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been completely separated from any airflow or heat sink, and comes dust sealed with an anti-
reflective coated output window.
Technics of PowerVX laser projectors
All PowerVX projectors are developed, tested and manufactured in Germany by MediaLas.
Each projector and its components run through extensive tests and alignment procedures, to
ensure a long and stable lifetime. The sandwich heat exchanger not only increases stability,
but also reduces thermal effects on the lasers and optics dramatically. Furthermore, active
cooled lasers and laser diodes are used.
Due to the nature of high-tech optical equipment used in the optical table section of the
PowerVX, the devices are more sensitive to external influences than normal lighting devices.
Please use this manual for basic hints and tricks for maintenance of PowerVX Laser Systems.
In case of any further help, please contact our service staff. Actual phone numbers and contact
information is provided on our website at www.medialas.com
Specification of laser output power
All PowerVX laser systems´ output power is specified "after the laser", as stated in brochures
and websites. The laser output power can be measured inside the housing, after beam
combination and collimation BEFORE the scanner mirrors and output window. The
procedure is quite simple: Use a 5V signal for all laser inputs, do NOT use a scanning pattern
from any kind of software, cause it will disturb your measurement results. Apply 5V signal to
positive color inputs pin 5,6,7 and apply ground to negative color inputs pin 18, 19 and 20.
Now use a pyro power meter (no laser check!) before the scanner. Here you should have the
specified minimum output power. The power is stated as an average output power, with a
tolerance of less than +/-10%.
Adjusting the scanners
On normal circumstances and under normal operating conditions, there is no need to readjust
the scanners. If, for any case, a readjustment has to be done, please refer to attachments
"Scanner tuning".
Aligning the optical color mixing device (RGY models only!)
After heavy transportation, or after large temperature differences, coming from outside cold
ambient to an inside warm ambient, it might be necessary to realign the optical setup inside.
Under normal circumstances, the optical section is maintenance free, and does not need to be
realigned.
The PowerVX optical section was designed for very easy alignment. The front lid can be
opened by the user, to adjust RGB mixing very easily from the front.
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