Setting the Treble Control

You can change the Treble Frequency emphasis to create your own tonal preference.

1Press MENU to select the BASS ENGINE mode, then press MODE.

BBE BASS ENGINE SETUP RETURN (OFF) BBE

2Press or to select the TREBLE (Treble Center Frequency) control mode.

BASS TREBLE

Setting the Treble Center Frequency

3-1 Press SOURCE/POWER to select the desired treble center frequency.

10.0kHz 12.5kHz 15.0kHz 7.5kHz 10.0kHz

Emphasize the displayed treble frequency ranges.

Setting the Treble Level

3-2*Turn the Rotary encoder to select the desired treble level (–7~+7).

You can emphasize the treble level.

4Press MENU to select RETURN.

After 2 seconds, the unit returns to normal mode. Pressing and holding MENU for at least 2 seconds will return to normal mode.

•If no operation is performed within 60 seconds, the treble control setting will be turned off automatically.

•The treble level settings will be individually memorized for each source (FM, AM, CD, etc.) until the setting is changed. The Treble frequency settings adjusted for one source are effective for all other sources (FM, AM, CD, etc.).

•Depending on the connected devices, some functions and display indications do not work. However, Treble Level is still adjustable if an audio processor with the Treble function is connected.

•This function is inoperable when DEFEAT is set to ON.

•While in the treble adjusting mode, BASS CONTROL adjusting mode

can be recalled by pressing or .

*The adjustment can also be made by pressing MODE. Refer to "Adjusting Bass/Treble/Balance (Between Left and Right)/Fader (Between Front and Rear)/Defeat" (page 13).

Setting the BBE Mode

BBE makes vocals or instruments sound distinct regardless of the music source. The Radio (except AM), CD, MP3 and iPod, will be able to reproduce the music clearly even in cars with a lot of road noise.

1Press SOURCE/POWER to select the source to which you want to apply BBE.

2Press MENU to select BBE mode, then press MODE.

BBE BASS ENGINE SETUP RETURN (OFF) BBE

3Press to set the BBE mode ON.

BBE OFF*

 

BBE ON

 

(Mode 1 to 3, Non Effect)

4Turn the Rotary encoder to select your preferred BBE Mode (1 to 3) or Non Effect.

5Press MENU to select RETURN.

After 2 seconds, the unit returns to normal mode. Pressing and holding MENU for at least 2 seconds will return to normal mode.

*To cancel BBE mode for all music sources, press to select BBE OFF in step 3.

•Each music source, such as FM radio, CD (included MP3/WMA) can have its own BBE setting.

•This function is inoperable when DEFEAT is set to ON.

•There is no BBE mode for AM radio.

•When an external audio processor is connected, this setting cannot be made.

•If no operation is performed in 60 seconds, the unit returns to normal mode.

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Alpine CDA-9857 owner manual Setting the Treble Control, Setting the BBE Mode, Setting the Treble Center Frequency, 14-EN
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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.
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