Canon 814XL - Manual (Page 74)

Single frame shooting is used to show in a
short time subjtct changes that takes a long
time, or to make animation movies. Please
calculate the projection time and the frame num­
bers required. For example, if you want to show
a flower that takes one hour to bloom in five
seconds of projection time, the frame number
required to shoot is 18 (the standard filming
speed of 18 fps) times 5, which is 90. Therefore,
90 frames are needed for 5 seconds' projection.
And since the flower takes 3600 seconds (1 hour)
to bloom, and 3600 divided by 90 is 40, you shoot
every 40 seconds to obtain 90 frames in one
hour. The Interval Timer E is very convenient for
this, instead of the remote switch. The Interval
Timer E can operate shooting with intervals up to
60 seconds.
Self-Timer E
For unmanned shooting, it is plugged into the
remote control socket of the camera, and, then,
it enables the photographer to film himself as
well. After the start button in the center is
pressed, it will film for 10 seconds after a 10
seconds lag. If you press the button, you can
shoot repeatedly as many times as you want. It is
reset the same as the remote switch.