Yamaha PSR-EW400 Owner's Manual page 3

For AC adaptor and PSR-E453/PSR-EW400
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the instructions con-
tained 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 reason-
able level of assurance that your use of this product in a residential
environment will not result in harmful interference with other elec-
tronic 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
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.
The model number, serial number, power requirements, etc., may be
found on or near the name plate, which is at the bottom of the unit.
You should note this serial number in the space provided below and
retain this manual as a permanent record of your purchase to aid
identification in the event of theft.
Model No.
Serial No.
FCC INFORMATION (U.S.A.)
(bottom_en_01)
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 elimi-
nate 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 co-axial 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 con-
tact Yamaha Corporation of America, Electronic Service Division,
6600 Orangethorpe Ave, Buena Park, CA90620
The above statements apply ONLY to those products distributed by
Yamaha Corporation of America or its subsidiaries.
PSR-E453/PSR-EW400 Owner's Manual
(class B)
3