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Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a vol- ume level that does not cause dis- comfort might still damage your hearing.

CONNECTING AN

EXTERNAL AMPLIFIER

To amplify your MD-1150’s sound, you can connect it to an external amplifier (not supplied) using an audio cable (not supplied) with a 1/4-inch (6.35-mm) plug.

To connect an external amplifier to your keyboard, insert the cable’s 1/4-inch (6.35-mm) plug into the PHONES/OUT- PUT jack on the back of the keyboard, and connect the cable’s other end to the amplifier’s input jack(s) (such as AUX IN or TAPE IN).

Your local RadioShack store sells a full line of amplifiers, speakers, and connec- tion cables.

USING THE MUSIC STAND

To easily view sheet music while playing your keyboard, insert the supplied music stand into the slot on the top back panel.

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Optimus MD-1150 owner manual Connecting AN External Amplifier, Using the Music Stand