Also in Trace & Reference dialogue you can turn on 'Fill and Zone Transparency'.
There should also be 'splitters' at the side of the screen that you can slide across to see the reference underneath.
And you can toggle the reference so it is on top.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11