Omtech LYF-20MP User Manual page 39

Marking Settings
• Red(F1): Marks the frame of the object to be marked, with no laser emitted during the process.
It is used to indicate the processing area and facilitate locating the workpiece.
This function is available on models with a red light guider. Pressing F1 on the keyboard
activates this function.
• Mark(F2): Starts processing. Press F2 on the keyboard to run this command.
For other marking settings, see the EZCad software manual.
5.2.4 Testing the Engraving Effect
1. Activate the laser guidance system by clicking Red in EZCad
or hitting F1 on the keyboard.
The design should be displayed in red light on the worktable,
showing where the laser will fire.
2. Place an expendable piece of the material to be engraved in the location shown by the laser
guidance.
The test material should be of the same material as the actual one you are
going to mark.
3. Click Mark in EZCad or press F2 on the keyboard to engrave your design. Alternatively, you can
activate the laser by using the foot pad.
The laser is invisible but will create a buzzing noise and sparks and begin engraving when it is
correctly focused on your test material.
• DO NOT stare at the laser in operation even with protective eyewear.
• When an unexpected situation occurs, press the emergency stop
• Watch for possible issues like sparks or fires, and be prepared to
4. Examine the quality of your first run and adjust the laser parameters in EZCad as necessary to
create your desired effect.
button IMMEDIATELY to halt the machine's operation.
quickly extinguish a fire if necessary.
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