Using The Ac Adaptor; Auto Power Off; Settings - Casio CTK-720 User Manual

Using the AC Adaptor

Make sure that you use only the AC adaptor specified for
this keyboard.
Specified AC Adaptor: AD-5
[Rear Panel]
DC 9V jack
Note the following important precautions to avoid damage
to the power cord.
GDuring Use
• Never pull on the cord with excessive force.
• Never repeatedly pull on the cord.
• Never twist the cord at the base of the plug or connector.
• The power cord should not be stretched tight while it is
in use.
GDuring Movement
• Before moving the keyboard, be sure to unplug the AC
adaptor from the power outlet.
GDuring Storage
• Loop and bundle the power cord, but never wind it
around the AC adaptor.
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 touch. This is normal and does not
indicate malfunction.
628A-E-015A
AC adaptor AD-5
AC outlet

Auto Power Off

When you are using battery power, keyboard power turns
off automatically whenever you leave it on without
performing any operation for about 6 minutes. When this
happens, use the POWER/MODE switch to turn power back
on.
NOTE
• Auto Power Off is disabled (it does not function) when
you are using the AC adaptor to power the keyboard.
To disable Auto Power Off
Hold down the TONE button while turning on the keyboard
to disable Auto Power Off.
NOTE
• When Auto Power Off is disabled, the keyboard does
not turn off automatically no matter how long it is left
with no operation being performed.
• Auto Power Off is automatically enabled whenever you
turn on keyboard power.

Settings

All keyboard settings are returned to their initial defaults
whenever keyboard power is turned back on after being
turned off by operation of the POWER/MODE switch or Auto
Power Off.
Power Supply
E-13