Yealink VC400 User Manual

User Guide for the VC400 Video Conferencing System
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Reflected light from pale walls often produces excellent results.
Avoid the following situations:
 Direct sunlight on the display device, the background, or the camera lens which creates
harsh contrasts.
 Colored lighting.
Why can’t I adjust the camera angle and focus?
 You can adjust the camera when the system is idle or during a call. The camera cannot be
adjusted when the system is in the menu screen.
 Ensure that the batteries in the remote control are in good working condition, and installed
correctly.
 Aim the remote control at the sensor when you perform a task.
 Ensure that no objects are obstructing the sensor on the front of the camera.
 Ensure that the LED on the front of the camera flashes green when you use the remote
control to perform a task.
 Ensure that what you are controlling is the local camera.
 Reboot the system.
 If the above suggestions cannot solve your problem, perhaps the remote control is broken.
You can contact your system administrator for help.
Why is the video quality bad?
 Ensure that the display device has suitable resolution.
 Check whether the packet has been lost. For more information on packet loss, refer to Call
Statistics on page 105.
 Contact your administrator to adjust the camera brightness and white balance.
Display Issues
Why is there no video on the display device?
 Ensure that the display device is turned on.
 Ensure that the display device is properly connected to VC400codec.
 Ensure that the VC400 codec is turned on.
 Ensure that you have selected the correct video input source.
Why can’t the display device start a presentation?
 Ensure that the PC is properly connected to the VC400 codec.

Yealink VC400 Specifications

General

Optical zoom	18 x
White balance	Auto, Indoor, Outdoor
Focus adjustment	Auto
Video codecs	H.264, H.264, H.263
Supported video modes	1080p
Supported graphics resolutions	352 x 288, 704 x 576, 1280 x 720 (HD 720), 1920 x 1080 (HD 1080)
Voice codecs	G.711, G.711a, G.722
Line-in	Yes
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
ITU-supported standards	H.323
Ethernet LAN data rates	10, 100, 1000 Mbit/s
AC input voltage	100-240 V
Power consumption (max)	30 W

Weight and Dimensions

Depth	183 mm
Width	330 mm
Height	40 mm