337Shooting (P, S, A, M)Live view ends unexpectedly or does not start: Live view may end automaticallyto prevent damage to the camera’s internal circuits if:• The ambient temperature is high• The camera has been used for extended periods in live view or torecord movies• The camera has been used in continuous release modes for extendedperiodsIf live view does not start when you press the a button, wait for theinternal circuits to cool and then try again. Note that the camera mayfeel warm to the touch, but this does not indicate a malfunction.Image artifacts appear during live view: “Noise” (randomly-spaced brightpixels, fog, or lines) and unexpected colors may appear if you zoom in onthe view through the lens (0 38) during live view; in movies, the amountand distribution of randomly-spaced bright pixels, fog, and bright spotsis affected by frame size and rate (0 166). Randomly-spaced brightpixels, fog, or bright spots may also arise as a result of increases in thetemperature of the camera’s internal circuits during live view; exit liveview when the camera is not in use.Menu item can not be selected: Some options are not available in all modes.Shutter-release disabled:• Non-CPU lens is attached: rotate camera mode dial to A or M (0 51).• Mode dial rotated to S after shutter speed of A or % selected inmode M: choose new shutter speed (0 53).Full range of shutter speeds not available: Flash in use. Flash sync speed can beselected using Custom Setting e1 (Flash sync speed); when usingcompatible flash units, choose 1/320 s (Auto FP) or 1/250 s (Auto FP)for full range of shutter speeds (0 282).
