Record Player• When connecting a record player with an MC cartridge, use acommercially available MC head amplifier or a step-up transformer.• Induction humming (a booming sound) may be produced from thespeakers if the volume is raised with no record player connected.• With some record players, noise may be generated when the groundwire is connected. If so, disconnect the ground wire.(/%"6%*0065RLTurntable (MM cartridge)NOTEThe AVR-988’s SIGNAL GND terminal is meant to reduce noise when arecord player is connected. This is not a safety ground terminal.RLRL"6%*0"6%*0 $0"9*"-0653-065CD PlayerConnect the cables to be used.CD playerWhen using an optical cable for the digital audio connection, makethe settings at menu “Input Setup” – “Assign” – “Digital In” (vpage35).ConnectionsGetting Started Setup Playback Remote Control Multi-Zone Information TroubleshootingGetting Started Connections Setup Playback Remote Control Multi-Zone Information Troubleshooting