C. Crane WR-2A - Manual (Page 25)

GB
24
Loudness
You can get compensation on lower and higher frequency for your
radio by adjusting the Loudness function.
. Press the Menu button to enter the menu setting.
2. Rotate the Tuning control knob until ‘LOUD ON or OFF’ appears
on the display. Press the Tuning control knob to enter the setting.
3. Rotate the Tuning control knob to choose ON to turn on the
loudness function, then press the Tuning control knob to confirm
the setting.
4. To turn off the loudness function, select OFF and press the Tuning
control knob to confirm the setting.
AUX IN socket
On the rear of your radio is to allow signal from external device e.g.
CD player to be fed into your radio and playback of the external
device via your radio amplifier.
Inserting a plug into the AUX IN will not mute the radio signal,
however you have to repeatedly press the Band button until display
shows ‘AUX IN’.