Alesis ADAT-XT20 User Manual download pdf (Page 14)

Setting Up: Chapter 1

ADAT XT20 Reference Manual 13

and leave behind a coating of dirt that will interfere with future recordings,

even if you switch back to premium quality tape. Defective tape may even clog

the head, requiring service. Don’t trust your work to anything less than

premium quality S-VHS tape.

Accidents can happen – so, like computer floppy disks and hard disks, your

XT20 tapes should be backed up to prevent loss. Back up your tapes to another

XT20 or ADAT using the fiber optic digital connector (see Making Digital

Backups on page 81).

Treat your tapes as the precision, fragile components that they are. Do not

expose them to extremes of heat, cold, or humidity (in other words, don’t leave

them in your car). Never place tapes near magnetic fields (such as power amps,

TVs, monitors, magnets, etc.) and handle tapes gently.

OPERATING ENVIRONMENT

HERMAL CONSIDERATIONS IN RACK MOUNTING

The XT20 can be mounted in an equipment rack (taking up 3 rack spaces)

or placed on a table or shelf. When you install it, keep in mind that

heat is the major enemy of electronic equipment. Please observe the

following:

• The XT20 is designed to perform properly over a range of ambi-

ent temperatures from 10° C to +40° C (50° F to 104° F), in up to 80% non-

condensing humidity. These are not absolute limits, but Alesis cannot

guarantee that the XT20 will meet its published specs or remain

reliable if operated outside of these ranges.

• Always allow adequate ventilation behind the XT20 . Do not

seal any enclosure that holds the XT20 . It is not necessary to leave an

empty rack space above or below the XT20 unless it runs hot enough to

affect equipment above or below it. If your environment is unusually

warm and not air conditioned, space between units will help the units

run cooler and may lessen tape oxide shedding.

• You will need to remove the screw-on feet from the bottom of

the XT20 if any equipment will be mounted directly below it.

MOUNTING ON A SHELF OR NON-RACK ENCLOSURE

To mount the XT20 on a shelf or other flat surface, Alesis recommends

using the attached screw-on feet to avoid scratching the shelf’s surface

with the deck’s bottom.

Please observe the general comments on thermal considerations given

under “Thermal Considerations in Rack Mounting” no matter where or

how the deck is mounted.

AVOIDING ELECTROMAGNETIC INTERFERENCE

Like all tape machines, the XT20 uses magnetic tape that can be

sensitive to electromagnetic interference. Generally this is not a

problem, but avoid mounting the XT20 next to devices that generate

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Alesis ADAT-XT20 User Manual Page 14

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