Blaupunkt Car Multimedia User Manual download pdf (Page 74)

DAB – Digital Audio Broadcasting

➞ Digital-Radio

DAB Antennas

In contrast to the familiar analogue radio

(AM/FM 0.145–108 MHz), digital radio is

broadcast with its 2 bands (Band III 174–240

MHz, L-Band 1452–1492 MHz) in a higher

frequency range. That is why it is necessary

to add an antenna or replace the existing

AM/FM antenna before it is possible to enjoy

uninterrupted digital radio listening pleasure

and the reception of extensive data services

(news, traffic messages, traffic congestion

maps, car park information, stock-market

reports, display of artist and song title, etc.).

In this department, Blaupunkt offers 5 diffe-

rent antennas to cover the digital radio fre-

quency range. These include single antennas

to simply add to your existing system or com-

bination antennas to replace the old antenna.

Depending on the model, the combination

antennas also offer AM/FM and/or GSM in

addition to DAB.

DDA – Digital Directional Antenna

Technology

Angle (horizontal/vertical)

This describes the range within which the

picture displayed on an LCD monitor can be

easily identified. The values indicated are for

the viewing angle from the side (horizontal)

and a vertical (from above/from below)

position (e.g. horizontal +45 degrees/

–45 degrees).

Angle

Depending on where the car radio is install-

ed, the reading angle of the display can be

adjusted to best suit the driver.

Audio output

The audio output power of a car radio or

an external output stage measured according

to different measurement standards.

RMS power:

Continuous power with a sine wave, measur-

ed at 10 % THD (DIN 45.324) for car radios

or at 1 % THD (DIN 45.500) for amplifiers or

another THD as indicated.

Music power:

Continuous power with a complex signal

(music signal), measured at 10 % THD

(DIN 45.324) for car radios or at 1% THD

(DIN 45.500) for amplifiers or another

THD as indicated.

Max. Power:

Maximum short-term output power possible,

important for extreme level peaks.

AutomaticSound

AutomaticSound, also known as GALA,

controls the volume in relation to the driving

speed. Important: the speedometer signal

must be connected to the car radio.

Aux-In

Stereo preamp in-line to which an external CD

changer is usually hooked up. An adapter can

also be used to connect other external signal

sources such as portable CD or MP3 players.

Aux naming

External sources, such as an MD-Walkman,

can be given any user-defined name (max.

of 16 characters). This name will then appear

in the display of the car radio when the

corresponding source is selected.

Bass-Boost

The Bass-Boost control is used to adjust

the bass reproduction of the amplifier. The

settings normally range from 0 dB to +12 dB

or +18 dB and boosts the deep bass sound.

Bass-Boost creates a full, rich, powerful

bass sound from relatively small subwoofer

enclosure volumes.

Bass-Tube

A subwoofer usually built into a round,

acoustically matched enclosure. Particularly

well suited for vehicles in which the boot is

not physically separated from the passenger

cabin. If maximum loading capacity is requir-

ed in the boot, just remove the bass tube

from the car.

Brightness

A menu is used to adjust the brightness of

the display and night design to the cockpit

illumination. Separate settings can be select-

ed for “headlights on” and “headlights off”.

Calibration microphone

Special microphone required for the automa-

tic self-adjustment of the equalizer (DSA Max,

DEQmaxEX). This microphone is already

included with the Bremen MP74 and the Los

Angeles MP74; it is available as an accessory

for other car radios.

CD-Text

Many CDs now already include additional

information on the artist, the name of the

album and the names of the individual tracks.

The CD-Text function can be used to show

this information on the car radio display.

Centre-Out

Centre channel generated from the two front

channels. It requires an additional external

amplifier and a speaker in the centre of the

dashboard.

CFG

CFG stands for Carbon FibreGlass Cone – the

optimal cone material for woofers. CFG com-

bines extreme stability and minimum weight

with particularly pleasing resonance characte-

ristics. CFG cones deliver practically perfect

frequency response even without a crossover.

Clock

Time display. The exact time is synchronized

via the RDS-CT signal.

Coaxial speaker

2-way speaker in which the tweeter is posi-

tioned in the centre of the woofer on one axis.

CODEM®

A reception concept developed by Blaupunkt

that makes virtually interference-free

reception possible even for weaker reception

signals without lowering the treble.

Combination antenna

Combination of different types of antennas

in one enclosure/rod. There are duplex

(e.g. radio/GSM) and triplex antennas (e.g.

radio/GSM/GPS). This means that only one

antenna is required on your car to ensure

optimal reception for different applications.

Component system

2- or 3-way system, in which the chassis

(tweeter, woofer, perhaps subwoofer) can be

installed separately to optimise the sound/

installation situation.

Crossover

➞ High pass, low pass

Cursor up/down

Pressing one of these keys on the Blaupunkt

monitors triggers two different functions:

when the on-screen display (OSD) is switched

off, the volume will increase (up) or decrease.

If the OSD is active, the two keys can be used

to navigate within the menu.

Customisable Power-On Message

Any text (max. of 35 characters) that briefly

appears in the display when the unit is

switched on.

High-end reception concept with TwinCeiver

and DDA

Wanted

signal

Reflected

signal with

interference

Crackling

Usual situation when reception

is poor

Transmitting antenna

Reception with TwinCeiver and

DDA – interference-free reception

Interference

signal is eliminated

electronically by the

DDA directional antenna

Wanted

signal

Transmitting antenna

Comparatively circular reception range of a normal car

antenna: both the transmitter signal and the reflected

signal are received.

Conventional reception

Direct signal

Reflection

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Blaupunkt Car Multimedia User Manual Page 74

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