User guide
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User Guide
20
Glossary of Terms
Raster Engraving – A method of engraving whereby the laser beam is scanned back and forth,
engraving horizontal lines in the work piece as it steps down the work piece vertically. At each pass
a series of laser pulses are applied to create the engraved image—similar in action to an inkjet or
laser printer.
Red Diode Pointer – The red beam used to indicate the path and position of the laser beam and focused spot. It is very
eective for correctly positioning work pieces and is also a beam alignment aid for maintenance. The red diode pointer
turns on whenever an interlock is open and turns o when all interlocks are closed.
Rotary Fixture – An accessory used to engrave or cut cylindrical objects.
Print Driver – Software that is the link between a computer and the laser system. The Print Driver for a ULS laser system
is proprietary software written by Universal Laser Systems. It has screens to allow selection of laser settings and to show
system status and conguration. When the user prints a job, the Print Driver issues software commands to the laser
system.
Pulley – A mechanisim composed of a wheel with groves that a belt runs across to change the direction of the focus
carriage.
PC – Personal Computer. The laser system requires a Windows-based operating systems as an integral part of its opera-
tion.
Power Supply – An electrical component that converts wall-plug electricity into voltages required for electronics and
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laser operation.
Outline – The line that denes the shape of a vector graphic. In order for an outline to be recognized as a vector, it
must be of minimum thickness – a “hairline” – less than 0.003 inches or 0.076 mm.