: Press the AUDIO button repeatedly to cycle through settings like Fader, Balance, and Equalizer presets. Official Manual Links
Press the button repeatedly to cycle through the available sound profiles. To create a Custom setting: Select the "Custom" preset. pioneer eeq 45wx4 instruction manual
For model-specific downloads, visit the Pioneer Support Manuals page and enter your specific model number (e.g., DEH-1400). Pioneer Car Stereo User Manual - CARiD.com : Press the AUDIO button repeatedly to cycle