Operating Instructions

WARNING

This symbol means important instructions. Failure to heed them can result in serious injury or death.

DO NOT OPERATE ANY FUNCTION THAT TAKES YOUR ATTENTION AWAY FROM SAFELY DRIVING YOUR VEHICLE.

Any function that requires your prolonged attention should only be performed after coming to a complete stop. Always stop the vehicle in a safe location before performing these functions. Failure to do so may result in an accident.

CAUTION

This symbol means important instructions. Failure to heed them can result in injury or material property damage.

HALT USE IMMEDIATELY IF A PROBLEM APPEARS.

Failure to do so may cause personal injury or damage to the product. Return it to your authorized Alpine dealer or the nearest Alpine Service Center for repairing.

DO NOT MIX NEW BATTERIES WITH OLD BATTERIES. INSERT WITH THE CORRECT BATTERY POLARITY.

When inserting the batteries, be sure to observe proper polarity (+ and –) as instructed. Rupture or chemical leakage from the battery may cause fire or personal injury.

KEEP THE VOLUME AT A LEVEL WHERE YOU CAN STILL HEAR OUTSIDE NOISE WHILE DRIVING.

Failure to do so may result in an accident.

MINIMIZE DISPLAY VIEWING WHILE DRIVING.

Viewing the display may distract the driver from looking ahead of the vehicle and cause an accident.

DO NOT DISASSEMBLE OR ALTER.

Doing so may result in an accident, fire or electric shock.

USE ONLY IN CARS WITH A 12 VOLT NEGATIVE GROUND.

(Check with your dealer if you are not sure.) Failure to do so may result in fire, etc.

KEEP SMALL OBJECTS SUCH AS BATTERIES OUT OF THE REACH OF CHILDREN.

Swallowing them may result in serious injury. If swallowed, consult a physician immediately.

USE THE CORRECT AMPERE RATING WHEN REPLACING FUSES.

Failure to do so may result in fire or electric shock.

DO NOT BLOCK VENTS OR RADIATOR PANELS.

Doing so may cause heat to build up inside and may result in fire.

USE THIS PRODUCT FOR MOBILE 12V APPLICATIONS.

Use for other than its designed application may result in fire, electric shock or other injury.

PRECAUTIONS

Product Cleaning

Use a soft dry cloth for periodic cleaning of the product. For more severe stains, please dampen the cloth with water only. Anything else has the chance of dissolving the paint or damaging the plastic.

Temperature

Be sure the temperature inside the vehicle is between +60°C (+140°F) and –10°C (+14°F) before turning your unit on.

Moisture Condensation

You may notice the CD playback sound wavering due to condensation. If this happens, remove the disc from the player and wait about an hour for the moisture to evaporate.

Damaged Disc

Do not attempt to play cracked, warped, or damaged discs. Playing a bad disc could severely damage the playback mechanism.

Maintenance

If you have problems, do not attempt to repair the unit yourself. Return it to your Alpine dealer or the nearest Alpine Service Station for servicing.

DO NOT PLACE HANDS, FINGERS OR FOREIGN OBJECTS IN INSERTION SLOTS OR GAPS.

Doing so may result in personal injury or damage to the product.

3-EN

CDA-9857 specifications

The Alpine CDA-9857 is a versatile single DIN car stereo that combines advanced sound quality with user-friendly features, making it a popular choice among car audio enthusiasts. Launched in the mid-2000s, it reflects Alpine's commitment to innovation, providing drivers with an exceptional listening experience. The CDA-9857 stands out due to its extensive sound tuning capabilities, allowing users to customize audio settings to suit their preferences.

One of the key features of the CDA-9857 is its 24-bit DAC (Digital-to-Analog Converter), which enhances sound clarity and detail. This technology significantly improves audio playback quality, making music sound crisp and well-defined across all genres. Additionally, the stereo supports multiple audio formats, including MP3, WMA, and AAC, ensuring compatibility with various media sources.

The CDA-9857 is equipped with a built-in EQ, featuring customizable presets and a 3-band parametric EQ. This allows users to adjust the bass, midrange, and treble frequencies independently, tailoring the audio output to match the acoustics of their vehicle. Furthermore, the stereo includes Alpine's proprietary “Media Xchange” technology, which enables the connection of external devices, like iPods and USB drives, thus allowing easy access to vast music collections.

For those who prioritize connectivity, the CDA-9857 features AUX inputs, a front USB port, and is compatible with Bluetooth hands-free calling when paired with a Bluetooth adapter, ensuring safety and convenience while driving. The unit also includes a convenient remote control, allowing easy navigation of its numerous options without having to reach for the dial.

Visually, the CDA-9857 boasts an attractive design, featuring a vibrant blue illuminated display that enhances readability and complements most car interiors. Its ergonomic controls make it user-friendly, enabling quick adjustments while on the go.

Overall, the Alpine CDA-9857 stands out as a feature-rich unit with a robust set of technologies designed to enhance the car audio experience. With its exceptional sound quality, customizable features, and excellent connectivity options, the CDA-9857 remains a solid choice for anyone looking to improve their in-car entertainment system.

Alpine CDA-9857 owner manual Operating Instructions

Models: CDA-9857