28 | en7 620 320 024/028 | 09.2018 Robert Bosch Car Multimedia GmbHAdjusting the power-on volumeTo open the audio menu,f press the AUDIO / AUD button <.f Press the AUDIO / AUD button <repeatedly, until "ONVOL" appears on thedisplay.f Select the desired setting using the orbutton 6 or by turning the volumeknob B.f Press the AUDIO / AUD button < toselect another menu entry, or press itrepeatedly until you exit the menu.TrebleTo open the audio menu,f press the AUDIO / AUD button <.f Press the AUDIO / AUD button <repeatedly until "TREB" appears on thedisplay.f Select the desired setting using the orbutton 6 or by turning the volumeknob B.f Press the AUDIO / AUD button < toselect another menu entry, or press itrepeatedly until you exit the menu.BassTo open the audio menu,f press the AUDIO / AUD button <."BASS" appears on the display.f Select the desired setting using the orbutton 6 or by turning the volumeknob B.f Press the AUDIO / AUD button < toselect another menu entry, or press itrepeatedly until you exit the menu.Adjusting the left/right volumebalance (BAL)To open the audio menu,f press the AUDIO / AUD button <.f Press the AUDIO / AUD button <repeatedly until "BAL" appears on thedisplay.f Select the desired setting using the orbutton 6 or by turning the volumeknob B.f Press the AUDIO / AUD button < toselect another menu entry, or press itrepeatedly until you exit the menu.Restore sound and balance settingsYou can restore factory settings for thesesettings:f Treblef Bassf Left/right volume balanceTo open the audio menu,f press the AUDIO / AUD button <.f Press the AUDIO / AUD button <repeatedly until "RESET N" appears on thedisplay.f Select the setting "RESET Y" using thebutton 6 or by turning the volume knobB.f Press the AUDIO / AUD button < to exitthe menu.Startup and basic functions