Canon EOS-1D C - Manual (Page 14)

14
With a Canon HDMI cable (sold separately):
With a third party HDMI cable (commercially available):
Using the Cable Protector and Clamp
1
Cable protector
2
HDMI cable (sold separately)
Interface cable
Cable clamp
3 4
1 2
3 4
If the plug of a third-party HDMI cable can fit into the Cable protector, using
the Cable protector is recommended.