HP (Hewlett-Packard) Princeton HP-21 Electronic Keyboard User Manual


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General Guide
Top View
Rear View
Front View
1. Control Panel
2. Pedal Jack
3. MIDI IN/OUT Jack
4. AUX. OUT Jack
5. AC Power Jack
6. Headphones Jack
7. Soft Pedal
8. Sostenuto Pedal
9. Sustain Pedal
10. Music Stand
11. Piano Keyboard
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