Nikon D3400 Triple Lens Parent's Kit Owner's Manual

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13
First Steps
Insert the Battery and a Memory Card
Before inserting or removing the battery or memory cards, 
confirm that power switch is in the OFF position. Insert the 
battery as shown, using the battery to keep the orange battery 
latch pressed to one side. The latch locks the battery in place 
when the battery is fully inserted.
Holding the memory card in the orientation shown, slide it in 
until it clicks into place.
Battery latch
A
The Clock Battery
The camera clock is powered by an independent, rechargeable power 
source, which is charged as necessary when the main battery is 
installed. Three days of charging will power the clock for about a 
month. If a message warning that the clock is not set is displayed 
when the camera is turned on, the clock battery is exhausted and the 
clock has been reset. Set the clock to the correct time and date.