Canon EOS REBEL T2I Instruction Manual page 32

Troubleshooting Guide
The battery becomes exhausted quickiyo
® Use a fully=charged battery pack (p.24)_
® The rechargeable battery pack performance will degrade over
repeated use. Purchase a new one.
® If you use Live View shooting or shoot movies for a prolonged period
(p.107, 123), the number of possible shots will decrease.
The camera turns off by itseifo
® Auto power off is in effecL if you do not want auto power off to take
effect, set [_ Auto power oft] to [Oft].
® Even if [_ Auto power off] has been set to [Oft], the LCD monitor will
still turn off after the camera is idle for 30 min. Press the <DtSR>
button to turn on the LCD monitor.
No images can be shot nor recorded.
® The card is not properly inserted (p.31).
® Bfthe card is full, replace the card or delete unnecessary images to
make room (p.31,171).
® Bfyou try to focus in 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 focus, or focus manually (p.37, 69).
_ Slide the card's write-protect switch to the Write/Erase setting (p.31).
The image is out o1' focus_
® Set the lens focus mode switch to <AF> (p.33).
® To prevent camera shake, press the shutter button gently (p.36, 37).
® If the lens has an Image Stabilizer, set the IS switch to < ON>.
219