Canon EOS 70D, Basic Instruction Manual

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Troubleshooting Guide
420
The camera cannot be used with EF-M lenses (p.40).
Install a recharged battery pack in the camera (p.28).
Make sure the card is properly inserted (p.31).
Slide the card’s write-protect switch to the write/erase position (p.31).
If the card is full, replace the card or delete unnecessary images to
make space (p.31, 322).
If you try to focus in the One-Shot AF mode while the focus
confirmation light <
o
> in the viewfinder blinks, a picture cannot be
taken. Press the shutter button halfway again to refocus automatically,
or focus manually (p.45, 110).
If a card error message is displayed, see page 33 or 432.
Shooting-Related Problems
The lens cannot be attached.
The viewfinder is dark.
No images can be shot or recorded.
The card cannot be used.