What should I do with the machine?

Hint 1 of 10:

Look at it closely.  Doesn't it remind you of something?

Hint 2 of 10:

Planets, a number and an element?

Hint 3 of 10:

Remember those plaques you found in the beginning of the game?

Hint 4 of 10:

Each plaque gave you a planet constellation, a number and an element.

Hint 5 of 10:

The numbers correspond to the four doors in this room.

Hint 6 of 10:

To open a door, first open the corresponding little door on the machine front
panel.

Hint 7 of 10:

Then open the little door showing the symbol associated with that number.

Hint 8 of 10:

Next, turn the wheel to adjust the planet positions until they correspond
with the pattern on the plaque.

Hint 9 of 10:

Click the wheel to start it and click again to stop it.