HP R818 - Manual (Page 71)

71 Taking Pictures and Recording Video Clips
The resolution and compression settings appear in the Image
Display when you are recording video clips. Except in My
Mode (see page 56), Video Quality remains in effect until it
is changed again, even when you turn the camera off.
Setting Description
VGA (Default) Captures 640 by 480 pixel frames at 30 fps
with low compression. Produces very high quality video
clips but uses the most memory. Useful for outdoor
action video clips or printing individual video frames up
to 10.2 by 15.2 cm (4 by 6 in).
VGA Captures 640 by 480 pixel frames at 24 fps, with
medium compression. Produces high quality video clips
and uses less memory than VGA . Useful for
indoor video clips or printing individual video frames
up to 7.6 by 12.7 cm (3 by 5 in).
QVGA Captures 320 by 240 pixel frames at 30 fps, with high
compression. Useful for capturing longer video clips.
This setting is not recommended for printing individual
video frames.