Sony ILCA-77M2 - Manual (Page 24)

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24
Inserting the battery pack/memory
card (sold separately)
1
While sliding the battery cover
open lever, open the cover.
2
Firmly insert the battery pack all
the way while pressing the lock
lever with the tip of the battery.
3
Close the cover.
4
While sliding the memory card
cover, open the cover.
Lock lever