how to enhance the aming point size and group the luminaire

1.The aming point:

When using dialux 4.13, i'm very glad that the size of aiming point is easy to check (big arrow), and easy to change the beam angle, it easy to group the luminaire. But in Evo, it's hard to do it, can you help me to resolve it.

2.How can i change the background to dark?

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