Canon EOS 30D Instruction Manual page 182

Troubleshooting Guide
The image is out of focus.
The lens focus mode switch is set to <MF>.
Set the lens focus mode switch to <AF>. (p.27)
Camera shake occurred when you pressed the shutter
button.
To prevent camera shake, hold the camera still and press the
shutter button gently. (p.30, 44)
The CF card cannot be used.
[Err **] is displayed on the LCD panel.
If it is [Err CF], see page 126.
If it is [Err 02], see page 183.
Image Review & Operation
The image cannot be erased.
The image is erase-protected.
Cancel the protection. (p.123)
The wrong shooting date and time is displayed.
The correct date and time has not been set.
Set the correct date and time. (p.39)
No image appears on the TV screen.
Video cable plugs are not inserted all the way.
Insert the video cable plugs firmly all the way. (p.122)
The correct video format (NTSC or PAL) has not been set.
Set the camera to the correct video format to match the TV set.
(p.36)
You are not using the video cable that came with the camera.
Use the video cable that came with the camera. (p.122)
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