The one was engraved at a 90IPM Feed Rate, 25% Feed Rate Change, .006" Pixel Resolution, 45D angle, Max 175 and Min 0. I sharpened it to 12 and adjusted gamma to .8, then used a Gray Curve adjustment of 20.
The OS we use for our Software & EmBlaser is Windows XP Pro on a Dell Dimension 3000 with 1gb ram. Picked up at a thrift shop for $15. :-)
Here is the original image we used before any editing.