Information

In Case of Difficulty

If you encounter a problem, please turn the power off, then on again. If the unit is still not functioning normally, please review the items in the following checklist. This guide will help you isolate the problem if the unit is at fault. Otherwise, make sure the rest of your system is properly connected or consult your authorized Alpine dealer.

Basic

No function or display.

•Vehicle’s ignition is off.

-If connected following instructions, the unit will not operate with the vehicle’s ignition off.

•Improper power lead (Red) and battery lead (Yellow) connections.

-Check power lead and battery lead connections.

•Blown fuse.

-Check the fuse of the unit; replace with the proper value if necessary.

•Internal micro-computer malfunctioned due to interference noise etc.

-Press the RESET switch with a ballpoint pen or other pointed article.

Radio

Unable to receive stations.

•No antenna or open connection in cable.

-Make sure the antenna is properly connected; replace the antenna or cable if necessary.

Unable to tune stations in the seek mode.

•You are in a weak signal area.

-Make sure the tuner is in the DX mode.

•If the area you are in is a primary signal area, the antenna may not be grounded and connected properly.

-Check your antenna connections; make sure the antenna is properly grounded at its mounting location.

•The antenna may not be the proper length.

-Make sure the antenna is fully extended; if broken, replace the antenna with a new one.

Broadcast is noisy.

•The antenna is not the proper length.

-Extend the antenna fully; replace it if it is broken.

•The antenna is poorly grounded.

-Make sure the antenna is grounded properly at its mounting location.

CD

CD Player not functioning.

•Out of operating temperature range +50°C (+120°F) for CD. - Allow the vehicle’s interior (or trunk) temperature to cool.

CD playback sound is wavering.

•Moisture condensation in the CD Module.

-Allow enough time for the condensation to evaporate (about 1 hour).

CD insertion not possible.

•A CD is already in the CD player.

-Eject the CD and remove it.

•The CD is being improperly inserted.

-Make sure the CD is being inserted following instructions in the CD Player Operation section.

Unable to fast forward or backward the CD.

•The CD has been damaged.

-Eject the CD and discard it; using a damaged CD in your unit can cause damage to the mechanism.

CD playback sound skips due to vibration.

•Improper mounting of the unit.

-Securely re-mount the unit.

•The disc is very dirty.

-Clean the disc.

•The disc has scratches.

-Change the disc.

•The pick-up lens is dirty.

-Do not use a commercially available lens cleaner disc. Consult your nearest Alpine dealer.

CD playback sound skips without vibration.

•The disc is dirty or scratched.

- Clean the disc; damaged disc should be replaced.

Error displays (built-in CD player only).

•Mechanical error.

-Press . After the error indication disappears, insert the disc again. If the above-mentioned solution does not solve the

problem, consult your nearest Alpine dealer.

CD-R/CD-RW playback not possible.

•Close session (finalization) has not been performed. - Perform finalization and attempt playback again.

MP3

MP3 is not played back.

•Writing error occurred. The CD format is not compatible.

-Make sure the CD has been written in a supported format. Refer to “About MP3” (pages 10-11), then rewrite in the format supported by this device.

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Alpine CDE-9870 owner manual Information, Case of Difficulty, Basic, Radio, 19-EN
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CDE-9870 specifications

The Alpine CDE-9870 is a high-performance car stereo that epitomizes modern automotive audio technology, catering to both audiophiles and casual listeners alike. This unit combines functionality with an array of cutting-edge features designed to enhance the in-car listening experience.

One of the standout characteristics of the CDE-9870 is its compatibility with various audio formats. It supports MP3, WMA, and AAC playback, allowing users to enjoy their music in multiple formats without compromising sound quality. This flexibility is coupled with USB connectivity, enabling direct plug-and-play functionality. Users can easily connect their USB devices to play their favorite tracks or charge their devices while on the go.

The CDE-9870 also boasts a user-friendly interface, with a large, clear display and intuitive controls. The easy-to-navigate menu allows drivers to focus on the road while making adjustments to their audio settings. The unit features a customizable 3-band parametric equalizer, which provides users the opportunity to fine-tune sound output to their personal preferences, ensuring the best listening experience tailored to any genre.

In terms of connectivity, the Alpine CDE-9870 supports Bluetooth technology, facilitating hands-free calling and audio streaming. This feature promotes safety on the road by allowing drivers to take calls without removing their hands from the wheel. Moreover, the stereo comes equipped with an AUX input, catering to users who prefer to connect their devices through auxiliary cables for seamless playback.

Another important aspect of the CDE-9870 is its expandability. It features three preamp outputs, allowing for the integration of additional amplifiers or subwoofers for those looking to boost their sound system. Moreover, the unit is compatible with Alpine’s KTP-445A power pack, which provides an extra power boost to enhance clarity and output.

The Alpine CDE-9870 is designed with a sleek aesthetic, featuring a modern look that complements any vehicle's interior. Its durable construction ensures longevity, while the ergonomic design promotes ease of use. This unit not only delivers exceptional audio quality and versatility but also adds a touch of style to the driving experience.

In conclusion, the Alpine CDE-9870 represents an ideal blend of advanced technology and convenience. With its diverse feature set, superior sound quality, and stylish design, it stands out as an excellent choice for anyone looking to upgrade their car audio system. Whether you're commuting, road tripping, or just enjoying your favorite tunes, the CDE-9870 enhances your journey with superior sound performance.
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