E - 5AUDIO OPERATIONSENCODER VOLUME KNOBTurn this knob to adjust desired volume level.FUNCTION SELECT BUTTONPress this button to select desired audio function.While the selected function is displayed, turn Volume Knob to adjust the level within 5 seconds,otherwise the unit will return to volume adjustment mode.MUTE BUTTONPress this button to mute the sound. Press it again to resume listening.DSP BUTTON (DIGITAL SOUND PROCESSOR)Press this button to toggle the following EQ setting:At DSP OFF mode, EQ will be controlled by Bass/Treble setting.BAND/LOUDNESS BUTTONPress the Band/Loudness Button long to switch the loudness on or off. When Loudness is on,display will show 'Loud On' for a few seconds.ORDER OF FUNCTION:VOLUME(VOL) -> BASS(BAS) -> TREBLE(TRE) ->BALANCE(BAL) ->FADER(FAD)FLAT->CLASSICS->POP M->ROCK M->DSP OFFTUNING / SEEK UP AND TUNING / SEEK DOWN BUTTONS1.Press these buttons briefly will operate AUTO SEARCH tuning mode, the radio will tune up ordown to the next station and remain on the frequency.2.Press these buttons more than 2 seconds, operate as MANUAL SEARCH buttons, under thismode the tuning frequency will advance up or down rapidly when the button is pressed. If thebuttons are not pressed within 3 seconds, they will return to auto search mode.BAND/LOUDNESS BUTTONThis a dual function button. Press this button short to change between BAND FM1, FM2, FM3or OIRT & AM(MW) bands. Press it long to turn on or off Loudness function.RADIO OPERATIONSRADIO SIGNAL STRENGTH METERThis is use to indicate the signal strength of current radio station broadcast. When you chooseRADIO mode, it will show on the display.BestreceptionWorstreception