Denon AVR-4520, Service Manual

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2. How to update by DPMS
You can update the firmware by downloading the latest version from the Internet.
2.1. Connecting to the Network
(1) System requirements
• Internet Connection by Broadband Circuit
• Modem
• Router
• Ethernet cable (CAT-5 or greater recommended)
(2) Setting
2.2. Checking and updating the firmware
Check if the latest firmware exists. You can also check approximately time required to complete an update.
(1) Press the "SETUP" button on the remote control to display the GUI menu.
(2) Use the cursor buttons to select "GENERAL" → "FIRMWARE" → "Update" → "Check For Update".
(3) Press the "ENTER" button.
• The latest version of the firmware on the website is displayed.
• If the firmware on the website is latest, proceed to (4).
• If the latest firmware has been already installed, press the "SET UP" button to close the menu.
(4) Use the cursor buttons to select "Update", then press the "ENTER" button.
• During update, the power indicator lights in red and the GUI screen disappears. And an approximately remaining
time is indicated on the display.
• When updating is complete the power indicator lights in green and normal status is resumed.
--- Cautions on Firmware Update ---
• In order to update the firmware, you must have the correct system requirements and settings for a broadband Internet
connection.
• Do not turn off the power until updating is completed.
Even with a broadband connection to the Internet, approximately 1 hour is required for the updating procedure to be
completed.
Once updating starts, normal operations on the AVR-4520 cannot be performed until updating is completed. Also,
setting items of the GUI menu of AVR-4520 or setting items of the image adjustment may be initialized.
Note down the settings before updating, and set them again after updating.
Modem
Internet
Computer
LAN port/
Ethernet
connector
NETWORK
connector
Router
To WAN port
To LAN port
To LAN port