„Care and maintenance

Handle your discs carefully, and they will last a long time.

Cleaning the lens

Compact discs

• This system can play back the following discs:

– Audio CD

– Finalized CD-R/CD-RW recorded in audio CD format or MP3 format

However, continued use of irregular shape discs (heart-shape, octagonal, etc.) can damage the system.

• Remove the disc from its case by holding it at the edges while pressing the case’s center hole lightly.

• Do not touch the shiny surface of the disc, or bend the disc.

•Put the disc back in its case after use to prevent warping.

• Be careful not to scratch the surface of the disc when placing it back in the case.

•Avoid exposure to direct sunlight, temperature extremes, and moisture.

• A dirty disc may not play correctly. If a disc does become dirty, wipe it with a soft cloth in a straight line from center to edge.

If the lens in the pickup is dirty, dropout, etc., could degrade sound. Open the disc compartment door and clean the lens as shown.

•Use a blower (available at camera stores) to blow dust off the lens.

Blower

Lens

•If there are fingerprints, etc. on the lens, gently wipe clean with a cotton swab.

CAUTION:

Do not use any solvent (for example, conventional record cleaner, spray thinner, benzine, etc.) to clean a disc.

General notes

In general, you will have the best performance by keeping your discs and the mechanism clean.

•Store discs in their cases, and keep them in cabinets or on shelves.

•Keep the disc compartment door closed when not in use.

Moisture condensation

Moisture may condense on the lens inside the system in the following cases:

• After turning on heating in the room.

• In a damp room.

•If the system is brought directly from a cold to a warm place.

Should this occur, the system may malfunction. In this case, leave the system turned on for a few hours until the moisture evaporates, unplug the AC power cord, and then plug it in again.

„Troubleshooting

•If you are having a problem with your system, check this list for a possible solution before calling for service.

•If you cannot solve the problem from the hints given here, or the system has been physically damaged, call a qualified person, such as your dealer, for service.

Symptom

 

Possible cause

 

Action

• Power does not come on.

 

• The power cord is not connected to an

 

• Insert the plug into the socket.

 

 

AC outlet.

 

 

•No sound is heard.

•Poor FM reception.

•Connections are incorrect, or loose.

•Headphones are connected.

•MP3 disc is recorded with “packet writing.”

•The FM telescopic antenna is not properly extended and positioned.

•Check all connections and make corrections. (See pages 5 and 6.)

•Disconnect the headphones.

•It cannot be played. Replace the disc.

•Fully extend the FM telescopic antenna and turn it for the best reception.

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JVC RV-NB20W, RV-NB20B manual „ Care and maintenance
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RV-NB20B, RV-NB20W specifications

The JVC RV-NB20W and RV-NB20B are versatile portable audio systems designed to deliver impressive sound quality and a range of features for music enthusiasts on the go. These models not only cater to the music needs of users but also incorporate advanced technologies that enhance the overall listening experience.

At the heart of the RV-NB20 series lies a powerful audio output system, which includes a set of robust speakers delivering rich and clear sound across various frequencies. The built-in amplifier ensures that music is played at optimal levels, making it suitable for both indoor and outdoor use. The compact design of these units does not compromise audio performance, allowing users to enjoy their favorite tracks in any setting.

Both models support a variety of connectivity options, including Bluetooth, enabling seamless pairing with smartphones, tablets, and other devices. This wireless feature provides freedom of movement and eliminates the hassle of tangled cords. Additionally, the RV-NB20W and RV-NB20B come equipped with USB ports and auxiliary inputs, allowing for versatile playback from different sources.

A standout feature of the RV-NB20 series is the inclusion of a CD player, which appeals to users who still enjoy physical media. The CD playback capability ensures that older music collections can be enjoyed without the need for digital conversion. Furthermore, the systems have AM/FM radio built-in, offering access to local broadcasts and the ability to capture live events.

Portability is another strong point of the RV-NB20W and RV-NB20B. Both models are equipped with a built-in rechargeable battery that offers hours of playback time, making them ideal for picnics, beach outings, or any outdoor activities. The rugged construction of the units also ensures durability, standing up to the rigors of travel.

In terms of design, the RV-NB20W boasts a sleek white finish, while the RV-NB20B features a classic black look. Both options are aesthetically pleasing and will complement various environments. Additionally, the intuitive controls and LED display make it easy to navigate between functions and settings.

In summary, the JVC RV-NB20W and RV-NB20B are feature-rich portable audio systems that successfully blend sound quality, versatility, and convenience. With their array of connectivity options, robust audio performance, and user-friendly design, these models are perfect for anyone looking to enhance their music experience, whether at home or on the go.
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