Blaupunkt ACR 4251 Selecting a waveband, Selecting a station, Switching from stereo to mono FM

Models: ACR 4251

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Press the AF button for approximately 2 seconds until you hear the beep and “REG OFF” is indicated in the display.

When active, “REG ON” will be briefly dis- played each time the radio is switched on.

Selecting a waveband

You can choose between the following wave- bands:

FM 87.5 - 108 MHz MW 531 - 1602 kHz and LW 153 - 279 kHz.

Set the desired waveband by pressing FMT or M·L.

To switch from MW to LW or vice versa

Press the M·L button.

Selecting a station

Using the buttons there are two different ways to tune into a station:

Automatic tuning

Prerequisite: “AF” and “m” do not light up in the display, i.e. the Alternative Frequency function and manual tuning are switched off. Use the AF and lo buttons (lo, m, -, lo) to adjust the respective modes.

Press ; the car radio will automati- cally search for the next station.

When keeping the or the button de- pressed, seek tuning will speed up in up- wards or downwards direction.

Manual tuning

Prerequisite: “m” lights up in the display. Toggle the lo button until “m” is displayed.

Press ; the frequency will change in short intervals in upwards or down- wards direction.

When holding the or button down, the frequency scan is speeded up.

Selecting the seek tuning sensi- tivity

You can alter the automatic seek tuning sensitivity.

For this,

press the lo button briefly.

If “lo” is displayed, the radio will only pick up strong, local stations (low sensitivity).

If “lo” does not light up, the radio will also pick up weaker, distant stations (high sensitivity). Make sure that “m” is not indicated in the display.

Switching from stereo to mono (FM)

If reception is poor, you may get better sound quality by switching to mono:

Press the lo button until a beep sound is released and the stereo sign dis- appears from the display.

Each time the radio is switched on, stereo playback is activated ( is displayed).

The unit will automatically switch to mono if the received signal is not strong enough for stereo playback.

Changing the memory bank

You can shift between the memory banks I, II and T in order to store stations and recall them later.

The currently selected memory bank is indi- cated in the display.

Toggle the FMT button until the desired memory bank lights up in the display.

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Blaupunkt ACR 4251 Selecting a waveband, Selecting a station, Selecting the seek tuning sensi- tivity