SQ-80 — Musician's Manual
Disk Storage — Using the Disk Drive to Save and Load Data
The SQ-80's built-in Disk Drive can be used to store all your Sound and Sequencer data, as well as
System Exclusive messages from other MIDI devices. The SQ-80 has a double-sided drive, which can
store over 800 Kilobytes of data per disk. You must use Double-Sided Double-Density (DSDD) 3.5"
micro-floppy disks for reliable disk operation. The disks are enclosed in a protective plastic carrier with
an automatic shutter to
rotect the diskette from
h
sical dama
e. It is im
ortant not to alter this carrier
in any way.
The 3.5" disks have a sliding write-protection tab
so that you can protect your own sounds and
sequences against accidental erasure. Sliding the
rite-protection tab in the lower left corner of the
disk so that the window is closed will allow you to
store information on the disk. Sliding the tab so
that the window is open will protect the disk
against being accidentally reformatted or having
files deleted.
Disks are a magnetic storage medium, and
should be treated with the same care you'd give
important audio tapes. Here are a few Do's and Don'ts concernin
disks and the Disk Drive.
DO:
• use only Double-Sided Double-Density (DSDD) 3.5 inch Micro Floppy disks. These are available
from almost any computer store, and many music stores carry them as well:
• keep your disks and the Disk Drive clean and free of dust, dirt, liquids, etc:
• label your disks, and keep a record of what is saved on each.
DON'T:
• use Single-Sided (SSDD or SSSD) disks. These disks have not passed testing on both sides.
While a single-sided disk might work successfully with the SQ-80, it is possible that you will
eventually lose important data to a disk error if you try using Single-Sided disks;
• put anything other than a disk in the Disk Drive:
• expose disks to extremes of temperature. Temperatures below 50
0
F and above 140° F can damage
the plastic outer shell:
• subject disks to strong magnetic fields. Exposure to magnetic energy can permanently damage the
information on the disk. Keep disks away from speaker cabinets. tape decks, power cables. airline x-ray
equipment, power amplifiers, TV sets, and any other sources of magnetic energy;
• eject the disk while the drive is operating (the Disk Drive light is on).
Disk Capacity
Each formatted SQ-80 disk is partitioned in such a way that it can store the following:
• 10 Sequencer/Sys-Ex Blocks — These are large data blocks, which can hold up to 64k bytes of
information. Each of the ten available Sequencer/Sys-Ex Blocks can contain one of the following:
– One Sequence (ONE SEQ),
– the entire Sequencer Memory (ALL SEQ), or
– a System Exclusive (SYS-EX) message (or messages) from an external MIDI
Instrument(s). Plus
• 40 Program Banks — The forty Programs in the Internal Memory comprise a BANK. You can
store
Section 6
Data Stora
e 155
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