Setting the Bass Engine

The following steps 1 to 7 are common operations to each “Setting item” of bass engine Setup. Refer to each section for details.

•The settings of the bass level will be individually memorized for each source (FM, AM, XM, CD, etc.) until the setting is changed. Once you set Bass frequency and Bass Band Width for one of sources (FM, AM, XM, CD, etc.), this setting becomes effective for all those sources. Depending on the connected devices, some functions and display indications do not work.

•This function is inoperable when DEFEAT is ON.

1 Press SOURCE/POWER.

The main menu screen is displayed.

2 Press 4 (A.PROC).

A.PROC (Audio processor) list screen is displayed.

3 Turn the Rotary encoder to select “bass engine.”

4 Press 1 (SETUP) .

The bass engine list screen is displayed.

5 Turn the Rotary encoder to select your desired sound setting.

The screen shows the *Function Guide. *Displays the function assigned for each button.

Setting items

BASS ↔ TREBLE ↔ BASS FOCUS ↔ TIME

CORRECTION ↔ CROSSOVER

6 Press the Function button to switch the setting.

7 Press 7 (RETURN) .

The screen returns to the previous one.

Setting the Bass Control

Setting item: BASS

Setting contents: FREQ.DN / UP / LEVEL DN / UP / WIDTH DN /

UP

You can change the bass frequency emphasis to create your own tonal preference.

Setting the bass center frequency:

Press 1 (FREQ. ;DN) or 2 (FREQ. UP :) to select the desired bass center frequency.

60Hz ? 70Hz ? 80Hz ? 90Hz ? 100Hz ? 130Hz ? 150Hz ? 180Hz

Emphasizes the displayed bass frequency ranges.

Setting the bass Level:

Press 3 (LEVEL ;DN) or 4 (LEVEL UP :) to select the desired bass Level (-7 – +7).

You can emphasize or weaken the bass frequency.

Setting the bass Band Width (Q-Factor):

Press 5 (WIDTH ;DN) or 6 (WIDTH UP :) button to select the desired bass Band Width.

Q 1 ? Q 2 ? Q 3 ? Q 4

(Narrow)'⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅;(Wide)

Changes the bass boost band width to wide or narrow. A wide setting will boost a wide range of frequencies above and below the center frequency. A narrower setting will boost only frequencies near the center frequency.

Setting the Treble Control

Setting item: TREBLE

Setting contents: FREQ.DN / UP / LEVEL DN / UP

You can change the treble frequency emphasis to create your own tonal preference.

Setting the treble center frequency:

Press 1 (FREQ. ;DN) or 2 (FREQ. UP :) to select the desired treble center frequency.

10kHz ? 12.5kHz ? 15.0kHz ? 17.5kHz

Emphasizes the displayed treble frequency ranges.

Setting the treble level:

Press 3 (LEVEL ;DN) or 4 (LEVEL UP :) to select the desired treble level (–7 - +7).

You can emphasize the treble frequency.

•The settings of the treble level will be individually memorized for each source (FM, AM, XM, CD, etc.) until the setting is changed. Once you set the treble frequency for one of sources (FM, AM, XM, CD, etc.), this setting becomes effective for all those sources. Depending on the connected devices, some functions and display indications do not work.

•This function is inoperable when DEFEAT is ON.

21-EN

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Alpine IVA-D901 owner manual Setting the Bass Engine, Setting the Bass Control, Setting the Treble Control, 21-EN
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IVA-D901 specifications

The Alpine IVA-D901 is a highly regarded in-dash multimedia receiver designed to elevate the in-car entertainment experience. With its sleek design and advanced technology features, it caters to the needs of modern drivers and passengers alike. The unit supports a wide range of media formats, allowing users to enjoy their favorite music and videos on the go.

One of the standout features of the IVA-D901 is its 7-inch motorized touchscreen display. This high-resolution LCD screen offers impressive clarity and color, making it easy to navigate through menus and control media playback. The touchscreen is highly responsive, providing an intuitive interface that enhances user experience. Additionally, the motorized function allows the screen to elegantly retract when not in use, contributing to its aesthetic appeal.

The IVA-D901 stands out with its extensive connectivity options. It supports both Bluetooth and USB connections, facilitating hands-free phone calls and wireless audio streaming. This makes it incredibly convenient for users who wish to maintain focus on the road while still enjoying their favorite tracks. Moreover, the unit is compatible with various external devices, enabling seamless integration with smartphones and tablets.

Another notable characteristic of the IVA-D901 is its versatility in media playback. It is designed to play DVDs, CDs, and a variety of video files, including MP4 and DIVX. The built-in DVD player enhances the multimedia experience, allowing passengers to enjoy movies during road trips. Additionally, the receiver also supports AM/FM radio, providing traditional entertainment options.

Users also benefit from the advanced tuning capabilities of the IVA-D901. Its built-in DSP (Digital Signal Processing) allows for customizable sound settings, ensuring that audio can be tailored to individual preferences. This feature creates a more immersive listening experience, as adjustments can be made based on the acoustics of the vehicle.

In terms of expansion, the Alpine IVA-D901 is equipped with multiple preamp outputs, allowing for the easy addition of amplifiers or subwoofers. This flexibility enables users to enhance their sound system to achieve the desired audio performance.

To sum up, the Alpine IVA-D901 is a powerful multimedia receiver that combines stunning visuals, extensive connectivity, and high-quality audio capabilities. It’s a perfect choice for those who seek luxury and functionality in their in-car entertainment setup.
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