Optimus MD-1200 ユーザーズマニュアル

48

If the MD-1200 is not performing as it should, these suggestions might help. If you still
cannot solve the problem, take the keyboard to your local RadioShack store for assis-
tance.

No sound, even if keys are 
pressed.

The keyboard has turned off 
automatically.

Turn POWER on again.

Volume is turned down.

Turn up the volume.

Headphones are connected.

Disconnect headphones.

Power supply problem.

Make sure the batteries are 
facing correctly to match the 
marked polarity (+/–).

Replace the batteries with 
fresh ones.

Connect the AC adapter 
properly.

You are pressing too few 
accompaniment keys while 
MODE is set to FINGERED.

Set MODE to NORMAL or 
CONCERT CHORD.

Press 3 or 4 keys to form a 
chord while MODE is set to 
FINGERED.

No sound when connected 
to an external amplifier.

Volume is turned down.

Turn up the volume on the 
keyboard and amplifier.

Defective connection cord.

Replace the connection 
cord.

42-4041.fm  Page 48  Tuesday, August 3, 1999  6:56 AM