Casio PX-700 Service Manual page 17

5. Headphone check
1 Press "FUNCTION" button to perform the "Headphone check."
The confirmation chord C6 sounds and "PLAY" LED lights.
2 Connect the headphone to the LEFT jack.
"REC" LED lights.
3 Remove the headphone from the jack.
"PLAY" LED lights.
4 Connect the tuning meter to the RIGHT jack.
"REC" LED lights.
5 Press the "A4" key.
Make sure that the tuning meter is set at 440 ± 2sents.
6 Remove the tuning meter from the jack.
"PLAY" LED lights.
7 Press "FUNTION" button to finish the "headphone check."
The confirmation chord C6 sounds.
6. MIDI check (If there is no MIDI cable, this check can be skipped.)
1 Press "TONE1" button to perform the "MIDI check."
NG tone sounds.
2 Connect a MIDI cable.
3 Press the "TONE1" button and make sure confirmation chord C7 sounds.
4 Press the "FUNCTION" button.
The confirmation chord C6 sounds twice.
5 Turn off the "POWER" button.
6 Turn on the "POWER" button.
The diagnostic program ends.
1 Remove the Pedal unit.
2 Remove the MIDI cable.
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