Blaupunkt 7 646 521 310, 7 646 520 310 Current centre frequency Hz is highlighted, 109

Changing basic settings in the settings menu

The current centre frequency (Hz) is highlighted.

			EQ 1
2000Hz	-8dB	Q 1	High 4

➔Select the centre frequency to

be changed by pressing on or on the rocker switch 3.

In the two frequency bands "EQ Low 1" and "2", you can select one centre frequency each from 20 to 250 Hz.

In the four frequency bands "EQ High 1" to "4", you can se- lect one centre frequency each from 320 to 20,000 Hz.

➔On the rocker switch 3, press .

The level display (dB) is high- lighted.

➔Select the level of the previ- ously set centre frequency by

pressing on or on the rock- er switch 3.

The level change is displayed in the frequency spectrum. The sound changes accordingly.

➔On the rocker switch 3, press .

The quality factor Q is high- lighted.

➔Select the desired quality fac-

tor Q by pressing on or on the rocker switch 3.

•"Q1": Low edge steepness, wide filter bandwidth

•"Q2": Medium edge steep- ness and filter bandwidth

•"Q3": High edge steepness, narrow filter bandwidth

The change is displayed in the frequency spectrum. The sound changes accordingly.

➔Press the OK button A.

Your user-defined equalizer set- ting is saved.

Which equalizer setting is the correct one?

	Measure
Sound impres-	Centre	Level (dB)
sion or problem	frequen-
	cy (Hz)
Unclean bass,	125–400	approx. –4
droning, unpleas-
ant pressure
Very transparent,	1000–	approx.
aggressive sound,	2500	–4 to –6
no stereo effect
Muffled sound,	8000–	approx.
low transparency,	12500	+4 to +6
instruments do
not excel
Insufficient bass	50–100	approx.
		+4 to +6

109