Perreaux Prisma 350 - Manual (Page 25)

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Care and Maintenance
The 350 has been designed to provide many years of trouble free enjoyment.
It’s important to keep the exterior of the unit clean and to periodically ensure
that the air-cooling grills remain clear from obstruction.
Note: Please switch the unit off and remove the cord-set from the rear of the
amplifier before attempting to clean your 350 in the manner described
below.
Never apply liquid directly to the 350.
Never use abrasives.
Never rub in a circular motion.
Cover The cover features a durable, high quality powder-coat finish. To remove finger
marks and dirt, lightly rub the surface with a soft cloth.
If the dirt is not removed, dip your cloth in a mild solution of soap and water,
squeeze excess moisture from it and then gently reapply to the surface.
Stubborn dirt may be removed by the application of a small quantity of
methylated spirits, applied directly to the cleaning cloth only and reworking the
effected area.
Front Panel The 350 front panel features a high quality electroplate finish. Over time the
surface may retain finger marks and may need to be cleaned to restore it to
original condition.
Regular Cleaning
Gently wipe the front panel with a very clean cotton cloth. Wipe across the
surface and never in a circular motion.
Removing Stubborn Marks
Only attempt this infrequently, as too regular or vigorous application may
damage the surface.
Apply a small quantity of any car polish containing carnauba wax to a very clean
cotton cloth.
Note: The car polish must state “Safe for Clear Coats” as the polish will therefore
contain the absolute minimum amount of abrasive compound.
Gently wipe over the front panel in lateral motion, allow to dry and then gently
wipe off with a very clean cotton cloth.