4 | DPX503U/DPX303/DPX313General functionsPower/Source Select button : [SRC]Turns on the power.When the power is ON, select a source.SRC Select mode 1: Press the [SRC] button and thenturn the Control knob or push it toward left or right.To determine the selected source, press the Controlknob.SRC Select mode 2: Pressing this button each timeswitches between sources.Tuner (“TUNER”), USB or iPod (“USB” or “iPod”)(DPX503U only), CD (“Compact Disc”), Auxiliary input(“AUX”), and Standby (“STANDBY”)Press at least 1 second to turn off the power.⁄• The SRC Select mode can be set in “MENU” > “SRC Select” of (page 6).• When an optional accessory is connected, the source namefor each device appears.• This unit automatically turns full power OFF after 20minutes lapses in Standby mode in order to save thevehicle's battery. The time until full power OFF can be set in“Power OFF” of (page 6).• When connection of the iPod is recognized, the sourcedisplay changes from “USB” to “iPod”. (DPX503U only)Volume control : [AUD]Turn the knob to adjust the volume.Attenuator : [ATT]Turning the volume down quickly.When the volume is reduced, the “ATT” indicatorflashes.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 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 (page31).Auxiliary input : Auxiliary inputConnect a portable audio device with mini-plugcable (ø3.5 mm).⁄• Use the mini-plug cable which is stereo type and does nothave any resistance.• The auxiliary input requires the setting made in “MENU” >“Built in AUX” of (page 6).Subwoofer output : Control knobSwitches between ON (“SUBWOOFER ON”) and OFF(“SUBWOOFER OFF”) each time pushing toward downfor at least 2 seconds.⁄• This function requires the setting made in “MENU” >“SWPRE” of (page 6).Function Control : [FNC]Pressing this button allows you to set variousfunctions using the Control knob. Refer to Control> (page 6).Category Function of setup itemMENU Allows you to set up the environment.SOUND* Allows you to set up the sound environment.DISP Allows you to set up the display.COLOR* Allows you to set up the illumination color.*Function of DPX503UText/Title scroll : Control knobScrolls the CD, audio file, and Radio text display whenpushing toward up for at least 2 seconds.Basic Operation[AUD] [1]—[6][ATT][TI] [FNC][ ][SRC]Auxiliary inputDisc slotControl knobUSB Terminal(DPX503U only)
