Rocktron VooDu Valve - Manual (Page 5)

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OPERATING PRECAUTIONS
NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE
YEARS OF TROUBLE FREE USE. THIS UNIT REQUIRES CAREFUL HANDLING.
All warnings on this equipment and in the operating instructions should be adhered
to and all operating instructions should be followed.
Do not use this equipment near water. Care should be taken so that objects do not
fall and liquids are not spilled into the unit through any openings.
The power cord should be unplugged from the outlet when left unused for a long
period of time.
DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT. THIS EQUIPMENT SHOULD
BE SERVICED BY QUALIFIED PERSONNEL ONLY. DO NOT MAKE ANY INTER-
NAL ADJUSTMENTS OR ADDITIONS TO THIS EQUIPMENT AT ANY TIME. DO
NOT TAMPER WITH INTERNAL ELECTRONIC COMPONENTS AT ANY TIME.
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY VOID THE WARRANTY OF
THIS EQUIPMENT, AS WELL AS CAUSING SHOCK HAZARD.
POWER REQUIREMENTS
This unit accepts power from the 9VAC/3.4A adaptor supplied with the unit. This 9
volt RMS AC voltage is internally processed by a voltage doubler which generates a
bipolar ±15 volts to maintain the headroom and sound quality of professional, studio
quality equipment. Using an external power source such as this minimizes exces-
sive noise and hum problems often associated with internal transformers, providing
optimal performance for the user.
OPERATING TEMPERATURE
Do not expose this unit to excessive heat. This unit is designed to operate between
32° F and 104° F (0° C and 40° C). This unit may not function properly under
extreme temperatures.