Here are some specific instructions on how to change the pitch of a keyboard instrument:
* To raise the pitch of a stringed keyboard instrument, turn the tuning pegs clockwise.
* To lower the pitch of a stringed keyboard instrument, turn the tuning pegs counterclockwise.
* To raise the pitch of a reed keyboard instrument, adjust the pitch control knob clockwise.
* To lower the pitch of a reed keyboard instrument, adjust the pitch control knob counterclockwise.
* To change the pitch by using different fingering techniques, play the same note on different octaves. For example, playing a note in the lower octave will produce a lower pitch, while playing the same note in a higher octave will produce a higher pitch.
It is important to note that changing the pitch of a keyboard instrument can affect its overall tuning. If you are not comfortable tuning your instrument yourself, you can take it to a professional piano tuner.