User Guide
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Open 
A 
1.3.1 Opening the housing panel 
A micro switch is allocated on the housing panel. It helps indicate whether the panel is removed or 
intact. To open front door: 
1.  Turn off the power to the system unit and unplug all cables. 
2.  Unlock two thumbscrews using your fingers. 
3.  Gently pull back the housing panel and detach. 










