Sony CDX-4000X Operating Instructions (primary manual) - Page 15

Changing the operative direction The operative direction of controls is factoryset as shown below. To increase To decrease If you need to mount the rotary commander on the right hand side of the steering column, you can reverse the operative direction. Press (SOUND) for two seconds while pushing the VOL control. Tip You can also change the operative direction of these controls with the unit (see "Changing the sound and display settings" on page 16). Adjusting the sound characteristics You can adjust the bass, treble, balance, and fader. You can store the bass and treble levels independently for each source. 1 Select the item you want to adjust by pressing (SOUND) repeatedly. Each time you press (SOUND), the item changes as follows: BAS (bass) t TRE (treble) t BAL (left-right) t FAD (front-rear) 2 Adjust the selected item by pressing either side of (SEEK/AMS). When adjusting with the rotary commander, press (SOUND) and rotate the VOL control. Note Adjust within three seconds after selecting the item. Attenuating the sound Press (ATT) on the rotary commander. "ATT-ON" flashes momentarily. To restore the previous volume level, press (ATT) again. Tip When the interface cable of a car telephone is connected to the ATT lead, the unit decreases the volume automatically when a telephone call comes in (Telephone ATT function). 15