Nikon D3100 User Manual

108
I
Protecting Photographs from Deletion
In full-frame, zoom, thumbnail, and calendar playback, the L button can be used to
protect photographs from accidental deletion.
Protected files can not be deleted
using the O button or the Delete option in the playback menu.
Note that protected
images will be deleted when the memory card is formatted (0 21).
To protect a photograph:
1 Select an image.
Display the image in full-frame playback or playback zoom or highlight it in the
thumbnail list in thumbnail or calendar playback.
2 Press the L (A) button.
The photograph will be marked with a P
icon.
To remove protection from the
photograph so that it can be deleted, display
the photograph or highlight it in the
thumbnail list and then press the L (A)
button.
Full-frame playback Thumbnail playback Calendar playback
A Removing Protection from All Images
To remove protection from all images in the folder or folders currently selected in the
Playback folder menu, press the L (A) and O buttons together for about two seconds
during playback.
L (A) button

Nikon D3100 Specifications

General

Megapixel	14.2 MP
Camera type	SLR Camera Body
Sensor type	CMOS
Image stabilizer	No
Image sensor size	- \
Maximum image resolution	4608 x 3072 pixels
Image sensor size (W x H)	23.1 x 15.4 mm
Still image resolution(s)	-
Digital zoom	- x
Focal length range	- mm
Interface	USB
Digital SLR	Yes
Power source type	Battery
Dimensions (WxDxH)	124 x 96 x 74.5 mm
Camera shutter speed	1/4000 - 30 s
Effective sensor resolution	14800000 pixels
Auto focusing (AF) modes	Single Auto Focus
ISO sensitivity	100, 200, 400, 800, 1600, 3200, Auto
Light exposure modes	aperture priority AE, auto, manual, shutter priority AE
Flash modes	Auto, Flash off, Red-eye reduction, Slow synchronization
Internal memory	- MB
Compatible memory cards	SD, SDHC, SDXC
Motion JPEG frame rate	30 fps
Maximum video resolution	1920 x 1080 pixels
Field of view	95 %
Display diagonal	3 \
Display resolution (numeric)	230000 pixels
Magnification	0.8 x
USB version	2.0
Scene modes	Children, Close-up (macro), Portrait
Photo effects	Black&White
White balance	Auto, Manual
Self-timer delay	10 s
Product color	Black
Fastest camera shutter speed	1/4000 s
Slowest camera shutter speed	30 s

Weight and Dimensions

Depth	96 mm
Width	124 mm
Height	74.5 mm
Weight	505 g