91Menu GuideChoose On to display on-demand grid lines in the viewfinder forreference when composing photographs.If Off is selected, the control panel and button backlights(illuminators) will only light while the power switch is rotatedtoward D. If On is selected, the backlights will remain on whilethe standby timer is active. Regardless of the option selected,the backlights turn off when the shutter-release button ispressed; if On is selected, they will come back on when you liftyour finger from the shutter-release button. Select Off forincreased battery life.D File Number SequenceIf the current folder is numbered 999 and contains either 999 picturesor a photograph numbered 9999, the shutter-release button will bedisabled and no further pictures can be taken (in addition, movierecording may be disabled if the current folder is numbered 999 andthe next file would be the 992nd or numbered 9992 or higher). ChooseReset for Custom Setting d7 (File number sequence) and then eitherformat the current memory card or insert a new memory card.d8: Viewfinder Grid DisplayG button ➜ A Custom Settings menud9: LCD IlluminationG button ➜ A Custom Settings menu
