19VX4010System Settings AdjustmentTo access and adjust system settings:1. Touch the Settings ( ) icon on the Main Menu screen to enter the SETTINGSMENU. Sub-menus where adjustments can be made will be highlighted. (See”SYSTEM SETTINGS” on page 23.)Volume AdjustmentTo increase or decrease the volume level, rotate the front panel RotaryVolume ( ) knob / Mute button. The unit’s front panel screen will display thevolume level for 3 seconds. The volume level ranges from 0 to 50 (a beep sounds,indicating that the adjustment limit has been reached).Bluetooth volume can be adjusted independently of the radio volume by rotatingthe Rotary Volume ( ) knob / Mute button. Bluetooth must be in a call whenmaking the volume adjustment. When exiting Bluetooth the volume will return tothe previous source volume level.Audible Beep ConfirmationAn audible beep tone confirms each function selection. The beep tone can bedisabled through the Setup menu.Muting the AudioPress the front panel Rotary Volume ( ) knob / Mute button to mute the audiofrom the unit. Mute icon is displayed on the LCD screen. Press the RotaryVolume ( ) knob / Mute button again to restore the audio volume to itsprevious level. Adjusting the volume or using any of the audio setup featurescancels the mute function.Equalizer ControlsEqualizer (EQ): Adjustment can be made after entering one of the audio/videosources (Disc, Radio, USB, AV-IN or SDHC).Touch the Equalizer (EQ) icon to view the Equalizer Control Screen to select adesired preset setting (Optimal, Classic, Rock, Jazz, Techno or Pop), Flat setting,custom User setting, make adjustments to the audio Balance and Fade levels or toturn the Loudness option ON or OFF. Touch the SRC icon to return to the currentsource. (See ”Adjusting Equalizer Controls” on page 21.)