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Cropping/
top=<value>
&left=<value>
Crops a 'hugesize' type
&width=<value>
image.
&height=<value>
Moves the Pan/Tilt device 5
move=<x>
degrees in the specified
direction.
Pans the Pan/Tilt device <n>
pan=<n>
degrees relative to the home
position.
Tilts the Pan/Tilt device <n>
tilt=<n>
degrees relative to the home
position.
Pans the Pan/Tilt device <n>
rpan=<n>
degrees relative to the current
position.
Tilts the Pan/Tilt device <n>
rtilt=<n>
degrees relative to the current
position.
Adjusts the camera zoom to
zoom=<n>
the specified angle.
Parameter values expressed
in number of pixels and
truncated to multiples of 8
(e.g. 45 is truncated to 40).
Top+height must not exceed
the 'hugesize' height (i.e. 576
for PAL, 480 for NTSC).
Left+width must not exceed
the 'hugesize' width. ( i.e. 704
for PAL, 640 for NTSC)
up/down/left/right/home
-180 ... 180
-180 ... 180
-180 ... 180
-180 ... 180
1 ... 999
where 1is full zoom out
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