d. It will take some time to save a file and do not operate it during the process when the indicator is shifted from blue to orange, for example, pressing the button repeatedly, connecting it with a computer, or the previously recorded file can not be saved smoothly or the camera does not react to your operation any more.
e. Please use it under a condition with sufficient illumination and keep its body straight and stable while keeping a distance of more than 30cm from it so as to ensure the correction direction, natural color, clear image and stable picture of a recording.