How do you set the clock thank you very much

heres how.. hold source button down until radio turns off and clock is visable. nexst hold audio button down untill clock starts to blink. audio btn is top right hand button next to arrows. next choose hr or min and use up arrow to go up and down to go down

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/mark_b53a7494531bf96d

Should be able to hit source (SRC) button repeatedly and should see it. If not will have to go into menu and turn on

Here is a link to the owner's manual for the stereo which will tell you how to set the time:
http://a248.e.akamai.net/pix.crutchfield.com/Manuals/130/130DEH1800.PDF

How can I hook up an ipod to pioneer mosfet 50wx4? i cant get the aux function to show up

the amplifier inside the unit has failed.
you can verify by hooking up an amplifier and using the RCA jacks for your signal.
If it works - the radio's internal amplifier is in need of repair.
Something will have caused the problem - so in the meantime - check the speakers for shorted wiring or burned voicecoils.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question.

if it is a cd player it should have a deh- something number.

try turning off the radio then press the clock button then press for 3 seconds the function button this will give you access to the clock functions.

Press and hold down the "clock" button. You should see your time start flashing. Normally you set the time with the volume or channel control. Check which control lets the selector jump from "hou" to "minute and set the minutes. To exit setting menu, depress "clock" button again

Pioneer stereos clock setting
1)turn car iginition "ON"
2)turn stereo ON and then OFF.
3)Press SRC or Joystick until blinking clock appears
4)Set clock by pressing rt,left &top,bottom keys around volume knob (joystick).
i hope this helps.

http://audio.manualsonline.com/manuals/mfg/pioneer/fmam_deh1800.html

The link above will get you to the pdf. user manual.
The EEQ MOSFET 50wx4 is also known as DEH-1800.