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 connections.

-Check power lead connections.

•Blown fuse.

-Check the fuse on the battery lead 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 ball-point 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/Changer 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.

•Disc is very dirty.

-Clean the disc.

•Disc has scratches.

-Change the disc.

•The pick-up lens is dirty.

-Do not use a commercial available lens cleaner disc.

Consult your nearest ALPINE dealer.

CD playback sound skips without vibration.

•Dirty or scratched disc.

-Clean the disc; damaged disc should be replaced.

Error displays (built-in CD player only)

•Mechanical error

-Press the c button. After the error indication disappears, insert the disc again. If the above-mentioned solution does not solve the problem, consult your nearest ALPINE dealer.

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" on pages 30-31, then rewrite in the format supported by this device.

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Alpine CDA-7998 owner manual Information, Case of Difficulty, Basic, Radio
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CDA-7998 specifications

The Alpine CDA-7998 is a high-performance car audio receiver renowned for its advanced features and superior sound quality. Designed for audiophiles and car enthusiasts alike, this model combines cutting-edge technology with a user-friendly interface to enhance the in-car listening experience.

One of the standout features of the CDA-7998 is its exceptional audio quality. The receiver is equipped with a 24-bit digital-to-analog converter (DAC), which processes sound with unparalleled precision, reducing distortion and increasing clarity. This technology allows users to enjoy their favorite music with exceptional accuracy, making every note and tone come alive.

Another remarkable aspect of the CDA-7998 is its versatile connectivity options. The unit includes a front USB input, enabling easy connection to various devices, such as flash drives or smartphones. Additionally, it incorporates a 3.5 mm auxiliary input for added flexibility, allowing users to connect external devices with ease. The receiver supports playback of various audio formats, including MP3, WMA, and AAC, providing users with a vast library of music to choose from.

The CDA-7998 also features Bluetooth technology, which allows for hands-free calling and wireless audio streaming. This is particularly beneficial for maintaining focus on the road while enjoying a seamless connection to mobile devices. The built-in microphone ensures clear communication during calls, while the audio streaming feature allows users to enjoy their playlist without the hassle of cables.

Customization is a key aspect of the CDA-7998. The receiver includes a 3-band parametric equalizer, enabling users to adjust bass, midrange, and treble frequencies according to their preferences. Additionally, with its customizable color display and button illumination, users can personalize the aesthetic of their car’s interior, enhancing the overall experience.

Furthermore, the CDA-7998 supports additional amplification with its dedicated line outputs for front, rear, and subwoofer channels. This allows for a multi-channel audio setup, delivering an immersive sound experience that can satisfy even the most discerning listeners.

Overall, the Alpine CDA-7998 is a sophisticated car audio receiver that combines advanced technology with unparalleled sound quality and customization options, making it an ideal choice for anyone looking to elevate their in-car audio experience.
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