Canon VB-H41 User Manual

136
 Adjusting the Preview Frame Size
Drag the preview frame line to make the frame smaller,
and a magnified view of the image in the frame will be
shown in the image display area.
The preview frame turns blue when you drag it.
Note
• The aspect ratio of the preview frame is always 16:9.
• The Viewer PTZ uses digital zoom, so the higher the digital
zoom ratio, the lower the quality of the image becomes.
 Moving the Preview Frame
You can move the preview frame to the desired position.
Move by dragging
Click within the preview frame and drag it over the subject
that you want to see magnified.
The preview frame turns blue when you drag it.
Move by clicking
Click a position outside of the preview frame and the
preview frame will move to that position. Click the subject
that you want to see magnified.
Move using sliders
When you have obtained control privileges, you can pan,
tilt and zoom the displayed video using sliders.
Note
After changing the preview frame, the image display area will
continue to display the cropped video corresponding to the
preview frame even after the Viewer PTZ panel is closed.
However, when you reconnect to Admin Viewer, the initial status
will be restored.
 Exiting Viewer PTZ
Click the [Viewer PTZ] button again. The Viewer PTZ
panel closes and Viewer PTZ is exited.
Although clicking the close button of the Viewer PTZ panel
closes the PTZ panel, the Viewer PTZ will stay on.
 Differences Between Viewer PTZ and Digital
PTZ
Viewer PTZ and Digital PTZ are both simple pan, tilt, and
zoom functions that use the digital zoom function, but they
have the following differences because they employ
different operating principles.
Using Control for Admin
When you have obtained control privileges, click the
[Control for Admin] button to display the Control for Admin
Panel and perform camera operation and video settings.
Viewer PTZ Digital PTZ
Enlarges the specified part of
the image transmitted from
the camera and then displays
it in the viewer.
Transmits only the trimmed
part of the entire area that can
be captured by the camera.
The size of the received data
is large.
The size of the received data
is small.
Can be used only in Admin
Viewer.
Can be used in both Admin
Viewer and VB Viewer.
Not necessary to obtain the
camera control privileges.
Necessary to obtain the
camera control privileges.
PTZ operation can be
performed independently for
each viewer.
Independent operation cannot
be performed for each viewer
(if multiple viewers are
connected and Digital PTZ is
used for one of them, the
same Digital PTZ display is
also applied in the other
viewers).

Canon VB-H41 Specifications

Image Sensor

sensor type	1/3 inch CMOS
number of pixels	Approx. 2.1 million pixels
scanning system	Progressive

Optics

zoom magnification and control	20x powered zoom lens with auto focus (12x digital zoom, total 240x zoom)
focal length	4.7mm (wide) – 94mm (telephoto)
horizontal field of view	60.4° (wide) – 3.2° (telephoto)
lens F-number	F1.6 – F3.5
minimum subject illumination (day mode)	0.4 lux (Colour, F1.6 at 1/30 sec, SSC off, 50IRE)
minimum subject illumination (night mode)	0.02 lux (Mono, F1.6 at 1/30 sec, SSC off, 50IRE)
focus control	Auto / One-shot AF / Manual / Fixed at infinity
focusing region (day mode)	0.3 m – infinity (wide) / 1.0 m – infinity (telephoto)
focusing region (night mode)	1.0 m – infinity (wide) / 1.5 m – infinity (telephoto)
shutter speed	1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/100, 1/120, 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/8000 and 1/16000sec

Video and Audio

video compression method	H.264, JPEG
video output size (JPEG)	1920 x 1080, 960 x 540, 480 x 270, 320 x 240
video output size (H.264)	1920 x 1080, 960 x 540, 480 x 270
frame rate (JPEG)	30 – 0.1 fps
frame rate (H.264)	30/15/10/6/5/3/2/1 fps
audio communication	Full-duplex
audio compression method	G.711 μ-law (64 kbps)

Power

power sources	Power over Ethernet (48V DC, Conforms to IEEE 802.3af), 100V – 240V AC, 50/60Hz (via optional AC Adaptor PA-V17), 12V DC or 24V AC (via supplied two-pin connector)
power consumption (PoE)	Max. approx. 9.0 W
power consumption (AC adapter PA-V17)	Max. approx. 10.6 W
power consumption (DC Input)	Max. approx 8.6 W
power consumption (AC Input)	Max. approx. 8.8 W

Operating Environment

operating temperature	-10°C to 50°C
operating humidity	5% – 85% RH (without condensation)

Dimensions and Weight

dimensions (W x H x D)	132mm x 155mm x 132mm
weight	Approx. 1140 g