90
By connecting the camera and the computer using a USB cable sold on the market, it can be used as a USB camera. Using
a computer with a web conference tool installed, it is possible to hold a web conference with high quality video.
In order to use as a USB camera, follow the procedure below for the settings.
The frame frequency has to be set at 59.94 Hz or 50.00 Hz (P. 78).
For details, refer to the "Installation Guide/Important Information".
Note
• When switched to USB camera, access to the Settings Page, IP streaming of video and operations from controllers except for IR remote
controller will be disabled.
• Audio output from the microphone connected to the camera is not possible.
• The video size is either 1920x1080, 1280x720, or 640x360, depending on the web conference tool.
Image Adjustment/Camera Control Functions
As a USB camera, image adjustment and camera control functions that can be controlled are as follows.
The items that can be controlled differ depending on the web conference tool.
*1 Limited to the optical zoom range
*2 Aperture value multiplied by 1000 (i.e.: 2800 means F2.8)
*3 When the image is reversed
Note
Among the control items defined by UVC (USB Video Class), following functions are not supported.
– Contrast, Hue, Saturation, Sharpness, Gamma, Color Enable, Power Line Frequency (Anti Flicker), Focus, Roll, and Low Light
Compensation
USB Camera Functions (CR-N300)
1
With the camera connected to the network, make necessary settings from the
S
ettings page.
2
Turn off the camera once, then switch the
S
ERVICE switch setting of the camera to U
S
B camera.
3
Connect the camera and the computer with a U
S
B cable. Then turn on the camera again.
Control Item
Minimum
Maximum
Default
Increments
Auto/Manual
Brightness
-8
+8
0
1
Manual
White Balance
2000
15000
5600
100
Auto/Manual
Backlight Compensation
0
1
0
1
Manual
Gain
0
36
20
1
Manual
Zoom*
1
0
2808
0
1
Manual
Exposure
-11
-3
-6
1
Auto/Manual
Aperture (Iris)*
2
1800
22000
1800
10
Auto/Manual
Pan
-170
+170
0
1
Manual
Tilt
-30
(-100) *
3
+100
(+30) *
3
0
1
Manual