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Digital Sound Processor

With its five sound presets, the Digital Sound Processor enables you to choose your

individual sound profile to suit your own individual musical taste. From rock con-

cert to jazz club, vocal to classical, the choice is yours.

5 Sound Presets

There are five sound presets with pre-adjusted frequency curves for Rock, Pop,

Jazz, Classic and Vocal.

Digital CD-Changer Input

The sound signals of the CD-Changers are transmitted in digital form without any

D/A-processing.

Auto Leveler

The Auto Leveler function ensures a constant volume level when switching

between different audio sources, automatically compensating for the differences

between the various sources and obviating the need for manual adjustment.

Speed Dependent Volume Control

By connection to the speedometer the volume is automatically adjusted to the

higher driving noise.

Speed warning

Emits a warning tone whenever a predefined speed limit is exceeded.

Temperature display & warning

The current outside temperature can be displayed at the push of a button. The sys-

tem emits a warning tone when the temperature drops below +3°C. The temper-

ature sensor is available as an optional extra.

Blue Display Fit Illumination
Max. power 4x40 watt

Product design

• Flipdown front, detachable
• Blue Display Fit Illumination
• Red key Illumination
• Protection-LED
• Pilot light

Tuner

• Digital RDS Tuner
• FM with RDS-EON-NEWS
• MW, LW
• RDS memo, alphabetic tuning
• RDS clock

CD Player

• Soft-Take-In 
• CD-R & CD-RW compatible
• CD-compression, switchable

Internal amplifier

• Digital Sound Processor
• 5 Sound presets
• Dynamic loudness, switchable
• Auto Leveler
• Max. power watt: 4x40  

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• RMS power watt: 4x20  

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• 2-channel preamp out
• CD-Changer control  

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General

• Speed dependent volume control
• Speed warning
• Temperature display & warning
• Telephone In
• Telephone Mute
• Init-mode
• Demo-mode
• Dimensions (w x h x d): 180 x 50 x 150mm (ISO + JIN)
• DIN + JIN Mounting

Options

• IR remote control
• Temperature sensor

A: G Power Supply (ISO)
B: Loudspeakers (ISO)
C1: Preamp out (Cinch)
C2: Telephone Mute + 

temperature sensor

E: Aerial plug (ISO)
F: Fuse
J: Telephone In (Cinch)

Connections:

Microphone

C1

E

CD 2251

Microphone

Microphone

B

F

A

C1 C2

Speed In

Temp In

Telephone In

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03/00, CD 2251/00, 

subject to modification

CD 2251

Digital RDS Tuner / Soft-take-In CD player
CD-Changer Control

VDO Dayton. The Car Brand.

Car Multimedia Systems.

Highlights

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