Canon EOS-1D C EOS 1D X Instruction Manual - Page 386

Troubleshooting Guide Playback Problems Part of the image blinks in black. [33: Highlight alert] is set to [Enable] (p.253). A red box is displayed on the image. [33: AF point disp.] is set to [Enable] (p.253). The image cannot be erased. If the image is protected, it cannot be erased (p.277). A voice memo cannot be played back. Set [85: J/K button function] to [Play memo (Hold: Record memo)] (p.334). The movie cannot be played back. Movies edited with a personal computer cannot be played with the camera. When the movie is played back, camera operation noise can be heard. If you operate the camera's dials or lens during movie shooting, the operation noise will also be recorded. Using an external microphone (commercially available) is recommended (p.241). The movie has still moments. During autoexposure movie shooting, if there is a drastic change in the exposure level, the recording will stop momentarily until the brightness stabilizes. If this happens, shoot in the mode (p.229). 386