Reference Manual

129
The
c
/
E
(Release Mode/Self-Timer) Button
D
Continuous H (Extended)
Depending on camera settings, exposure may vary erratically during each
burst. This can be prevented by locking exposure (
0
133).
D
The Memory Buffer
While the shutter-release button is pressed
halfway, the frame-count display will show
the number of pictures that can be stored in
the memory buffer.
When the buffer is full, the display will show
r00 and the frame rate will drop.
The number shown is approximate. The
actual number of photos that can be stored in the memory buffer varies
with camera settings and shooting conditions.