Casio PS-20 manual Troubleshooting, Reference

Troubleshooting

Symptom		Possible Cause		Action	Reference
No sound produced when keyboard	1.	VOLUME knob set to MIN.	1.	Move the VOLUME knob more	Page E-12
keys are pressed.				towards MAX.
	2.	Headphones connected to the	2.	Disconnect the headphones from	Page E-11
		digital piano.		the digital piano.
	3.	Local Control turned off.	3.	Turn on Local control.	Page E-24
Keyboard out of tune.	1.	Transpose is set to a value other	1.	Change the transpose setting to 0,	Page E-20
		than 0.		or turn the digital piano power off
				and then back on again.
	2.	Incorrect tuning setting	2.	Correct the tuning setting, or turn	Page E-21
				the digital piano power off and
				then back on again.
No sound produced by demo tune	1.	VOLUME knob set to MIN.	1.	Move the VOLUME knob more	Page E-12
play.				towards MAX.
	2.	Headphones connected to the	2.	Disconnect the headphones from	Page E-11
		digital piano.		the digital piano.
Memory contents deleted.	Lithium battery is dead.		Contact your CASIO Service Provider		Page E-28
			for replacement of the lithium battery.
No sound produced by connected	1.	The digital piano Keyboard	1.	Change the Keyboard Channel	Page E-23
external MIDI sound source when		Channel does not match the		settings so they are identical.
the digital piano keys are pressed.		Keyboard Channel of the MIDI
		sound source.
	2.	Volume or expression setting of	2.	Change the volume or expression	See the
		the external sound source is set to		setting of the external sound source	documenta-
		0.		to an appropriate value.	tion that
					comes with
					the external
					sound
					source.

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