ENGLISH42 INTRODUCTION2 ACCESSORIESThank you for choosing the DENON AVR-2801/981 Digital Surround A / V receiver. This remarkable component has been engineered to providesuperb surround sound listening with AV theater sources such as DVD, as well as providing outstanding high fidelity reproduction of your favoritemusic sources.As this product is provided with an immense array of features, we recommend that before you begin hookup and operation that you review thecontents of this manual before proceeding.TABLE OF CONTENTSz Before Using ……………………………………………………………………4x Cautions on Installation ………………………………………………………4c Cautions on Handling …………………………………………………………5v Features …………………………………………………………………………5b Connections …………………………………………………………………6~11n Part Names and Functions ………………………………………………12, 13m Setting up the system ……………………………………………………14~22, Remote Control Unit………………………………………………………23~31. Operation …………………………………………………………………31~35⁄0 Surround ……………………………………………………………………36~39⁄1 DSP Surround Simulation…………………………………………………40~44⁄2 Listening to the Radio …………………………………………………45~47⁄3 Last Function Memory ………………………………………………………47⁄4 Initialization of the Microprocessor …………………………………………47⁄5 Troubleshooting…………………………………………………………………48⁄6 Additional Information ……………………………………………………49~52⁄7 Specifications …………………………………………………………………53Check that the following parts are included in addition to the main unit:q Operating instructions…..1 w Warranty ( for North America model only )………...........1 e Service station list…….....1 r Remote control unitt R6P/AA batteries….....….2 y AM loop antenna…...............1 u FM indoor antenna…1 i FM antenna adaptor….....1 (RC-881)............…......112BEFORE USINGCAUTIONS ON INSTALLATIONPay attention to the following before using this unit:• Moving the setTo prevent short circuits or damaged wires in the connection cords,always unplug the power cord and disconnect the connection cordsbetween all other audio components when moving the set.• Before turning the power switch onCheck once again that all connections are proper and that there arenot problems with the connection cords. Always set the powerswitch to the standby position before connecting and disconnectingconnection cords.Noise or disturbance of the picture may be generated if this unit orany other electronic equipment using microprocessors is used near atuner or TV.If this happens, take the following steps:• Install this unit as far as possible from the tuner or TV.• Set the antenna wires from the tuner or TV away from this unit’spower cord and input/output connection cords.• Noise or disturbance tends to occur particularly when using indoorantennas or 300 Ω/ohms feeder wires. We recommend usingoutdoor antennas and 75 Ω/ohms coaxial cables.For heat dispersal, leave at least 10 cm of space between the top,back and sides of this unit and the wall or other components.• Store this instructions in a safe place.After reading, store this instructions along with the warranty in asafe place.• Note that the illustrations in this instructions may differ fromthe actual set for explanation purposes.10 cm or more10 cm or moreWall