Casio CTK-4000 User Manual

E-8
Getting Ready to Play
Either an AC adaptor or batteries can be used to power this
Digital Keyboard. Normally, use of AC adaptor power is
recommended.
• The AC adaptor does not come with this Digital Keyboard.
Purchase it separately from your retailer. See page E-3 for
information about options.
Use the AC adaptor when you want to power the Digital
Keyboard from a household electrical outlet.
• Be sure to turn off Digital Keyboard power before
connecting or disconnecting the AC adaptor.
• Be sure to turn off power before loading batteries.
• It is up to you to prepare six commercially available
D-size batteries. Do not use oxyride batteries or any
other nickel based batteries.
1. Open the battery cover on the bottom of the
Digital Keyboard.
2. Load six D-size batteries into the battery
compartment.
Make sure the positive + and negative - ends of the
batteries are facing as shown in the illustration.
3. Insert the tabs of the battery cover into the
holes on the side of the battery compartment,
and close the cover.
■ Low Battery Indication
The indicator shown below starts to flash to let you know
when battery power is low. Replace the batteries with new
ones.
Preparing the Music Stand
Power Supply
Using the AC Adaptor
Specified AC Adaptor: AD-5 (CTK-4000)
AD-12 (CTK-5000)
Music stand
Household power outlet
AC adaptor
DC 9V terminal (CTK-4000)
DC 12V terminal (CTK-5000)
Using Batteries
Tabs
Low battery indicator
(flashes)

Casio CTK-4000 Specifications

General

MIDI-keyboard number of keys	61 keys
Mac compatibility	Yes
Dimensions (WxDxH)	550 x 376 x 130 mm
Power requirements	9V DC, 7.7W
Compatible operating systems	- Windows XP/Vista - Mac OS X 10.3
Interface	USB

Weight and Dimensions

Weight	4600 g