Datavideo RMC-180 Mark II PTZ Camera Controller User Manual
Page 12

12
IRIS/SHUTTER
The
IRIS/SHUTTER
dial allows you to manually set the
iris and shutter speed.
Push the
IRIS and SHUTTER
buttons to switch between auto and manual modes.
When the button LED illuminates
RED
, the manual
mode is enabled. When the button LED illuminates
WHITE
, the auto mode is enabled.
The
IRIS
button is
ON (RED)
by default. If the
IRIS
button
is disabled (
White
), the camera is in
AUTO EXPOSURE
mode.
The
SHUTTER
button is
OFF
(Auto) by default. Push to
enable
manual mode
(the button illuminates red).
IRIS
The iris limits the amount of light that hits the image
sensor. To manually set the iris, first make sure the
IRIS
button is
ON
then rotate the
IRIS/SHUTTER
dial right to
increase the opening and left to decrease. The size of
the opening should change as you rotate the dial.
Shutter Speed
A long exposure shot is created by decreasing the
shutter speed and vice versa. The longer the exposure,
the brighter your image will be and the shorter the
exposure, the darker your image will be.
To manually adjust the shutter speed, first make sure
the
SHUTTER
button is
ON
, then rotate the
IRIS/SHUTTER
dial right to increase the shutter speed
and left to decrease. The shutter speed should change
as you rotate the dial. Please note that you can also
adjust the shutter speed using the OSD menu. See
for more information. Please note that the
SHUTTER
button will be
disabled
(the button illuminates
white) if the shutter speed is not changed after 15
seconds.