Yamaha QY22 Service and Modification, Cleaning, Electrical Interference, Data Backup

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Precautions

The backup battery should last for several

years. When the backup battery needs to be

replaced “Backup Batt. Low!” will appear on the

display when the power is turned on. When this

happens, have the backup battery replaced by

qualified Yamaha service personnel. DO NOT

ATTEMPT TO REPLACE THE BACKUP BAT-

TERY YOURSELF!

• Internal memory data can be corrupted due to

incorrect operation. We recommend that you

use the QY22 MIDI bulk dump utility (see page

163 for details) to transfer important data to a

MIDI data recorder such as the Yamaha MDF2

for safe long-term storage. Yamaha cannot be

held responsible for data loss caused by battery

failure or improper operation of the QY22!

■ Service and Modification

• The QY22 contains no user serviceable parts.

Opening it or tampering with it in anyway can

lead to irreparable damage and possibly electric

shock. Refer all servicing to qualified YAMAHA

personnel.

YAMAHA is not responsible for damage caused by

improper handling or operation.

• Physical shocks caused by dropping, bumping,

or placing heavy objects on the instrument can

result in scratches and more serious damage.

■ Cleaning

• Clean the cabinet and panel with a dry soft

cloth.

• A slightly damp cloth may be used to remove

stubborn grime and dirt.

• Never use cleaners such as alcohol or thinner.

• Avoid placing vinyl objects on top of the instru-

ment (vinyl can stick to and discolor the sur-

face).

■ Electrical Interference

• This instrument contains digital circuitry and

may cause interference if placed too close to

radio or television receivers. If this occurs,

move the instrument further away from the af-

fected equipment.

■ Data Backup

• The QY22 contains a special long-life battery

that retains the contents of its internal RAM

memory even when the power is turned OFF.