Casio PX-720 User Manual

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DIAGNOSTIC PROGRAM

Initial Setting
1. Connect the AC adaptor.
2. Connect the pedal.
NOTE: If there is no pedal, pedal check can be skipped.
3. “Main” volume: MAX

How to start diagnostic program
1. While pressing down “METRONOME”, “RECORDER”, and “

/

” buttons at the same time, turn the power ON.
* Wait for confirmation chords C4, E4, G4 sound.
2. Release “METRONOME”, “RECORDER”, and “

/

” buttons

Diagnostic program
1. Automatic Test

RAM check

ROM check
“L / R” or “

/

” lights when an error is found in ROM.

LED check
The LEDs light in thesequence shown below
2. MODEL check

Press “TONE/SETTING” button to perform the “MODEL check.”
The confirmation chords C4, E4, G4 sounds.
“R” LED flashes.

Casio PX-720 Specifications

General

Brand	Casio
Model	PX-720
Category	Musical Instrument
Language	English