You can tune a DEH-P01 by ear, but you'll only use 40% of its potential. The manual unlocks the other 60%—transforming a confusing stack of buttons into the most powerful SQ (Sound Quality) deck Pioneer ever made. Read it once to set it up, then keep it close for the rest of your build.
Download the Installation Manual , not just the Operation Manual. The install guide contains the wire color codes for the external DEQ-P01 processor, which is essential if you're running an optical connection. pioneer deh-p01 manual
The DEH-P01 features a sophisticated ATA using a supplied microphone. The manual walks you through placing the mic at your "listening position," navigating the noise test, and interpreting the distance measurements. It also explains why you might want to ignore the auto settings and manually adjust the delay—a tip hidden in the fine print of page 32. You can tune a DEH-P01 by ear, but