Canon VB-H41 User Manual

22
 Enabling the Sound Function to Use Audio
In Windows Server 2008, the sound function is disabled
by default.
To receive audio with the Viewer, follow the steps below to
enable the sound function.
Note
If [Control Panel] is in the classic view, double-click [Sound].
Notes on Use with Windows Vista/
Windows 7
The following restrictions apply when the camera is used
with Windows Vista or Windows 7.
 RM-Lite
For important information on the RM-Lite operating
environment, see the “Administrator Manual”.
Important
Note that when IE Enhanced Security Configuration is turned
back on, the [Do not save encrypted pages to disk] checkbox
also becomes enabled.
1
Open [Control Panel] and click [Hardware].
2
Click [Sound].
3
When the [Audio Service Not Running] message
appears, click [Yes].
4
The [Sound] dialog box appears.
Click the [Playback] tab to confirm that an audio device
has been installed. (If no audio device is installed, refer
to your PC manual.)

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