Denon AVR-E400 Service Manual

1.7. Completethermwareupdating
(1) Click the "Update" button.
(2) When writing of the rmware is completed, the power of AV receiver turns on automatically and you can see the
"Update completed" message.
After replacing U2603, always update the Firmware. After the update has been completed, initialize network.
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(3) If you can’t complete the rmware update, please retry the rmware update from "1.3. Turn on the AV receiver".
1.8. Notice:
Please keep the following notice for rmware update.
(a) Keep the PC environment
(b) Avoid the communication cable from the electrical noise source.
(e.g. telephone cable, AC line, a uorescent light)
(c) Don’t remove cable during update.
(d) Don’t turn off the power during update.
(e) Don’t run other PC application during update.
(f) Stop the resident program on PC (Virus checker and System check utility, etc.)
(g) Stop the screen saver on PC.
(h) Stop the power save ability on PC.
(i) In case of laptop PC, Use the AC adaptor.
Conrming the rmware’s number after upgraded
After updating the rmware, check the version. Refer to "1.μcom/DSPVersiondisplaymode" (24 page ).
XXXXXXX
XXXXXXXX
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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