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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 accom-
pany 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 mod-
ify any of the specifications without notice or obligation to update exist-
ing 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 envi-
ronmentally friendly. We sincerely believe that our products and the pro-
duction 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 following:
Battery Notice:
This product MAY contain a small non-rechargeable battery which (if
applicable) is soldered in place. The average life span of this type of
battery is approximately five years. When replacement becomes neces-
sary, contact a qualified service representative to perform the replace-
ment.
92-BP
(bottom)
2
PSR-E403/YPT-400 Owner's Manual
SPECIAL MESSAGE SECTION
PLEASE KEEP THIS MANUAL
This product may also use "household" type batteries. Some of these
may be rechargeable. Make sure that the battery being charged is a
rechargeable type and that the charger is intended for the battery being
charged.
When installing batteries, do not mix batteries with new, or with batter-
ies of a different type. Batteries MUST be installed correctly. Mis-
matches or incorrect installation may result in overheating and battery
case rupture.
Warning:
Do not attempt to disassemble, or incinerate any battery. Keep all bat-
teries 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 rea-
son 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
number, 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
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