4ENGLISH2 INTRODUCTION2 ACCESSORIESThank you for choosing the DENON A/V Surround receiver. This remarkable component has been engineered to provide superb surround soundlistening with home theater sources such as DVD, as well as providing outstanding high fidelity reproduction of your favorite music 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 CONTENTSCheck that the following parts are included in addition to the main unit:1 BEFORE USINGPay 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 connectioncords between all other audio components when moving the set.• Before turning the power operation switch onCheck once again that all connections are proper and that there arenot problems with the connection cords. Always set the poweroperation switch to the standby position before connecting anddisconnecting connection cords.• 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.• V. AUX terminalThe AVR-1705/685’s frontpanel is equipped with a V.AUX terminal. Remove thecap covering the terminalwhen you want to use it.z Before Using ..............................................................................................4x Cautions on Installation ..............................................................................5c Cautions on Handling .................................................................................5v Features......................................................................................................6b Part Names and Functions ....................................................................7, 8n Read this first .............................................................................................9m Setting up the Speaker Systems................................................................9, Connections .....................................................................................10 ~ 16. Using the Remote Control Unit................................................................17⁄0 Setting up the System .....................................................................18 ~ 28⁄1 Remote Control Unit........................................................................29 ~ 33⁄2 Operation .........................................................................................34 ~ 38⁄3 Surround ..........................................................................................39 ~ 47⁄4 DSP Surround Simulation ................................................................48 ~ 52⁄5 Listening to the Radio......................................................................53 ~ 55⁄6 Last Function Memory .............................................................................56⁄7 Initialization of the Microprocessor.…………………………………………56⁄8 Additional Information......................................................................57 ~ 63⁄9 Troubleshooting ........................................................................................64¤0 Specifications .…………………………………………………………………65List of Preset Codes ...........................................................................128 ~ 132q Operating instructions ............................................................................1w Warranty .................................................................................................1e Service station list...................................................................................1r Remote control unit (RC-977) .................................................................1r t y ut R6P/AA batteries ....................................................................................2y AM loop antenna ....................................................................................1u FM indoor antenna..................................................................................1