What to do if my Optimus Concertmate 410 has no power?
If your Optimus Electronic Keyboard isn't powering on, check the power supply. Make sure the batteries are installed correctly and are fresh. Also, verify the AC/DC adapter connection is correct.
Sound| polyphonic sound | 4-note (Maximum) |
|---|---|
| preset voices | 12 |
| auto-rhythm | 12 |
| demonstration songs | 18 Songs |
Built-in Features| effects | REVERB, OCTAVE |
|---|---|
| melody memory | Up to 17 notes |
| percussion pads | BASS DRUM, SNARE DRUM, CYMBAL, HI-HAT, TOM |
Power| power sources | DC: 6 C batteries, AC: 120V, 60Hz, Vehicle Battery: 9-12V |
|---|---|
| power consumption | DC 1.5 W |
| jacks | PHONE, DC9V |
Weight and Dimensions| dimensions | 3[1]/16 × 22[5]/8 × 8[3]/4 Inches (78 × 575 × 222 mm) |
|---|---|
| weight (without batteries) | 3 lb 1.4 oz (1.4 kg) |
| built-in speakers | 3[1]/2 Inch × 2 (4 ohm) |
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