Canon VB-M40 Operation Manual page 40

Ptz network camera
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3 [Metering Mode]
Set the metering mode when the camera starts.
[Center-Weighted]
The entire screen is metered by focusing on the
center of the screen.
Even when slightly darker/brighter areas are present
on the periphery of the screen, an appropriate
exposure can be achieved for the subject near the
center.
Use this mode if the subject is positioned near the
center of the screen.
[Average]
The entire screen is metered by averaging.
A stable exposure can be achieved even in a
capture environment where there are notable
brightness differences within the screen.
Use this mode to stabilize the exposure in locations
where vehicles or people are moving.
[Spot]
The center of the screen is metered.
An appropriate exposure can be achieved for the
subject at the center of the screen regardless of the
brightness/darkness on the periphery of the screen.
Use this mode if you want to adjust the exposure to
the center of the screen because the subject is
receiving a spotlight or backlight, etc.
4 [Focus Mode]
Set the focus mode when camera starts.
[Auto]
Automatically brings the subject into focus. Normally
[Auto] is selected.
[Fixed at infinity]
The focus can be fixed to near infinity.
5 [Smart Shade Control]
Set smart shade control when the camera starts to
[Disable] or select the value from 7 levels of 1 (weak) to
7 (strong).
6 [White Balance]
Select the white balance according to the light source
to achieve natural color in the image.
[Auto]
The white balance is adjusted automatically.
[Manual]
Set the values of red and blue gain according to the
light source. Enter a value from 0 to 1023 for each
the [R Gain] and [B Gain].
[Daylight Fluorescent]
Select this option to capture video under daylight
fluorescent lighting.
[White Fluorescent]
Select this option to capture video under daylight
fluorescent or white fluorescent lighting.
4
-10
[Warm Fluorescent]
Select this option to capture video under warm
fluorescent lighting.
[Mercury Lamp]
Select this option to capture video under mercury
lamps.
[Sodium Lamp]
Select this option to capture video under orange
sodium lamps.
[Halogen Lamp]
Select this option to capture video under halogen
bulbs or incandescent bulbs.
Important
• In conditions where an outdoor scene is captured from an
indoor location through a glass window, the camera may
focus on the glass surface if there is dust or water there.
Install the camera at the shortest possible distance (within 30
cm) from the glass surface.
• The initial camera settings 1 to 6 define the defaults that
apply when the camera is started. Setting changes will be
reflected only after the camera is reconnected or rebooted.
Specify the settings used in the actual operating environment
from the Admin Viewer (P. 6-12).
• If the subject is a traffic signal or electronic scoreboard, etc.,
the captured image may flicker.
In this case, try changing the [AE mode] setting to [Auto
(Shutter-priority AE)] and selecting a shutter speed lower
than 1/100 to see if the problem improves.
Note
• Auto focus may not focus properly with the following subjects.
A white wall or other
A slanting
subject lacking
subject
bright/dark contrast
A subject consisting
A subject having
of only slant lines or
no form, such as
horizontal stripes
flame or smoke
A fast moving
A dark area or
subject
night view
A subject
reflecting strong
light
A subject seen
through glass
Subjects both
near and far

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