Panasonic DMR E50 - Manual (Page 69)

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Maintenance and Handling
Maintenance
To clean this unit, wipe with a soft, dry cloth.
≥ Never use alcohol, paint thinner or benzine to clean this unit.
≥ Before using chemically treated cloth, read the instructions that came with the cloth carefully.
Dust and dirt may adhere to the unit’s lenses over time, possibly making it impossible to record or play discs.
Use the recommended DVD-RAM/PD lens cleaner (LF-K123LCA1) every 1 to 4 months, depending on frequency of use and the operating
environment.
Read the lens cleaner’s instructions carefully before use.
≥ The lens cleaner may make some sound during use but this does not indicate a malfunction.
≥ “NO READ” appears on the unit’s display when cleaning finishes.
The precision parts in this unit are readily affected by the environment, especially temperature, humidity, and dust.
Observe the following points to ensure continued listening and viewing pleasure.
Disc handling
Do not use irregularly shaped discs, such as heart-shaped.
(These can damage the unit.)
ª How to hold a disc
Do not touch the recorded surface.
ª If there is dirt or condensation on the disc
If the disc is dirty, wipe with a damp cloth and then wipe dry.
Moisture may condense on discs after they are brought inside from the cold.
DVD-RAM and DVD-R
≥ Clean and dry with the DVD-RAM/PD disc cleaner (LF-K200DCA1, where available). Do not use cleaners or clothes for CDs to clean DVD-
RAM and DVD-R.
≥ Never use cloths or cleaners for CDs, etc.
DVD-Video, Video CD and CD
Wipe it with a damp cloth and then wipe dry.
ª Handling precautions
≥ Do not write on the label side with a ball-point pen or other writing instrument.
≥ Do not use record cleaning sprays, benzine, thinner, static electricity prevention liquids or any other solvent.
≥ Do not attach labels or stickers to discs. (Do not use discs with exposed adhesive from tape or left over peeled-off stickers.)
≥ Do not use scratch-proof protectors or covers.
≥ Do not use discs printed with label printers available on the market.
≥ Do not use discs that are badly warped or cracked.
ª Do not place or store discs in the following places
≥ Locations exposed to direct sunlight
≥ Humid or dusty locations
≥ Locations directly exposed to a heat vent or heating appliance.