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E-14
733A-E-016A
Power Supply
This keyboard can be powered by current from a standard house-
hold wall outlet (using the specified AC adaptor) or by batteries. Al-
ways make sure you turn the keyboard off whenever you are not
using it.
Using Batteries
Always make sure you turn off the keyboard before loading or re-
placing batteries.
To load batteries
1.
Remove the battery compartment cover.
2.
Load six D-size batteries into the battery compartment.
• Make sure that the positive (+) and negative (–) ends are fac-
ing correctly.
3.
Insert the tabs on the battery compartment cover into
the holes provided and close the cover.
The keyboard may not function correctly if you load or replace bat-
teries with power turned on. If this happens, turning the keyboard
off and then back on again should return functions back to normal.
Important Battery Information
■
The following shows the approximate battery life.
Alkaline batteries ............................................... 2 hours
The above value is standard battery life at normal temperature,
with the keyboard volume at medium setting. Temperature ex-
tremes or playing at very loud volume settings can shorten bat-
tery life.
■
Any of the following symptoms indicate low battery power. Re-
place batteries as soon as possible whenever any of the following
occurs.
• Dim power supply indicator
• Instrument does not turn on
• Display that is flickering, dim, or difficult to read
• Abnormally low speaker/headphone volume
• Distortion of sound output
• Occasional interruption of sound when playing at high volumes
• Sudden power failure when playing at high volumes
• Flickering or dimming of the dispaly when playing at high vol-
ume
• Continued sound output even after you release a key
• A totally different tone may sound
• Abnormal rhythm pattern and demo tune play
• Loss of power, sound distortion, or low volume when playing
from a connected computer or MIDI device
• Sudden power failure while reading from or writing to a dis-
kette (WK-1800 only)
IMPORTANT!
Improper handling of batteries can cause them to burst and leak,
which creates the danger of personal injury or damage due to con-
tact with battery fluid. Be sure to note the following important precau-
tions.
• Always make sure that the positive (+) and negative (–) poles are
facing correctly as indicated inside the battery compartment.
• To avoid damage caused by leaking batteries, be sure to remove
batteries from the keyboard whenever you leave it unattended for
long periods (such as when leaving on a trip).
• Never mix batteries of different types.
• Never mix old batteries with new ones.
• Never discard batteries by incinerating them, do not allow their
poles to be shorted (connected to each other), never take batteries
apart, and do not expose batteries to direct heat.
• Replace batteries as soon as possible after any sign they are get-
ting weak.
• Never attempt to recharge batteries.
Using the AC Adaptor
Make sure that you use only the AC adaptor specified for this key-
board.
Specified AC Adaptor: AD-12
Also note the following important warnings and precautions when
using the AC adaptor.
WARNING!
• Take care to avoid any damage to or breakage of the power cord. Never
place any heavy objects on the power cord or expose it to direct heat.
Doing so creates the danger of power cord damage, fire, and electrical
shock.
• Use only the specified AC adaptor. Use of another type of adaptor cre-
ates the danger of fire and electrical shock.
CAUTION!
• For safety sake, be sure to unplug the AC adaptor from the wall outlet
whenever leaving the keyboard unattended for a long time (such as
when leaving on a trip).
• Always turn off the keyboard and unplug the AC adaptor from the wall
outlet when you are not using the keyboard.
IMPORTANT!
• Make sure that the keyboard is turned off before connecting or
disconnecting the AC adaptor.
• Using the AC adaptor for a long time can cause it to become warm
to the touch. This is normal and does not indicate malfunction.
tab
OUT IN
SUSTAIN/
ASSIGNABLE JACK
MIDI
LINE OUT
R L/MONO
DC 12V
AC adaptor AD-12
AC outlet
WK-1800/1600(E)-08~15 03.7.31, 5:20 PMPage 14 Adobe PageMaker 6.5J/PPC