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Reset procedure:

With the power off, press and hold the “TUNER 
PRESET CH +” button, the “TUNER PRESET CH -” 
button, and the “POWER” button simultaneously 
on the AVR for a few seconds until the display 
starts flashing at intervals of about 1 second.

Resetting the micro is a procedure used to "reboot" the microprocessor to restore its normal operation when it temporarily freezes, locks 
up, or behaves erratically. Resetting the microprocessor, erases any saved settings you may have previously programmed into the unit

Issues that can affect the performance of the microprocessor:

A jolt of static electricity

Current surge through an input

Before resetting the microprocessor;

Check all connections carefully 

Check for setup errors

Back up your settings. You may also want to write down your preferred settings for easier task of setting up the AVR after reset. 

Note: The Web (Browser) Control feature can be used to back up your settings by saving a configuration file on your hard drive. For this 
feature, we recommend using one of the following web browsers: Internet Explorer 10 and above, Mozilla Firefox 24 and above, Google 
Chrome 29 and above, and Safari 5.x and above.

Note: If you had an installer setup your system, please first contact your installer to see if they can reset and then setup your system again 
as there may be specific EQ calibrations (Audyssey) that the installer will need to perform.

Important: 

Back up the settings before resetting the microprocessor. Most settings are reset to the factory default values after performing 

this procedure. This means that all the settings data will be completely lost if it’s not previously saved. 

WARRANTY 2

Reset

Power/Standby 

button

SOURCE SELECT 

SOURCE SELECT 

11

ACCESSORIES

Summary of Contents for AVR-E400

Page 1: ...es Accessories Reset Procedure Warranty Remote Control Rear Panel Front Panel Protection History Display Mode MODEL AVR E400 1 Model Information Index NOTE This edition is missing the FAQ s content pa...

Page 2: ...nt hearing loss do not raise the volume level excessively when using headphones AUX HDMI connector Used to connect devices such as video cameras and game consoles HOME DISPLAY 1 2 USB port Used to con...

Page 3: ...brightness of the display STATUS button Each press of this switches the status information that is shown on the display QUICK SELECT buttons With a single press of any of these buttons you can call u...

Page 4: ...hen the input source is NETWORK or iPod USB when you are playing back music Sleep timer indicator This lights when the sleep mode is selected Tuner reception mode indicators These light according to t...

Page 5: ...by or DTS signals are input or when the Dolby or DTS decoder is running Surround back indicator This lights when audio signals are being output from the surround back speakers Input mode indicators Se...

Page 6: ...uipped with HDMI connectors Digital audio connectors DIGITAL AUDIO Used to connect devices equipped with digital audio connectors Network connector NETWORK Used to connect this unit to the network Vid...

Page 7: ...annel page search buttons CH PAGE These select preset radio stations or switch pages MUTE button This mutes the output audio Information button INFO This displays the status information on the TV scre...

Page 8: ...e remote control unit SLEEP button This sets the sleep timer POWER button O This turns the power on off VOLUME buttons These adjust the volume level OPTION button This displays the option menu on the...

Page 9: ...m an AUTHORIZED DENON ELECTRONICS USA LLC DEALER DENON ELECTRONICS USA LLC a D M Holdings Company 100 Corporate Drive Mahwah NJ 07430 2041 201 762 6665 www usa denon com DENON FACTORY SERVICE by PANUR...

Page 10: ...f you are uncertain as to whether a service station is DENON authorized please visit our website at http usa denon com us Support Pages ServiceCenterSearch aspx or contact DENON as listed below In all...

Page 11: ...nt to write down your preferred settings for easier task of setting up the AVR after reset Note The Web Browser Control feature can be used to back up your settings by saving a configuration file on y...

Page 12: ...963116100070S 8 99 963116100080S 3 27 NA Remote Control RC1183 Sound Calibration Microphone ACM1HB Sound Calibration Microphone Stand AM Loop Antenna FM Indoor Antenna CD ROM Owner s Manual Notes on R...

Page 13: ...FAQ s 1 of HOME FAQ s 2 ACCESSORIES 13...

Page 14: ...FAQ s 2 of HOME UPGRADE FAQ s 1 14...

Page 15: ...tter occurs one of the following messages will appear on the screen To Check for Firmware Update from the Denon server when the unit is connected to the internet via the Ethernet port When Firmware No...

Page 16: ...urround 90 W 90 W 8 ohms 20 Hz 20 kHz with 0 08 T H D 125 W 125 W 6 ohms 1 kHz with 0 7 T H D Surround back 90 W 90 W 8 ohms 20 Hz 20 kHz with 0 08 T H D 125 W 125 W 6 ohms 1 kHz with 0 7 T H D Output...

Page 17: ...io MONO 70 dB IHF A weighted Direct mode STEREO 67 dB IHF A weighted Direct mode Distortion Mono 0 7 Stereo 1 0 SPECIFICATIONS AUDIO SPECIFICATIONS DIMENSIONS WEIGHT 17 General section Power supply AC...

Page 18: ...Specifications Dimensions Weight HOME Dimensions section Unit inch mm Weight 20 lbs 12 oz 9 4 kg SPECIFICATIONS TUNER GENERAL SPECIFICATIONS AUDIO 18...

Page 19: ...The End HOME 19 NOTE This edition is missing the FAQ s content pages 13 and 14 7 29 2015 This edition is missing the link to the IR Codes 7 29 2015...

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