User ManualTable of ContentsSafety Instructions2Thank You and Please Take a Moment3Technical Assistance and Customer Service3Table of Contents3Important Information4Connector Information4Introduction5Performance Features5Dimensions6Installation7Rear Panel Connections8How to Connect for Power Control9How to Connect for Two Channel Operation11How to Connect for Six Channel Operation12and Switch14How to Operate the Setup Mode15Default Settings15Display Brightness and Firmware Version16Country Code and Tune16Re-Title Inputs and Level Adjustments176 Channel 1 and 2 Inputs18Balanced Input182 Channel Sub19Power Control Triggers19Auto Tone19Remote Control Selection20How to Operate the C4521Remote Control Push-buttons24How to Operate by Remote Control25Preamplifier Specifications26Introduction27Performance Features27and Antenna Connections28How to Connect Antenna Components29How to Operate the Tuner30How to Optimize AM Reception32Tuner Specifications34Packing Instructions35Country Code16Introduction27Performance Features27Antenna Connections28How to Connect Antenna Components29How to Operate the Tuner30How to Assign Preset Stations31How to Optimize AM Reception32FM Specifications34AM Specifications34Size: 12.4 MBPages: 36Language: EnglishOpen manual