5-5
Nº32 Reference Preamplifier Troubleshooting & Maintaining
• To remove dust from the Nº32 exterior surface, use a feather
duster or a low-pressure blower.
• To remove dirt and fingerprints from the Nº32 exterior surface,
use a soft, lint-free cloth. DO NOT use metal polish or a cloth
made with steel wool.
If needed, this cloth can be dampened with isopropyl alcohol.
DO NOT dampen the cloth with Benzene, acetone-based clean-
ers, and other commercial cleaners.
Wipe the Nº32 exterior surface in the same direction as the
grain of the brushed aluminum.
Caution! DO NOT apply liquid directly to the Nº32 exterior surface. Doing
so may damage electrical components.
• Replace the remote control batteries as needed. See “Remote
Control Batteries” on page 1-6 for additional information.
• See “Installation Considerations” on page 1-4 for information
about preventative maintenance.
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