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■ Sustain pedal check
1. Connect the Sustain pedal(SP-2 or SP-10, option).
2. Depress and release the pedal.
3. When the sustain circuit is normal, display indecates "Foot Pedal 00 - 7F[OK].
■ MIDI IN/OUT test
1. Connect MIDI IN and MIDI OUT terminals with a MIDI cable.
2. Press "MIDI" button.
3. When the MIDI circuit is normal, display indicates "MIDI loop [OK]".
■ Host select switch
1. Change the Host select switch in order of PC2→PC1→MAC→MIDI.
Select switch "PC2", display indicates "host [PC2]".
Select switch "PC1", display indicates "host [PC1]".
Select switch "MAC", display indicates "host [MAC]".
Select switch "MIDI", display indicates "host [MID]".
■ FDD check
1. Insert formatted floppy disk to FDD.
2. Push the "DISK" button, so FDD starts to read floppy disk.
3. When the FDD is normal, display indicates "FDD check XX/XX [OK]".
4. To stop FDD, push again the "DISK" button.
■ Headphone check
1. Connect Headphone to "PHONES" terminal.
2. Push the "DEMO" button, so sine wave sound is heard by right side of the headphone.
3. Push the "DEMO" button once more, so sine wave sound is heard by both side of the headphone.
4. Push the "DEMO" button once more, so sine wave sound is heard by left side of the headphone.
5. Push the "DEMO" button once more, so sine wave sound is stoppped.
■ To exit from the diagnostic program
Turn off power. When turning off power, hold down the "POWER" button for a short while.
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