Omtech SH-G1390 User Manual page 55

• To increase engraving depth, increase the amount of energy per unit area by increasing the
laser's power or the number of loops or by slowing down the speed parameter. Engraving
too deep, however, reduces image quality, especially for coated materials.
• When working with new materials, remember that you should always start on the low end of
likely settings. If the effect is not yet strong enough, you can always rerun the design loop
several times or rerun it with more powerful settings until you create the effect that you
want.
• Resolution should usually be set to 500 dots per inch. Reducing your image resolution can
be helpful in some cases, reducing flaming and increasing the energy of the pulse in a way
that improves the quality of the resultant image in some materials such as some plastics.
3. Customize the power setting.
It is recommended to use settings from 10%–70% in the SOFTWARE of the maximum rated
power to enjoy optimal performance and longevity. It is NOT recommended to use the laser
tube at full capacity, especially for extended periods.
5.3 Focusing
1. Open the cover to check that your sample material is still on the workbed.
2. Place the acrylic focus tool on top of the
material and carefully adjust the workbed by
pressing the Z UP and Z DOWN buttons. The
laser head should barely touch the top of the
acrylic tool without applying any pressure,
ensuring the engraving distance is correct.
3. Close the cover.
Acrylic Focus Tool
Material
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