Nikon D3100, User Manual, Page: 138 / 318

y
46
5
Start recording.
Press the movie-record button to start recording (the
camera can record both video and sound; do not cover the
microphone on the front of the camera during recording).
A recording indicator and the time available are displayed
in the monitor. Except in
i
and
j
modes, exposure can
be locked by pressing the AE-L/AF-L button (
0
80) or (in
modes P , S , and A ) altered by up to ±3 EV in steps of
1
/
3
EV
using exposure compensation (
0
81). Focus can be
locked by pressing the shutter-release button halfway.
6
End recording.
Press the movie-record button again to end recording.
Recording will end automatically when the maximum
length is reached, or the memory card is full.
A
Taking Photographs During Movie Recording
To take a photograph during movie recording, press the shutter-release button all the
way down and hold it in this position until the shutter is released.
A
Maximum Length
Each movie file can be up to 4 GB in size and 10 minutes long; note that depending on
memory card write speed, shooting may end before this length is reached (
0
177).
Movie record button
Recording indicator
Time remaining