Furman Sound PST-8 - Manual (Page 4)

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7. Your PST-8 should be serviced by qualifi ed service personnel
when:
• The power supply cord or the plug has been frayed, kinked, or cut.
• Objects have fallen or liquid has spilled into the unit.
• The unit has been exposed to rain or other moisture.
• The unit does not appear to operate normally, exhibits a marked
change in performance, or the Protection OK indicator is not lit.
• The unit has been dropped, or the enclosure damaged.
8. Your PST-8 requires that a safety ground be present for proper
operation. Any attempt to operate the unit without a safety ground is
considered improper operation and could invalidate the warranty.
Operation
AC, Telephone, and Coaxial Connectors AC, Telephone, and Coaxial Connector AC, Telephone, and Coaxial Connector
Telco – Satellite / Cable Transient Voltage Surge Suppressors:
The PST-8 features transient voltage surge suppression for both
standard telephone lines, as well as cable and satellite lines utilizing
standard coaxial connectors. As these surge suppressors are in-
line, they will require an additional cable (supplied with the PST-8) to
connect from their output to the control device requiring protection.
All in-line surge suppressors feature our exclusive ground
contamination free technology. This aids in eliminating audio
buzzing, and the video hum-bars that can result from typical in-line