User Guide

2
PSR-450 Owner’s Manual
PLEASE KEEP THIS MANUAL
This product utilizes batteries or an external power supply (adapter). DO
NOT connect this product to any power supply or adapter other than one
described in the manual, on the name plate, or specifically recommended
by Yamaha.
This product should be used only with the components supplied or; a cart,
rack, or stand that is recommended by Yamaha. If a cart, etc., is used,
please observe all safety markings and instructions that accompany the
accessory product.
SPECIFICATIONS SUBJECT TO CHANGE:
The information contained in this manual is believed to be correct at the
time of printing. However, Yamaha reserves the right to change or modify
any of the specifications without notice or obligation to update existing
units.
This product, either alone or in combination with an amplifier and head-
phones or speaker/s, may be capable of producing sound levels that could
cause permanent hearing loss. DO NOT operate for long periods 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.
IMPORTANT: The louder the sound, the shorter the time period before
damage occurs.
NOTICE:
Service charges incurred due to a lack of knowledge relating to how a
function or effect works (when the unit is operating as designed) are not
covered by the manufacturer’s warranty, and are therefore the owners
responsibility. Please study this manual carefully and consult your dealer
before requesting service.
ENVIRONMENTAL ISSUES:
Yamaha strives to produce products that are both user safe and environ-
mentally friendly. We sincerely believe that our products and the produc-
tion methods used to produce them, meet these goals. In keeping with
both the letter and the spirit of the law, we want you to be aware of the fol-
lowing:
Battery Notice:
This product MAY contain a small non-rechargeable battery which (if appli-
cable) is soldered in place. The average life span of this type of battery is
approximately five years. When replacement becomes necessary, contact
a qualified service representative to perform the replacement.
This product may also use “household” type batteries. Some of these may
be rechargeable. Make sure that the battery being charged is a recharge-
able type and that the charger is intended for the battery being charged.
When installing batteries, do not mix batteries with new, or with batteries of
a different type. Batteries MUST be installed correctly. Mismatches or
incorrect installation may result in overheating and battery case rupture.
Warning:
Do not attempt to disassemble, or incinerate any battery. Keep all batteries
away from children. Dispose of used batteries promptly and as regulated
by the laws in your area. Note: Check with any retailer of household type
batteries in your area for battery disposal information.
Disposal Notice:
Should this product become damaged beyond repair, or for some reason
its useful life is considered to be at an end, please observe all local, state,
and federal regulations that relate to the disposal of products that contain
lead, batteries, plastics, etc. If your dealer is unable to assist you, please
contact Yamaha directly.
NAME PLATE LOCATION:
The name plate is located on the bottom of the product. The model num-
ber, serial number, power requirements, etc., are located on this plate. You
should record the model number, serial number, and the date of purchase
in the spaces provided below and retain this manual as a permanent
record of your purchase.
Model
Serial No.
Purchase Date
SPECIAL MESSAGE SECTION
92-BP (bottom)