Chapter 3: Tuning and Testing Procedures
© 2019 Cutting Edge Optronics
41
Patara II and Iklwa II Service Manual
Figure 3-2: HeNe Bullseye Pattern
Defeating the Cover Interlock
CAUTION
Defeating the cover interlock should only be used when the laser is being
serviced and the laser needs to be operated with the cover off in order to adjust an
optical component.
1.
Pull the pin up to disable the cover interlock switch. See
Figure 3-3
.
2.
Repeat for the second cover interlock switch.
Figure 3-3: The Cover Interlock Switch
HR/HM Alignment
1.
Locate the access holes for high-reflection (HR) and harmonic mirrors (HM).
Notice the positions of HR and HM mirrors with respect to the direction of the
laser output in Figure 3-3.
Pull pin up