How to overdrive a jensen vm9512?

Question

How to overdrive a jensen vm9512?

Answer 1

connect the white wire to the blue wire and the purple and green to ground

turn on the radio and volume all the way up the  blue screen and letter will disappear

Answer 2

you dont   you just dont  

and why would you want too jensen is not known for the cleanest signal in the first place but    hey  if ya want crappy sound and more noise   run it at 14.4volts  and hope for the best