QSC DSP-4 Hardware Manual Download Page 2

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IMPORTANT SAFETY PRECAUTIONS & EXPLANATION OF SYMBOLS

The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the
presence of uninsulated “dangerous” voltage within the product’s enclosure that may be of sufficient mag-
nitude to constitute a risk of electric shock to humans.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of impor-
tant operating and maintenance (servicing) instructions in this manual.

CAUTION: To reduce the risk of electric shock, do not remove the cover. No user-serviceable parts inside.
Refer servicing to qualified service personnel.

SAFEGUARDS
•Electrical energy can perform many useful functions. This unit has been engineered and manufactured to
assure your personal safety. Improper use can result in potential electrical shock or fire hazards. In order
not to defeat the safeguards, observe the following instructions for its installation, use and servicing.
•Maximum operating ambient temperature is 50° C.
•Never restrict the airflow through the device’s fan or vents.
•When installing equipment into a rack, distribute the units evenly. Otherwise hazardous conditions may
be created by an uneven weight distribution.
•Connect the unit only to a properly rated supply circuit.
•Reliable Earthing (Grounding) of rack-mounted equipment should be maintined.
•To prevent fire or electric shock, do not expose this equipment to rain or moisture.

WARNING!

While QSC has endeavored to develop and produce the most dependable and robust Digital Signal Processor (DSP)
audio product for your use, due to the unlimited and potentially destructive (to the sound system) configurations
that may be applied to the DSP by the user, QSC cannot be held responsible for damages resulting from any devia-
tion or failure by the user to strictly follow the recommendations set forth in the owner’s manual for the integration
of the DSP-4 and Signal Manager software with your sound system.
All risks attendant to integration of user-configurable DSP products with your sound system are assumed by you.
While QSC strives to supply the highest quality technical solutions for Digital Signal Processing, in no event will
QSC or its suppliers be held liable for any damages, consequential, incidental, or otherwise, including any claims
for lost profits and/or savings resulting from any attempted integration of the DSP-4 and Signal Manager software
which does not strictly adhere to the manual’s recommendations.

FCC INTERFERENCE STATEMENT
NOTE: This equipment has been tested and found to comply with the limits for a class B digital device, pur-
suant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harm-
ful interference in a residential installation. This equipment generates, uses, and can radiate radio
frequency energy and if not installed and used in accordance to the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference will not occur in a par-
ticular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by switching the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and the receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio or TV technician for help.

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