6 EnControls and functionsFront displayNoteYou can change the brightness level of the front display by pressing DIMMER (p. 8).1 Information displayDisplays the current status (such as input name).You can switch the information that is displayed whenyou press DISPLAY (p. 20).2 STEREO indicatorLights up when the unit is receiving a stereo FM radiosignal.3 TUNED indicatorLights up when the unit is receiving an FM/AM radiostation signal.NoteAM radio is available only for R-N303.4 Speaker indicators“SP A” lights up when the SPEAKERS A output isenabled and “SP B” lights up when the SPEAKERS Boutput is enabled.5 MUTE indicatorBlinks when audio is muted.6 SLEEP indicatorLights up when the sleep timer is on (p. 21).STEREO SP MUTEATUNED SP SLEEPB1 42 3 5 6