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Yamaha PSR-EW400 Owner's Manual: Setting Up Power Requirements

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Setting Up
Power Requirements
Although the instrument will run either from an AC
adaptor or batteries, Yamaha recommends use of an
AC adaptor whenever possible. An AC adaptor is
more environmentally friendly than batteries and
does not deplete resources.
NOTICE
• You should use an AC adaptor when executing USB flash
drive operations, since battery power may not be reliable
enough to last through these crucial operations.
Using an AC Adaptor
Connect the AC adaptor in the order shown in the
illustration.
PSR-E453
1
DC IN jack
(page 13)
PSR-EW400
2
DC IN jack
(page 13)
1
AC
adaptor
WARNING
• Use the specified AC adaptor (page 72) only. Using the
wrong AC adaptor can result in damage to the instrument
or overheating.
WARNING
• When using the AC adaptor with a removable plug, make
sure to keep the plug attached to the AC adaptor. Using the
plug alone can cause electric shock or fire.
• Never touch the metallic section when attaching the plug.
To avoid electric shock, short circuit or damage, also be
careful that there is no dust between the AC adaptor and
plug.
14
PSR-E453/PSR-EW400 Owner's Manual
2
AC
AC outlet
adaptor
AC Outlet
Power cord
The shape of the plug differs
depending on your area.
CAUTION
• When setting up the product, make sure that the AC outlet
you are using is easily accessible. If some trouble or mal-
function occurs, immediately turn the power off and dis-
connect the plug from the outlet.
NOTE
• Follow this procedure in reverse order when disconnecting
the AC adaptor.
Using Batteries
This instrument requires the following batteries.
• PSR-E453: Six "AA" size alkaline (LR6), manganese
(R6) or Ni-MH rechargeable batteries.
• PSR-EW400: Six "D" size alkaline (LR20), manga-
nese (R20) or Ni-MH rechargeable batteries.
The Alkaline batteries or rechargeable Ni-MH batter-
ies are recommended for this instrument, since other
types may result in poorer battery performance.
NOTICE
• When using Ni-MH batteries, follow the instructions that
came with the batteries.
3
1
Make sure that the power of the instrument is off.
2
Open the battery compartment cover located on
the instrument's bottom panel.
PSR-E453
Plug
Slide the plug as
indicated.
The shape of the plug differs
depending on your area.

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Latest comments:
  • Romel Enabore Apr 01, 2018 10:09:
    This is good and helpful. Thank you so much
  • Michael Witherspoon Sep 04, 2017 07:06:
    Need Manuel PSREW400 purchase from Sam ash