Alesis NanoPiano Reference Manual page 13

leak through even well-shielded cables, inducing noise and
distortion in your audio signal.
_ Do NOT run audio cables near other sources of obvious
electromagnetic interference such as monitors, computers,
and power transformers (including the wall-wart end of the
NanoPiano's own AC adapter).
_ Do NOT run audio cables where they can be stepped on or
tripped over. Falling and hurting yourself is an obvious
danger, of course. Less obvious is the invisible damage
done to the cable itself. Every time you step on a cable you
compress the insulation between center conductor and the
shield, degrading performance and reducing the cable's
reliability. You may not notice a problem right away, but
eventually you will.
_ Do NOT twist the cable if you can possibly avoid it, or force
it to make sharp right angle turns. Doing these things will
damage the insides of the cable even faster than stepping
on them.
_ NEVER unplug a cable by pulling on the cable itself. This
puts a dangerous strain on the soldered connections
between the cable and the plug, and can easily make a
cable go bad (or at least intermittent) on you. The proper
way to take a plug out of a jack is the same way you put it in
— with a firm grasp on the body of the plug itself.
_ ALWAYS keep your plugs and jacks clean and unoxidized.
Occasional use of solvent cleaners like Tweek and
Cramolin, which are available at any electronics shop, can
greatly improve the electrical contact between your
connectors.
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NanoPiano Reference Manual 13