Yamaha Electone EL-87 Owner's Manual page 91

Messages on the M.D.R. LED Display
Display Description of the Messages
No disk is installed. Install a disk.
1) The installed disk is write-protected, so the Record, Song Copy, and Song Delete jobs cannot be performed.
Set the disk's Write-protect tab to OFF. (see page 69.)
2) If you are using a copy-protected playback-only disk, this message may appear when you attempt the Record,
Song Copy, or Song Delete operations.
3) When executing Disk Copy, set the Write-protect tab on the source disk to ON.
The installed disk is not formatted. Format the disk. (see page 70.)
1) The disk's memory capacity is full, so the Record or Song Copy operation cannot be performed. Use another
formatted disk.
2) Data is already recorded at all song numbers, so the Song Copy operation cannot be performed. Press the
STOP button, then delete any unnecessary songs.
None of the song numbers contain recorded data, so the Song Copy operation cannot be performed. Press the
STOP button.
An error occurred because the disk was removed during recording or playback. Press the STOP button, and
replace the disk, then start the operation over again.
The installed disk cannot be played back on the M.D.R. Press the STOP button, then insert a compatible disk.
Recording cannot be performed because too much data was received at once. Press the STOP button.
The disk is defective and cannot be formatted. Press the STOP button, then insert another disk.
An error occurred during the transmission or reception of data. Press the STOP button.
You are trying to record to the song number which already contains recorded data. Select the other blank song
number by pressing the SONG SELECT buttons. * "XX" indicates a song number (01 through 40).
When you insert the "copy-protected" disk to the Electone, this message will appear on the LED display. You
cannot overwrite or save the changes. * "XX" indicates a song number (01 through 40).
In the case of Voice Disk operation, an incompatible Voice Disk has been inserted.
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