164gReduce flicker and banding in the displays and in movies whileshooting under fluorescent or mercury-vapor lighting. Choose afrequency which matches that of the local AC power supply.When a photograph is taken or a movie isrecorded, the camera names the file byadding one to the number of the previ-ous file (0 124). If the current folder isnumbered 999 and contains either 999photographs or a photograph numbered9999, the shutter-release button will be disabled and no furtherphotographs can be taken. To reset file numbering to 0001,select Yes for Reset file numbering and then either format thecurrent memory card or insert a new memory card.Flicker ReductionA Flicker ReductionIf you are unsure as to the frequency of the local power supply, testboth options and choose the one that produces the best results. Flickerreduction may not produce the desired results if the subject is verybright, in which case you should select mode v or w and choose asmaller aperture (larger f-number).Reset File Numbering