446nTroubleshootingIf the camera fails to function as expected, check the list ofcommon problems below before consulting your retailer or Nikon-authorized service representative.Battery/DisplayShootingThe camera is on but does not respond: Wait for recording to end. If the problempersists, turn the camera off. If the camera does not turn off, remove andreinsert the battery or, if you are using an AC adapter, disconnect andreconnect the AC adapter. Note that although any data currently beingrecorded will be lost, data that have already been recorded will not beaffected by removing or disconnecting the power source.Viewfinder is out of focus: Adjust viewfinder focus (0 35). If necessary,viewfinder focus can be further adjusted using optional corrective lenses(0 426).Viewfinder is dark: Insert a fully-charged battery (0 19, 37).Displays turn off without warning: Choose longer delays for Custom Setting c2(Standby timer) or c4 (Monitor off delay) (0 334, 335).Displays in control panels or viewfinder are unresponsive and dim: The responsetimes and brightness of these displays vary with temperature.Camera takes time to turn on: Delete files or folders.Shutter-release disabled:• Memory card is full (0 30, 38).• Release locked is selected for Slot empty release lock in the setupmenu (0 385) and no memory card is inserted (0 30).• Aperture ring for CPU lens not locked at highest f-number (does notapply to type G and E lenses). If B is displayed in the top control panel,select Aperture ring for Custom Setting f4 (Customize command dials)> Aperture setting to use lens aperture ring to adjust aperture (0 358).• Exposure mode S selected with A or % selected for shutter speed(0 453).
