This document is an instruction manual for the CD receiver KDC-MP443 KDC-MP3043 KDC-MP343 KDC-MP243 KDC-MP243SW, which introduces its basic operation, general functions, tuner functions, disc play functions, audio control, audio setup, speaker setting, switching display, manual clock adjustment, menu operation, security code activation/deactivation, auxiliary input, display setting, demonstration mode setting, basic operations of the remote control, accessories/installation procedure, connecting wires to terminals, installation, troubleshooting guide, and specifications.