Task bar of a sub window

Every sub window has its own task bar as depicted above, which provides the following functionality:

The arrow buttons let you step forwards or backwards within the series. The start stop arrow on the right lets you toggle on and off the movie mode (see Auto Load). The number of steps is set by the drop down list on the left.

Go to a specific image file within the present series by entering its file number.

Set foreground of the image.

Close the current subwindow.