Fcc information (u.s.a.) – Yamaha PSR-E253 User Manual
PSR-E253/YPT-255 Owner’s Manual
1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!
This product, when installed as indicated in the instructions
contained in this manual, meets FCC requirements. Modifica-
tions not expressly approved by Yamaha may void your author-
ity, granted by the FCC, to use the product.
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.
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 pro-
vides 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 gen-
erates/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 deter-
mined 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 contact Yamaha Corporation of America, Elec-
tronic Service Division, 6600 Orangethorpe Ave, Buena Park,
The above statements apply ONLY to those products distrib-
uted by Yamaha Corporation of America or its subsidiaries.
* This applies only to products distributed by YAMAHA CORPORATION OF AMERICA.
FCC INFORMATION (U.S.A.)
For AC adaptor and PSR-E253/YPT-255