Before You Begin -xiKUBE-8020 User’s GuideX Before You BeginBefore handling the KUBE-8020, read the instructions and safety guidelines on the following pages to preventdamage to the product and to ensure your own personal safety. Refer to the “Advisories” section in thePreface for advisory conventions used in this user’s guide, including the distinction between Warnings,Cautions, Important Notes, and Notes. Always use caution when handling/operating a computer. Only qualified, experienced,authorized electronics service personnel should access the interior of a computer. The powersupplies produce high voltages and energy hazards, which can cause bodily harm. Use extreme caution when installing or removing components. Refer to the installationinstructions in this user’s guide for precautions and procedures. If you have any questions,please contact Quanmax Post-Sales Technical Support.WARNINGHigh voltages are present inside the chassis when the unit’spower cord is plugged into an electrical outlet. Turn offsystem power, turn off the power supply, and then disconnectthe power cord from its source before removing the chassiscover. Turning off the system power switch does not removepower to components.