8 | KDV-5244U/ KDV-5544U/ KDV-4244/ KDV-4544General functionsPower/Source Select button: [SRC]Turns on the power.When the power is on, the source switches betweenTuner (“TUNER”), USB*1 or iPod*1 (“USB” or “iPod”), DVD(“DVD”), AV input (“AVIN”), and Standby (“STANDBY”)each time this button is pressed.Press at least 1 second to turn off the power.⁄• When an optional accessory is connected, the source namefor each device appears.Volume control: [AUD] knobTurn the knob to adjust the volume.Subwoofer output: [AM–]Switches between ON (“SW ON”) and OFF (“SW OFF”)each time this button is pressed for at least 2 seconds.⁄• You can do this function when “SWPRE” in Control> (page 11) is set to “SW”.AV inputConnect an external player such as a digital audioplayer to AV IN jack. Use of the optional cable CA-C3AV is recommended for connecting an externalplayer.⁄• The AV input requires the setting made in “MENU” > “AVIN”of (page 11).Switching display: [DISP]Changes the information displayed. Refer to page 14for the details of the display setting.Text/Title scroll: [DISP]Scrolls the text display of a CD, audio files or Radiotext when pressed for at least 1 second.Muting volume upon reception of phone callWhen there is a call, “CALL” is displayed and the audiosystem is paused.When the call ends, “CALL” disappears and the audiosystem comes back on.The audio system also comes back on when [SRC] ispressed during a call.⁄• To use the TEL Mute feature, you need to hook up the MUTEwire to your telephone using a commercial telephoneaccessory. Refer to (page37).Tuner functionsFM band: [FM+]Switches between FM1, FM2, and FM3 each time the[FM+] button is pressed.AM band: [AM–]Switches to AM.Tuning: [4]/ [¢]Changes the frequency.⁄• Use the “MENU” > “AUTO1”/ “AUTO2”/ “MANUAL” in (page 10) to change the frequencyswitching.• During reception of stereo stations the “ST” indicator is ON.Preset memory: [1] - [6]Memorizes the station selected when pressing for atleast 2 seconds.Preset tuning: [1] - [6]Recalls the memorized station.Traffic information: [FM+]Turns ON or OFF the Traffic Information functionwhen pressing for at least 2 seconds. When thefunction is turned ON, “TI” indicator is ON.Basic Operation of control panel[DISP] [AUD][ ] [1] [2] [3] [4] [5] [6][] [D][ ][FM+] [AM–][SRC] ReleaseAV inputUSB Terminal*1Disc slot