No320S Owner's Manual - Mark Levinson

Nº 320S Troubleshooting & MaintenanceCare & MaintenanceThe Nº 320S requires routine care and maintenance to ensureoptimal performance. The bulleted items below indicatemaintenance procedures that should be performed on a regularbasis.NoteFailure to perform the maintenance procedures included inthis section may void the manufacturer’s warranty and/orstandard repair policies.• Use a feather duster or a low-pressure blower to remove dustfrom the Nº 320S exterior surface.• Use a soft, lint-free cloth to remove dirt and fingerprints fromthe Nº 320S exterior surface. Do not use a cloth made withsteel wool or metal polish. If needed, this cloth can bedampened with isopropyl alcohol. Do not dampen the clothwith Benzene, acetone-based cleaners, and other commercialcleaners. Wipe the Nº 320S exterior surface in the samedirection as the grain of the brushed aluminum.5-5CAUTIONDO NOT APPLY LIQUID DIRECTLY TO THE Nº 320SEXTERIOR SURFACE. DOING SO MAY DAMAGEELECTRICAL COMPONENTS.• Replace the remote control batteries as needed. Refer toRemote Control Batteries (1-6) for additional information.• Refer to Installation Considerations (page 1-4) for informationabout preventative maintenance.(continued)