How to Turn on the Pioneer DEH-P4800MP Manual AUX Input
- 1). Press "Function" to select "AUX1/AUX2." Press it repeatedly until "AUX1/AUX2" appears on the display.
- 2). Press the up or down arrow buttons to turn the auxiliary input on or off. Check the display. "AUX1:ON" indicates that "AUX1" is switched on, for example.
- 3). Select the source by pressing "Source" and then choosing "AUX1" or "AUX2" as the source. The auxiliary input will be played.
Source...