Olympus C 4000 C-4000 Zoom Reference Manual (8.2 MB) - Page 59

Chapter 4 Focusing Auto focus When you place the AF target mark on a subject and press the shutter button halfway, the green lamp lights up. This means that focusing is being performed automatically. If the green lamp blinks, focusing is not correct. If this happens, use Manual focus (P. 63) or Focus lock (P. 59). Viewfinder AF target mark Green lamp Shutter button When Auto focus does not work - Subjects that are difficult to focus on Under certain types of conditions auto focus may not work properly. If you run into problems, try the procedure below. Conditions 1, 2 and 5 Auto focus may not work properly. The green lamp may blink. Conditions 3 and 4 Auto focus may not work properly even when the green lamp lights when you press the shutter button down halfway. 1 Subjects with low contrast 2 Subjects in excessively bright light in the center of the frame 3 Subjects at different distances 4 Fast-moving subjects 58