I have a Casio CTK 700. I used to use the AC Adapter to play the keyboard, but tomorrow I need to playit at a place without a plug point. But my keyboard does not work if I remove the AC adapter. Please help. Urgently need the answer!
If you turn it over, you will see the battery compartment. It runs on 6 AA batteries. Here's a link to the manual. Instructions are on page 13.
http://support.casio.com/pdf/008/ctk_496_700_e.pdf
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