Casio AP-420 manual E-26

Using a Memory Card

Error Indicators

The following shows how the lamps indicate the error type when an error occurs due to data transfer failure or some other reason.

Lamps

Error	No Card	No File	No Data	Protect	ReadOnly	MediaFull
Type
	1. The memory card	1. There is no	You are attempting	The memory card is	A read-only file	1. There is not
	is not loaded	MUSICDAT	to save data to a	write-protected.	with the same name	enough room
	correctly in the	folder (page E-23)	memory card when		you are trying to	available on the
	Digital Piano’s	on the memory	there is no data to		use is already stored	memory card.
	memory card slot.	card.	save.		on the memory
Cause					card.	2. There is not
	2. The memory card	2. There is no				enough room
	was removed	loadable or				available in
	while some	playable file in the				Digital Piano
	operation was in	MUSICDAT				memory.
	progress.	folder.
	1. Correctly load the	1. Create a	Record something	Use the memory	• Use a different	1. Delete some of the
	memory card into	MUSICDAT	before performing a	card’s write protect	name to save the	files on the
	the memory card	folder on the	save operation.	switch to enable	new file.	memory card to
	slot.	memory card or		writing.	• Remove the read-	make room for
		format the			only attribute	new data (page
	2. Do not remove	memory card on			from the existing	E-24), or use a
	the memory card	the Digital Piano			file and overwrite	different card.
Action	while any	(page E-22).			it with the new
	operation is in				file.	2. Delete some or all
	progress.	2. Move the file you			• Use a different	user data from
		want to load or			memory card.	Digital Piano
		play into the				memory to make
		memory card’s				room for new
		MUSICDAT				data.
		folder.

E-26