Safety
ii APx511 B Series Hearing Instrument Analyzer: Safety
create safety hazards. Using this product in a manner not
specified by Audio Precision can result in a safety hazard.
This product is for indoor use—Installation Category II,
Measurement Category I, pollution degree 2.
To clean the enclosure of this product, use a soft cloth or
brush to remove accumulated dust. A mild detergent may be
used to remove remaining dirt or stains. Do not use strong
or abrasive cleaners. Wipe all surfaces with a damp cloth.
This unit is supplied with four feet on the bottom surface
and four feet on the right side surface. The unit should only
be operated while resting on the bottom surface feet. The
feet on the right side are provided for convenience and sta-
bility when transporting the unit. DO NOT operate the unit
while it is sitting on the side feet.
Safety Symbols
The following symbols may be marked on the panels or
covers of equipment or modules, and are used in this man-
ual:
WARNING!—This symbol alerts you to a potentially haz-
ardous condition, such as the presence of dangerous volt-
age that could pose a risk of electrical shock. Refer to the
accompanying Warning Label or Tag, and exercise extreme
caution.
ATTENTION!—This symbol alerts you to important oper-
ating considerations or a potential operating condition that
could damage equipment. If you see this marked on equip-
ment, refer to the Operator’s Manual or User’s Manual for
precautionary instructions.
FUNCTIONAL EARTH TERMINAL—A terminal marked
with this symbol is electrically connected to a reference
point of a measuring circuit or output and is intended to be
earthed for any functional purpose other than safety.
PROTECTIVE EARTH TERMINAL—A terminal marked
with this symbol is bonded to conductive parts of the instru-
ment and is intended to be connected to an external protec-
tive earthing system.
Disclaimer
Audio Precision cautions against using their products in a
manner not specified by the manufacturer. To do otherwise
may void any warranties, damage equipment, or pose a
safety risk to personnel.
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