or go to pioneerelectronics.com and click the stereo and bring up owners manual for detailed instructions //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
That RPM screen is a joke. I calibrated mine at both 2000, and 4000 RPM and the **** thing reads at like 6.5K RPM when I'm sitting idle. My truck red lines at 5.5K. //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif