Yamaha Electone EL-900 Owner's Manual page 108

9) Checking the Remaining Memory
While playback is stopped, you can check the amount of memory
available for additional recording in your disk. To do this,
simultaneously hold down the SHIFT button and the PAUSE
button (indicated in the illustration at right as REM. MEM.:
Remaining Memory). The maximum amount of memory is ca.700
for 2DD disks and ca.1400 for 2HD disks.
10) Voice Disks and Pattern Disks
The M.D.R. also allows you to select voices and rhythms from
disks. For more information about Voice Disks, see page 118; for
more on Pattern Disks, see page 143.
11) Copy Protect
Some of the Disks available for the Electone are purposely protected
from being copied or erased. You cannot save the data to another
floppy disk. If you try to load data from such a ﾒcopy-protectedﾓ
disk to the Electone, a ﾒProtected Diskﾓ (PrXX*) message will
appear on the LED display. The data cannot be saved to the disk.
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108
RECORD PLAY
(LEAD) (K.PERC.) (LEAD)
5 4 0
PAUSE
REM. MEM.
SHIFT
(K.PERC.)