calculation grid and iso-lines in the real time (4.13) when use dialux evo

I have problem, I use dialux 4.13, it's easy to add calculation grid (when I change aiming point, it show me know the iso-lines in the real-time). Now, I use dialux Evo, I don't know how to add calculation grid. H

ow can I see the iso-lines in the real-time when I changing aiming point. So can you help me

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