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Performing Operations and Settings in the Admin Viewer
143
5
Admin Viewer/VB Viewer
Setting the Exposure
(1) Exposure Mode
Select from [Auto], [Manual], [Auto (Flickerless)],
[Auto (Flickerless 2)] or [Auto (Shutter-priority AE)].
If [Auto] is selected for [Day/Night] under [Camera] in
the Setting page (p. 48), select [Auto], [Auto
(Flickerless)], [Auto (Flickerless 2)] or [Auto (Shutter-
priority AE)].
[Auto]
The exposure is controlled automatically.
[Manual]
The exposure is set by adjusting the shutter speed
and gain values manually.
[Auto (Flickerless)]
In this mode, video flickering caused by fluorescent
lights, etc., can be reduced. The shutter speed is
automatically adjusted according to the brightness
of the environment in which the camera is used.
[Auto (Flickerless 2)]
Use this mode if flickering is not reduced when
[Auto (Flickerless)] is selected. However, the
automatic adjustment range for the shutter speed is
suppressed so as not to exceed 1/100 sec. in this
mode, resulting in improper exposure
(i.e., excessive brightness) in some cases.
[Auto (Shutter-priority AE)]
In this mode, the desired shutter speed can be
specified.
(2) [Exposure Compensation]
When [Auto], [Auto (Flickerless)], [Auto (Flickerless 2)]
or [Auto (Shutter-priority AE)] is selected for
[Exposure], the exposure compensation value desired
can be selected from nine levels (-4 to +4) using the
slider.
To darken the video, select a negative value. To
brighten the video, select a positive value.
(3) [Metering Mode]
When [Auto], [Auto (Flickerless)], [Auto (Flickerless 2)]
or [Auto (Shutter-priority AE)] is selected for
[Exposure], the metering mode can be selected from
[Center-Weighted], [Average] or [Spot].
For an explanation on each item set in [Metering
Mode], see [Metering Mode] in the Setting page
(p. 46).
(4) [Shutter Speed]
When [Manual] or [Auto (Shutter-priority AE)] is
selected for [Exposure], select the shutter speed
desired. If [Manual] is selected, set the shutter speed
in the range of [1/1 sec] to [1/16000 sec] from a pull-
down menu. If [Auto (Shutter-priority AE)] is selected,
set the shutter speed in the range of [1/2 sec] to [1/
16000 sec] from a pull-down menu.
When capturing a moving subject, selecting a higher
shutter speed can reduce blurry video capture.
(5) [Slow Shutter]
You can set slow shutter if [Exposure] is set to [Auto],
[Auto (Flickerless)] or [Auto (Flickerless 2)]. Select a
value in the range of [1/2 sec] to [1/30 sec] from the
pull-down menu.
As slower shutter speeds generate afterimages when
capturing a moving subject, select an appropriate
time according to the capture conditions.
(6) [Gain]
If [Manual] is selected for [Exposure], set a desired
gain value.
Moving the slider to the left decreases the gain
(sensitivity to brightness) and darkens the video.
Moving the slider to the right increases the gain and
brightens the video.
Important
If it is set in the Admin Viewer, the same focus mode will
occur in the viewers of other users also.
Setting the shutter speed at [1/1 sec] in manual exposure
(p. 143) will disable the [Auto] and [One-shot AF] focus
modes in Control for Admin. Switch the focus to [Manual] and
adjust it to your subject.
Please refer to the notes on p. 48 for subjects that are difficult
to focus on, focus ranges and other information.
Changes to focus mode in the Admin Viewer will not be
reflected in the settings on the setting page.
Note that if you set the focus manually it will remain fixed.
(1)
(2)
(3)
(4)
(5)
(6)
Important
If the subject is a traffic signal or electronic scoreboard, etc.,
the captured
video may flicker.
In this case, try changing [Exposure] to [Auto (Shutter-priority
AE)] and then select a shutter speed lower than 1/100, to see
if the situation improves.
143


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