Setting the Subwoofer System

SUBW SYS 1 (Initial setting) / SUBW SYS 2

Select either SYS 1 or SYS 2 for the desired subwoofer effect.

SUBW SYS 1: Subwoofer level changes according to the main volume setting.

SUBW SYS 2: Subwoofer level change is different from the main volume setting. For example, even at low volume settings, the subwoofer is still audible.

Visual Customizing

Dimmer Control

DIM AUTO (Initial setting) / DIM MANUAL

Set the DIMMER control to AUTO to decrease the illumination brightness of the unit with the head lights of the vehicle ON. This mode is useful if you feel the unit’s backlighting is too bright at night.

Scroll Type Setting

SCR TYPE1 / SCR TYPE2 (Initial setting)

Choose from two scrolling methods.

Select the type you prefer.

SCR TYPE1: The characters scroll from right to left, a single character at a time.

SCR TYPE2: Words are built up from left to right, a single character at a time. When the display is filled, it is cleared and the remaining words are displayed the same way until all words of the title have been shown.

Scroll Setting (TEXT SCR)

SCR AUTO / SCR MANU (Initial setting)

This CD player can scroll the disc and track names recorded on CD- TEXT discs, as well as the text information of MP3 files, folder names and tags.

SCR AUTO: The CD text information, the text information of folder and file names, and the tags are scrolled automatically.

SCR MANU: The display is scrolled when a disc is loaded or when a track is changed, etc.

•The unit scrolls CD text names, folder names, file names or tag display.

Demonstration

DEMO ON / DEMO OFF (Initial setting)

This unit has a demonstration feature for the display.

•To quit Demo mode, set to DEMO OFF.

MP3

Playing MP3 Data (PLAY MODE)

CD-DA (Initial setting) / CDDA/MP3

This unit can play back CDs containing both CD and MP3 data (created in Enhanced CD (CD Extra) format). However, in some situations, playback of an enhaned CD may be difficult. In this case, you can select playback of a single session only, containing the CD data. When a disc contains both CD and the MP3 data, playback starts from the CD data portion of the disc.

CD-DA: Only the CD data in Session 1 can be played back.

CDDA/MP3: CD data, MP3 files in mixed mode, and multi-session discs can be played back.

•Perform this setting before inserting a disc. If a disc has already been inserted, remove it first.

External Device

Connecting to an External Amplifier (POWER IC)

POW ON (Initial setting) / POW OFF

When an external amplifier is connected, sound quality can be improved by stopping the power supply of the built-in amplifier.

POW OFF: Use this mode when the line output of this unit is used to drive an external amplifier. In this setting, the head unit’s internal amplifier is turned OFF and cannot drive speakers.

Front

left

Amplifier

Front right

POW ON : The speakers are driven by the built-in amplifier.

Speakers

SPEAKER

RIGHT FRONTFront right

SPEAKER

RIGHT REARRear right

SPEAKER

LEFT REARRear left

SPEAKER

LEFT FRONTFront left

•No sound is produced by the system when the power output is set to OFF.

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Alpine CDE-9870 owner manual Visual Customizing, External Device, 15-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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