27Tutorial—Basic PhotographyStep 1—Ready the CameraBefore taking photographs, ready the camera as described below.1.1 Turn the cam era onThe control panel will turn on and the dis-play in the viewfinder will light.1.2 Check the battery levelCheck the battery level in the viewfinder ortop control panel.1* No icon displayed when camera powered by optional AC adapter.Icon*ControlpanelView-fi nder Status Notes— Battery fullycharged Aperture and shutter-speed indi ca tors in topcon trol pan el and all indica tors in viewfinderturn off if no oper a tions are performed for 6 s(auto meter off). Press shutter-release buttonhalfway to reac ti vate display.— Batterypartiallydischarged——(flashes) (flashes)Batteryexhausted Shutter release disabled.Low battery Ready fully-charged spare battery.The Battery IndicatorIf the segments in the control panel battery icon blink on and off, the camera is calcu-lating the battery charge. The battery level will be displayed in about three seconds.The IconA fl ashing icon in the control panel indicates that the battery has malfunctionedor is otherwise unsuitable for use in the D2Xs (the icon in the viewfinder may alsofl ash). Contact a Nikon-authorized service representative.