Denon AVR-E400 Service Manual

3.5. Start update
Turn on the power of this unit in the "STATUS" + "OPTION" button.
3.6. "USB Update Start" on FL Display
After arround half minutes, FL display shows the following message.
FL Display
Upper
* F I R M W A R E U P D A T E
Lower
U S B U p d a t e S t a r t
3.7. Push "ENTER" key on RC or Main unit
Then start Firmware Update.
FL Display
Upper
P l e a s e w a i t . . .
Lower
U p d a t e F i l e C h e c k
3.8. Finishrmwareupdate
FL display shows the following message.
FL Display
Upper
F i r m U p d a t e
Lower
U p d a t i n g C o m p l e t e
--- Cautions on Firmware Update ---
• Do not remove a USB memory until updating is completed.
• Do not turn off the power until updating is completed.
Approximately 1 hour is required for the updating procedure to be completed.
Once updating starts, normal operations on the this unit cannot be performed until updating is completed. Also, setting
items of the GUI menu of this unit or setting items of the image adjustment may be initialized.
Note down the settings before updating, and set them again after updating.
PUSH "ENTER"
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Denon AVR-E400 Specifications

General

HDMI Inputs	6
HDMI Outputs	1
3D Pass-through	Yes
4K Pass-through	Yes
Dolby TrueHD	Yes
DTS-HD Master Audio	Yes
Audyssey MultEQ	Yes
Network Connectivity	Yes
AirPlay	Yes
DLNA	Yes
Input Impedance	47 kOhms
Input Sensitivity	200 mV
Signal-To-Noise Ratio	100 dB
Response Bandwidth	10 Hz - 100 kHz
THD	0.08%
Tuner Presets	56
Tuner Bands	AM/FM
Frequency Response	10 Hz - 100 kHz
Video Upscaling	Yes
Bluetooth	No
Wi-Fi	No
Surround Sound Effects	DTS Neo:6
Audio D/A Converter	192kHz/24-bit
Inputs	HDMI, Digital Optical, Digital Coaxial, Analog
Outputs	HDMI, Headphones