Onkyo A-9555 Owner Manual - Page 16

Enjoying Audio Sources-Continued Using the Tone Controls While the MAIN IN function is on, the A-9755's tone controls have no effect. PURE DIRECT TREBLE BASS Setting the PURE DIRECT Function The [PURE DIRECT] button turns the PURE DIRECT function on and off. When the PURE DIRECT function is off, the tone controls can be used to adjust the sound, and the PURE DIRECT indicator goes off. When the PURE DIRECT function is on, the tone controls are bypassed, so you can enjoy a pure sound. The PURE DIRECT indicator lights up. Adjusting the Bass The BASS control adjusts bass sounds. Turn it up to make them louder. Turn it down to make them quieter. Normally, it should be set midway. Adjusting the Treble The TREBLE control adjusts treble sounds. Turn it up to make them louder. Turn it down to make them quieter. Normally, it should be set midway. Loudness Control By pressing the [LOUDNESS] button, both treble and bass are reinforced when the volume is turned down low. Use this button according to the music source and according to the listening area. Its purpose is to enrich the natural sound effects of both the treble and bass. The indicator lights up when the LOUDNESS function is on. • When using the A-9755 as a power amplifier (MAIN IN function), the Loudness control doesn't work. • When the PURE DIRECT function is on, the Loud- ness control is disabled. 16