Canon EOS-1D X Mark III Advanced User's Manual page 679

Manually Editing Connection Settings
You can add, change, or delete communication and function settings saved on the camera.
You can also configure settings that are not set using the connection wizard, such as a
setting that determines what happens if files with the same name as existing files are sent to
the FTP server.
Editing communication settings
1.
Select [
2.
Select [Manual setting].
3.
Select [Comm settings].
: Network settings].
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