Adjusting Volume/Balance

(Between Left and Right)/Fader

(Between Front and Rear)

1 Press the MODE (Rotary encoder) repeatedly to choose the desired mode.

Each press changes the modes as follows:

→Volume → Subwoofer* Fader ← Balance ←

Volume

: 0

~ 35

Subwoofer : 0

~ +15

Balance

: BL+8 ~ BR+8

Fader

: FR+8 ~ FF+8

NOTES

•If the Rotary encoder is not pressed within 5 seconds

after selecting the BALANCE or FADER mode, the unit automatically returns to the VOLUME mode.

*When the subwoofer is set to ON, the level of the subwoofer can be adjusted.

2 Turn the Rotary encoder until the desired sound is obtained in each mode.

Turning Loudness On/Off (CDM-9821 only)

Loudness introduces a special low- and high- frequency emphasis at low listening levels. This compensates for the ear's decreased sensitivity to bass and treble sound.

1 Press and hold the Rotary encoder for at least 2 seconds to activate or deactivate the loudness mode.

The display shows "LOUD" when the loudness mode is activated.

Audio Mute Function

Activating this function will instantly lower the volume level by 20 dB.

1 Press the MUTE button to activate the MUTE mode. The audio level will decrease by about 20 dB.

Pressing the MUTE button again will bring the audio back to its previous level.

BBE Mode On/Off (CDM-9823 only)

The BBE (Barcus Berry Electronics) processor installed in this unit is designed to correct the phase distortion inherent in most loudspeaker designs. Ensuring the phase integrity of the signal driving the speakers improves the accurate reproduction of the sound.

1 Press and hold the Rotary encoder for at least 2 seconds to turn on the BBE mode.

Each press toggles between the BBE on and off modes.

Setting the AUX Mode

You can input TV/video sound by connecting an optional "M-Bus V-Link" (M-Bus/RCA interface cable KCM-122B) to this component.

1 Press and hold the F/SETUP button for at least 3 seconds.

2 Press the g or f button to select the AUX mode.

3 Press the BAND button to toggle the mode between AUX ON and AUX OFF.

4 Press the F/SETUP button to return to normal mode.

5 To adjust the volume, etc., first press the SOURCE/POWER button and select the AUX mode, then make the necessary adjustment.

→TUNER → CD → AUX

NOTES

•When AUX ON is selected, a CD Changer cannot be used.

•This unit is not XM compatible. However, by using the optional XME-T210RF, XM Satellite Radio can be listened to from this unit. The XME-T210RF’s controller must be used to control the XM functions.

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Alpine CDM-9823, CDM-9821 owner manual Audio Mute Function, Setting the AUX Mode
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CDM-9823, CDM-9821 specifications

The Alpine CDM-9823 and CDM-9821 are sophisticated car audio units that redefine the in-car listening experience, combining state-of-the-art technology with user-friendly features. Both models are a part of Alpine's commitment to high-quality sound and innovative design.

Starting with the Alpine CDM-9823, this model stands out due to its remarkable power and audio performance. It boasts an impressive 50 watts per channel peak power, driven by its high-efficiency amplifier. This means that even at high volumes, the sound remains clean and distortion-free, a characteristic highly sought after by audiophiles. One of its key features is the inclusion of a 24-bit DAC that ensures superior sound quality, allowing listeners to enjoy their favorite tracks with crystal clarity.

The CDM-9823 is equipped with a versatile media playback capability, supporting various formats including MP3 and WMA, which allows users to enjoy their digital music collections seamlessly. Additionally, the unit comes with a built-in tuner that supports RDS, enriching the radio listening experience with program information and song details. The user-friendly interface includes a vibrant display that provides easy navigation through different media options, enhancing overall usability.

On the other hand, the Alpine CDM-9821 shares many features with the 9823 but presents a more streamlined option for users who might not need all the advanced capabilities. It still maintains a robust power output and supports multiple audio formats. The CDM-9821 also features an auxiliary input, making it easy to connect external devices like smartphones or tablets.

Both models are designed with customization in mind, featuring a 3-band EQ that allows users to tweak their sound preferences to suit their taste. The built-in crossover settings further enhance audio fidelity, enabling users to optimize sound for different speakers in their vehicle.

In terms of technologies, both models utilize Alpine's proprietary technologies, such as their advanced noise reduction and sound enhancement features that ensure a superior listening experience even in noisy environments. Their compact design allows for easy installation in various vehicle types.

In conclusion, the Alpine CDM-9823 and CDM-9821 represent a fusion of quality craftsmanship, functionality, and advanced technology in car audio systems. With their impressive power, extensive media support, and superior sound quality, these units provide an exceptional audio experience for any journey. Whether you value advanced features or a simpler setup, Alpine caters to diverse needs while maintaining a commitment to excellence in car audio.
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