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User’s guide Ytterbium Pulsed Fiber Laser RFL-P20QB～P30QB Ver.: 2.0
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4. Operation Regulations
4.1 Pre-inspection
(8) Make sure the device appearance is in good condition and the output fiber is neither
excessively bended nor broken.
(9) Make sure signal line of laser and marking system are properly connected.
4.2 Operation procedures
1) Starting procedures
Please make sure the control system is on before you turn on the fiber laser. Only after at
least 1 minute since the power turned on, the subsequent operations can be preceded.
2) Frequency set introductions
For this special laser device, the frequency setting range is from 20 kHz to 60 kHz (P20QB),
or from 30 kHz to 60 kHz (P30QB).
3) Laser marking checking
For the device initial testing, first turn the power down to zero without turning on the
marking system after the device is successfully started. Then draw a quadrate, marking
continuously while slowly increasing the power from 0% to 100% at the same time. Meanwhile,
use a ceramic material to observe the laser and the laser should become stronger, otherwise shut
down the device and check. If operating normally, the marking system can be used in common
order afterwards.
4.3 Cautions
1) Marking frequency must be in the range of 20 kHz～60 kHz (P20QB), or 30 kHz～60kHz
(P30QB).
2) It should not modulate the frequency while marking.
3) Stop marking first before shutting down the device, then turn the power down to zero and cut
the power off.
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