycle only between those.
also when you reach the end of the list of images (or selected images), you need to use the other arrow key to cycle through the images in the other direction.