Nikon D3400 Two Lens Kit Owner's Manual

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The Setup Menu: Camera Setup
Photographs are saved using file names consisting of “DSC_” or, 
in the case of images that use the Adobe RGB color space 
(
0 194), “_DSC”, followed by a four-digit number and a three-
letter extension (e.g., “DSC_0001.JPG”). The File naming option 
is used to select three letters to replace the “DSC” portion of the 
file name. For information on editing file names, see page 211.
Adjust location data settings for use when the camera is 
connected to a smart device.
File Naming
G button
➜ B setup menu
A
Extensions
The following extensions are used: “.NEF” for NEF (RAW) images, “.JPG” 
for JPEG images, “.MOV” for movies, and “.NDF” for dust off reference 
data. In each pair of photographs recorded at image-quality settings of 
NEF (RAW)+JPEG, the NEF and JPEG images have the same file names 
but different extensions.
Location Data
G button
➜ B setup menu
Option
Description
Download 
from smart 
device
Select Yes to download location data from the smart 
device and embed them in pictures taken over the next 
two hours. Location data can not be acquired if the 
camera is off or the standby timer has expired.
Position
View the location data supplied by a smart device (the 
items displayed vary with the device). The data for 
movies are those reported at the start of recording.