Nikon D3400 Reference Manual - English - Page 55

The Battery Level and Number of Exposures Remaining Press the R button and check the battery level and number of exposures remaining in the information display. Battery level R button Number of exposures remaining Battery Level If the battery is low, a warning will also be displayed in the viewfinder. If the information display does not appear when the R button is pressed, the battery is exhausted and needs to be recharged. Information display L K H H (flashes) Viewfinder - - d d (flashes) Description Battery fully charged. Battery partially discharged. Low battery. Ready fully-charged spare battery or prepare to charge battery. Battery exhausted. Charge battery. Number of Exposures Remaining Values over 1000 are shown in thousands, indicated by the letter "k". Tutorial 31