Adjust the bass boost level of the external amplifier using themain unit.Display and setting:“AMP Bass FLT” : Bass boost level is flat. (Default setting)“AMP Bass +6” : Bass boost level is low (+6dB).“AMP Bass +12” : Bass boost level is high (+12dB).As of December 2000, the power amplifiers controllable by themain unit are as follows:KAC-X501F/PS501F/X401M/PS401M/X301T/PS301T/X201T/PS201TNOTEExternal Amp ControlYou can dim the display.The dimmer function is not available for units if the dimmer cableis not connected.Display and setting:"Dimmer ON" : The dimmer setting is on. (Default setting)"Dimmer OFF" : The dimmer setting is off.NOTEDimmer"Contrast 0" – "Contrast 10"The initial setting value is "5".NOTEThis adjustment permits easy viewing of the display.Display and setting:Contrast AdjustmentWhen the Situational Mode is off, the original colour settingresumes.To finely adjust blue: (Blue Adjust Mode)Press the #3 button for two seconds or more to enter theblue adjust mode.The 4 and ¢ buttons are used to adjust the blue colortones, respectively.Press the #3 button to end the blue adjust mode.To store the colour setting in the memory:(colour preset memory)After adjusting the illumi colours, press the #5 button for twoseconds to store the colour setting in the memory.Pressing the #5 button again recalls the stored colours fromthe memory.The Blue Adjust mode setting cannot be stored in memory.Press the MENU button to end the Variable Illumination ColourSetting mode.7NOTE65▼Scan Mode▼SRC Mode(Changing colours depending on the source being played)▼▼Time Mode(Colour changes every six hours)Situational Mode off— 29 —Function of the KRC-V679R/KRC-679R