Introduction/Safety Instructions
RA150/300/500 Reference Manual 3
IMPORTANT SAFETY INSTRUCTIONS
SAFETY SYMBOLS USED IN THIS PRODUCT
This symbol alerts the user that there
are important operating and maintenance
instructions in the literature accompanying this
unit.
This symbol warns the user of
uninsulated voltage within the unit that can cause
dangerous electric shocks.
This symbol warns the user that output
connectors contain voltages that can cause
dangerous electrical shock.
PLEASE FOLLOW THESE PRECAUTIONS
WHEN USING THIS PRODUCT:
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a damp cloth. Do not spray
any liquid cleaner onto the faceplate, as this
may damage the front panel controls or cause a
dangerous condition.
7. Do not block any of the ventilation openings.
Install in accordance with the manufacturer's
instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce
heat.
9. Protect the power cord from being walked on or
pinched, particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.
10. Use only attachments or accessories specified by
the manufacturer.
11. Unplug this apparatus during lightning storms
or when unused for long periods of time.
12. Do not defeat the safety purpose of
the polarized or grounding-type plug. A
polarized plug has two blades with one
wider than the other. A grounding-type
plug has two blades and a third
grounding prong. The wide blade or the
third prong are provided for your safety.
When the provided plug does not fit into
your outlet, consult an electrician for
replacement of the obsolete outlet.
13. Use only with a cart, stand, bracket, or table
designed for use with professional audio or
music equipment. In any installation,
make sure that injury or damage will not
result from cables pulling on the apparatus
and its mounting. If a cart is used, use
caution when moving the cart/apparatus
combination to avoid injury from tip-over.
14. Refer all servicing to qualified service
personnel. Servicing is required when the
apparatus has been damaged in any way, such
as when the power-supply cord or plug is
damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not
operate normally, or has been dropped.
15. This unit produces heat when operated
normally. Operate in a well-ventilated area
with at least six inches of clearance from
peripheral equipment.
16. This product, in combination with an amplifier
and headphones or speakers, may be capable of
producing sound levels that could cause
permanent hearing loss. Do not operate for a
long period of time at a high volume level or at
a level that is uncomfortable. If you experience
any hearing loss or ringing in the ears, you
should consult an audiologist.