Yamaha yht-494 User Guide

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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 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 are 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, convenience receptacles, and the point 
where they exit from the apparatus.
11. Only use attachments/accessories specified by the 
manufacturer.
12. Use only with the cart, stand, tripod, bracket, 
or table specified by the manufacturer, or sold 
with the apparatus. When a cart is used, use 
caution when moving the cart/apparatus 
combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning 
storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing 
is required when the apparatus has been damaged in any way, 
such as 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.
IMPORTANT SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK 
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC 
SHOCK, DO NOT REMOVE COVER (OR BACK). 
NO USER-SERVICEABLE PARTS INSIDE. REFER 
SERVICING TO QUALIFIED SERVICE PERSONNEL.
• Explanation of Graphical Symbols
The lightning flash with arrowhead symbol, within an 
equilateral triangle, is intended to alert you to the 
presence of uninsulated “dangerous voltage” within the 
product’s enclosure that may be of sufficient magnitude 
to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is 
intended to alert you to the presence of important 
operating and maintenance (servicing) instructions in 
the literature accompanying the appliance.
IMPORTANT
Please record the serial number of this unit in the space below.
MODEL: 
Serial No.: 
The serial number is located on the rear of the unit. Retain this 
Owner’s Manual in a safe place for future reference.
FCC INFORMATION (for US customers)
1 IMPORTANT NOTICE: DO NOT MODIFY THIS 
UNIT!
This product, when installed as indicated in the instructions 
contained in this manual, meets FCC requirements. 
Modifications not expressly approved by Yamaha may void 
your authority, granted by the FCC, to use the product.
2 IMPORTANT: When connecting this product to 
accessories and/or another product use only high quality 
shielded cables. Cable/s supplied with this product MUST be 
used. Follow all installation instructions. Failure to follow 
instructions could void your FCC authorization to use this 
product in the USA.
3 NOTE: This product has been tested and found to comply 
with the requirements listed in FCC Regulations, Part 15 for 
Class “B” digital devices. Compliance with these 
requirements provides a reasonable level of assurance that 
your use of this product in a residential environment will not 
result in harmful interference with other electronic devices. 
This equipment generates/uses radio frequencies and, if not 
installed and used according to the instructions found in the 
users manual, may cause interference harmful to the operation 
of other electronic devices.
Compliance with FCC regulations does not guarantee that 
interference will not occur in all installations. If this product 
is found to be the source of interference, which can be 
determined by turning the unit “OFF” and “ON”, please try 
to eliminate the problem by using one of the following 
measures:
Relocate either this product or the device that is being 
affected by the interference.
Utilize power outlets that are on different branch (circuit 
breaker or fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient the 
antenna. If the antenna lead-in is 300 ohm ribbon lead, 
change the lead-in to coaxial type cable.
If these corrective measures do not produce satisfactory 
results, please contact the local retailer authorized to 
distribute this type of product. If you can not locate the 
appropriate retailer, please contact Yamaha Electronics 
Corp., U.S.A. 6660 Orangethorpe Ave., Buena Park, CA 
90620.
The above statements apply ONLY to those products 
distributed by Yamaha Corporation of America or its 
subsidiaries.