6 | KDC-W237SGeneral OperationAudio Control1 Select the source to adjustPress the [SRC] button.2 Enter Audio Control modePress the [VOL] knob.3 Select the Audio item to adjustPress the [VOL] knob.Adjustment Item Display RangeSubwoofer level “SW L” –15 — +15System Q “NATURAL”/“ROCK”/“POPS”/“EASY”/“TOP40”/“JAZZ”/“USER”Natural/Rock/Pops/Easy/Top40/Jazz/User settingBass level “BAS L” –8 — +8Middle level “MID L” –8 — +8Treble level “TRE L” –8 — +8Balance “BAL” Left 15 — Right 15Fader “FAD” Rear 15 — Front 15Exit Audio Control mode (Volume control mode)⁄• “USER”: This appears when Bass level, Middle level, andTreble level are adjusted. When “USER” is selected,these levels are recalled.4 Adjust the Audio itemTurn the [VOL] knob.5 Exit Audio Control modePress any button.Press a button other than the [VOL] knob.Audio SetupSetting the Sound system.1 Select the source to adjustPress the [SRC] button.2 Enter Audio Setup modePress the [VOL] knob for at least 1 second.3 Select the Audio Setup item to adjustPress the [VOL] knob.Adjustment Item Display RangeLow Pass Filter “LPF” 80/120/160/Through HzVolume offset “V-OFF” –8 — ±0 (AUX: -8 — +8)⁄• Volume offset: Sets each source’s volume as a differencefrom the basic volume.4 Adjust the Audio setup itemTurn the [VOL] knob.5 Exit Audio Setup modePress the [VOL] knob for at least 1 second.