Panel Descriptions

Phones Jacks

Here you can connect stereo headphones.
The HP503 has two headphone jacks, two people can
also use headphones simultaneously.

Input Jacks

If a digital audio player
or other audio playback
device is connected here,
you’ll be able to listen to
its playback through the
HP503.
Use the controls of your
audio playback device to
adjust the volume.
Don’t forget to remove your headphone adaptor plug!
If you leave a headphone adaptor plug inserted in
the headphone jack, no sound will be heard from the
piano. If you don’t hear sound from the piano, check
the headphone jacks.

MIDI Connectors

You can connect these to
external MIDI devices.
* To prevent malfunction and equipment failure, always turn down the volume, and turn o all the units before making any connections.
* When connection cables with resistors are used, the volume level of equipment connected to the Input jacks may be low. If this happens, use connection cables that
do not contain resistors.

Output Jacks

If you connect these jacks to
amplied speakers, the sound
of HP503 will be heard through
them.
Rear side

DC In Jack

Connect the
included AC
adaptor here.
* Before making this connection,
you must make sure that the
[Power] switch is o.

Pedal Connector

Connect
the pedal
cord of the
dedicated stand to this
connector.
page 62
page 62
Rear Panel and Bottom Panel (HP503)
12