Blaupunkt SAN FRANCISCO RDM 127 User Manual download pdf (Page 24)

54

DSA

Digital Signal Adaptation

With DSA, you can recall and tune in equa-

lizer functions and activate the dynamic dri-

ving noise covering function.

Overview of Equalizer functions

The HiFi reproduction in a car is affected,

for example, by the interior fittings (uphols-

tery, windows), loudspeaker positioning, etc.

With the integrated equalizer, you can tune

in nine frequency bands per channel: 60 Hz,

125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz,

4 kHz, 8 kHz, 16 kHz.

You can store and recall different settings

in five memory banks each (preset buttons

1 to 5):

With preset button 6, the corresponding

equalizer is deactivated.

For optimal acoustic control, the following

alternatives are available:

Self-calibrating equalizer

(HiFi calibration)

The set is equipped with a self-calibrating,

adaptive 9-band equalizer for four channels.

Four channels can be electronically calibra-

ted per memory bank (front left, front right,

rear left, rear right).

Manual equalizer

Separate equalizer adjustments can be per-

formed manually for front and rear per me-

mory bank.

Preset equalizer

(Default allocation of equalizer)

Permanent equalizer settings can be recal-

led with buttons 1 to 6 or with

/ / << >>.

1 ROCK, 2 DISCO, 3 JAZZ, 4 CLASSIC,

5 VOCAL, 6 P - EQ OFF

HiFi calibration

You can perform and store electronic cali-

bration for five different situations.

These calibrations are stored and recalled

with the buttons 1 to 5.

You can select the following situations, for

example:

1 For the driver only

2 For driver and front passenger

3 Front passenger

4 Passengers front and rear

5 Rear passengers only.

You deactivate the equalizer with button 6

(“P-EQ OFF” in the display.)

To calibrate, you have to fix the microphone

lead (microphone opening pointing down) to

the roof lining with adhesive tape.

The position of the microphone for situation

1 (driver alone) is directly on a level with the

driver’s head. For situation 2, the micropho-

ne is between the driver and the front pas-

senger, for situation 3 on a level with the

front passenger’s head, etc.

Start HiFi calibration

During the calibration process it is impor-

tant that the surroundings are really quiet.

Any outside noises will distort the readings.

The loudspeaker radiation should not be

impaired by any objects.

The system must be switched on.

• Position the microphone for the situati-

on to be programmed.

Incorrect calibrations result when the micro-

phone is wrongly positioned.

Depending on the vehicle and on the install-

tion position of the speakers, calibration may

be linear or with a bass boost. Try out which

setting you like more.

You can preselect with DNC. The following

stand for:

DNC-OFF - linear frequency response

DNC-LOW - slight bass boost

DNC-MID - medium bass boost

DNC-HIGH - stronger bass boost.

San Francisco gb® 29.05.2002, 12:15 Uhr54

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