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User’s Manual
30
R/K Model:
For the two models, Digital zoom ratio is adjustable from <02> to <12>. The
default setting is <OFF>.
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SLOW SHUTTER
The shutter speed determines how long the image sensor is exposed to
light. To see clear image in a dark environment, please enable this function
and select a slower shutter speed.
E/F/U Model:
As enable the digital slow shutter function, the dome will automatically
adjust the shutter speed basing on the light condition of installation
environment. It enables users to see objects in a dark environment under
0.2 lux.
K Model:
The shutter speed is adjustable in K model. With the slowest shutter speed,
users can see objects in a dark environment under 0.2 lux or see smooth
video image with a higher shutter speed. The options are from <1/2> to
<1/60> for NTSC and <1/1.5> to <1/50> for PAL.
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IMAGE INVERSE
Users can select <ON> to make the displayed image inversed vertically and
horizontally (see the figures shown below). Occasions to employ the
function include conferences, demonstration, testing, etc. For R and K
models, when this function is enabled, the preset mask(s) will be set off
automatically (see 3.3.21 Privacy Mask). The IMAGE INVERSE function’s
default setting is <OFF>.
Application:
Users can see the displayed images, as shown below, when a
dome is placed on the desk top in a conference, for instance.
IMAGE INVERSE (OFF) IMAGE INVERSE (ON)