OPERATION
EPT031055 Issue 2 September 2017 3-49
Polygon Delay - Delay between two “Mark” commands.
Polygon-Delay too short: the vector following a vector is already carried
out, even though the mirrors have not yet reached the end position of the
previous vector. Result: the corners of a polygon outline are rounded off.
Polygon-Delay too long: the mirrors are greatly slowed down or even come
to a stop at the end position of a vector. Result: burn-in points at the
affected vector ends.
Laser-Off Delay - Delay in switching the laser off.
Laser-Off-Delay too short: the laser is already switched off after a “Mark”
command, even though the mirrors have not yet reached the vector end
position. Result: the vectors are not marked completely.
Laser-Off-Delay too long: the laser is switched of too late after a “Mark”
command. The laser is still on, even though the mirrors are already being
significantly slowed down or have already stopped. Result: burn-in effects
at the end points.
Laser-On Delay - Delay in switching the laser on.
Laser-On-Delay too short: even though the mirrors have not yet reached
the required angular velocity at the beginning of a “Mark” command, the
laser is already switched on. Result: burn-in effects at the starting points.
Laser-On-Delay too long: the laser is switched on too late at the beginning
of a “Mark” command. Result: the vectors are not marked from the starting
point.
Laser Reference PRF0 - Reference frequency for the default wave form.
Laser Frequency - Sets the laser frequency and therefore the optical
output of the laser.
Step Period - Time period for data update of DSP in scanning head.
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