Unable to delete or expand #HowTo


II have a small square block with gridlines in the bottom left corner of the xtrkcad screen that I unable to delete or expand. Why is it there and what keyboard function do I use to get rid of it or expand it so I can use the grid lines to layout the tracks on the 4 x6' panel I would like to actually lay 2 or 3 tracks onto.
Thanks in advance for your suggestions,

Join main@xtrackcad.groups.io to automatically receive all group messages.