Safety Instructions
QDSP-400 Series User’s Manual
Safety Instructions
Before You Begin
Before handling the product, read the instructions and safety guidelines on the
following pages to prevent damage to the product and to ensure your own personal
safety. Refer to the “Advisories” section in the Preface 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 power supplies produce high voltages and
energy hazards, which can cause bodily harm.
Use extreme caution when installing or removing components. Refer to the
installation instructions in this user’s guide for precautions and procedures.
If you have any questions, please contact our Post-Sales Technical
Support.
Access can only be gained by service persons or by users who have
been instructed about the reasons for the restrictions applied to the
location and about any precautions that shall be taken; and access is
through the use of a tool or lock and key, or other means of security,
and is controlled by authority responsible for the location.
WARNING
High voltages are present inside the chassis when the unit’s power cord is plugged into
an electrical outlet. Turn off system power, turn off the power supply, and then
disconnect the power cord from its source before removing the chassis cover. Turning off
the system power switch does not remove power to components.
