According to the pdf manual, the flashing icon called the "Camera Shake Warning" warns that "images are likely to be blurred by camera shake" Their solution is to mount the camera on a tripod or take other measures to keep it still. What measures it's referring to are not stated. The problem is that I get this flashing icon every time I push the shutter button half way. I get it in every mode except "IS" mode. Should I just ignore this icon or am I supposed to do something about it?