space haven on steam MacBook how to zoom out to mine?

[bilko65]

I am completely stuck, no mouse on Mac and cannot for the life of me zoom out to mine asteroid, any help appreciated please

[aksel_bugbyte]

There are keybinding options in the game options. Can bind a key for zoom in and another for zoom out.

The game zooms in steps even with a mouse so no need to worry about that.