Canon EOS-1D X Mark III Advanced User's Manual page 643

4.
Select [Confirm settings].
5.
Check the settings.
Logging in to Browser Remote
6.
Start a browser.
7.
Enter the URL.
Setting details are displayed.
Turn the < > dial to access other pages.
Write down the IP address.
After checking, press the <
screen.
Start a browser on the computer.
In the address bar, enter the IP address you noted in step 5.
Press the <Enter> key.
> button to close the confirmation
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