What are the ideal settings for laser marking alder wood?

For a 120-watt laser with a 2-inch lens, set the following parameters:

Engraving: Power: 15%; Speed: 20%; 500 ppi; Air Assist: On; Z-offset: +1mm

Scoring: Power: 5%; Speed: 1%; Frequency: 1000 Hz; Air Assist: On

Cutting: Power: 64%; Speed: 0.8%; Frequency: 1000 Hz; Air Assist: On

-Josh Stephens, Lasers Plus