Canon 1D X - Manual (Page 375)

375
Troubleshooting Guide
Depending on the attached lens, the number of usable AF points and
patterns will differ. The lenses are categorized into eight groups from A
to H. Check which group your lens belongs to. Using a lens in Groups
F to H will have fewer usable AF points (p.76).
When you press the <S> button, the blinking AF points are those that
are not cross-type AF points and are only horizontal line-sensitive. The
AF points that light up are cross-type AF points (p.71).
The AF point at the registered area is blinking (p.338).
Set the AF mode to One-Shot AF. Note that focus lock will not work in
the AI Servo AF mode (p.67).
At the <o> setting, the maximum continuous speed will be approx.
10 shots/sec. if the ISO speed is set to any of the following:
• ISO 32000 or higher is set manually.
• [Auto ISO range]’s [Maximum] is set to [51200] and Auto ISO
automatically sets ISO 32000 or higher.
• [81: Safety shift] is set to [ISO speed] and the safety shift
automatically sets ISO 32000 or higher.
Note that if the camera’s internal temperature is low, and when ISO
20000 or higher is set manually or automatically, the maximum
continuous shooting speed for <o> will be approx. 10 fps.
Depending on the ISO speed, shutter speed, aperture, subject
conditions, brightness, lens type, etc., the continuous shooting speed
may become slower.
If [Auto AF pt sel.: EOS iTR AF] is set to [Enable] (p.95) and you
shoot under low light, the continuous shooting speed will decrease.
There are fewer AF points.
The AF points are blinking.
I cannot lock the focus and recompose the shot.
The continuous shooting speed slows down.
COP
Y