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


 
Using the Instruction Manual
Congratulations on the purchase of your new digital piano! With your new piano, you’ll enjoy
breakthrough technology and advanced sound reproduction – bringing you professional performance and
entertainment all in one! This skillfully built digital piano enables you to explore your creativity, and helps
make yours a more musical home…
Before using your new piano, we recommend you read through this manual completely and keep it handy
for future reference.