Radio Shack 580 owner manual Troubleshooting, Master VOL. is Turn up Master VOL

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TROUBLESHOOTING

If the Concertmate-580 is not performing as it should, these suggestions might help. If you still cannot solve the problem, take the keyboard to your local Radio Shack store for assistance.

Trouble	Possible Cause		Remedy
No sound, even if keys	1.	POWER is set to OFF.	1.	Set POWER to ON.
are pressed.	2.	MASTER VOL. is	2.	Turn up MASTER VOL.
		turned down.
	3.	Headphones are con-	3.	Disconnect headphones.
		nected.
	4.	Power supply prob-	4.	Check the power supply.
		lem.		• Are battery symbols (+/
				–) facing correctly?
				• Are the batteries fresh?
				• Is the AC adapter con-
				nected correctly?
No rhythm.	MASTER VOL. or		Adjust MASTER VOL. or
	RHYTHM VOL. is turned		RHYTHM VOL.
	down.
No accompaniment.	1. MASTER VOL. or		1.	Adjust MASTER VOL. or
		A.B.C. VOL. is turned		A.B.C. VOL.
		down.
	2.	Accompaniment but-	2.	Press SINGLE FINGER
		ton not pressed.		or FINGERED.
Occasional sound inter-	A refrigerator, washing		Use an outlet on a different
ference.	machine, or similar electric		electrical circuit than the inter-
	appliance is causing inter-		fering appliance.
	ference.
No sound when connect-	1.	POWER is set to OFF.	1.	Set POWER to ON.
ed to an external amplifi-	2.	MASTER VOL. is	2.	Turn up MASTER VOL.
er.
		turned down.
	3.	Defective connection	3.	Replace the connection
		cord.		cord.
	4.	Problem with external	4.	Check the external ampli-
		amplifier.		fier.

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