Optimizing The Delays - Scanlab RTC 5 PC Interface Board Installation And Operation Manual

Optimizing the Delays

The following figures show the various effects of
non-optimized delays on the letters "RTC".
LaserOn Delay too short
At the beginning of a mark vector
the laser is switched on, even
though the mirrors have not yet
reached the necessary angular
velocity.
Burn-in effects at the start points
of the respective vectors result.
LaserOn Delay too long
The laser is turned on too late at
the beginning of a mark vector.
The first part of the vector is not
marked.
LaserOff Delay too short
The laser is turned off after the
last mark command of a line or
polyline, although the mirrors
have not yet reached the end
position of the vectors.
The respective vectors are not
marked completely.
LaserOff Delay too long
The laser is turned off too late
after the last mark command of a
line or polyline. The laser is still
on, even though the mirrors have
already stopped or move only
very slowly.
The results are burn-in effects at
the end points of the respective
vectors.
®
RTC 5 PC Interface Board
Rev. 1.9 e
7 Basic Functions for Scan Head and Laser Control
Mark Mark
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Mark Mark
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