Important Safety Information
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
moisture.
1. Read these instructions.
2. Keep these instructions.
3. Read all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. DO NOT block any 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. 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, is provided for your safety. If the provided plug does not
fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs.
11. Only use attachments/accessories specified by the manufacturer.
12. Unplug this apparatus during lightning storms or when unused for long periods of the time.
13. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged or is not operating properly (damaged power-supply cord or plug, liquid spilled onto the
unit or fallen objects into the apparatus, unit exposed to rain or dropped).
CAUTION: TO PREVENT RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). THERE ARE NO
USER-SERVICESABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert
the user of a risk of the electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the literature
accompanying the appliance.
FCC Statement (Part 15) – Radio Frequency Interference
The TU-508 Digital Stereo Tuner generates and uses radio frequency energy and if not installed and used
in strict accordance with the manufacturer's instructions, may cause interference to radio and television
reception. Testing is being conducted for compliance with the limits for a Class B device in accordance
with the specifications in Part 15 of the FCC Rules and Canadian D.O.C regulations in order to provide
reasonable protection against such interference. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause interference to radio or television
TU-508 Digital Stereo Tuner
TU-508
2