Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 598)

598
Troubleshooting Guide
The card cannot be used.

If a card error message is displayed, see = 50 or = 613.
An error message is displayed when the card is inserted in
another camera.
 Since SDXC cards are formatted in exFAT, if you format a card with this
camera and then insert it into another camera, an error may be displayed
and it may not be possible to use the card.
I have to press the shutter button twice to take a picture.
 Set [
z
: Mirror lockup] to [Disable] .
The image is out of focus or blurred.
 Set the lens’s focus mode switch to < AF > ( = 54).
 Press the shutter button gently to prevent camera shake ( = 56,
= 57).
 With a lens equipped with an Image Stabilizer, set the IS switch to <
1
>.
 In low light, the shutter speed may become slow. Use a faster shutter
speed ( = 112), set a higher ISO speed ( = 213), use fl ash ( = 164,
= 179), or use a tripod.
 See “Minimizing Blurred Photos” on = 78.
There are fewer AF points or the Area AF frame shape is
diff erent.

Depending on the lens used, the number of usable AF points, AF point
patterns, Area AF frame shape, etc. vary.