Yealink VC400 Administrator's Guide

Administrator’s Guide for Yealink Video Conferencing Systems
292
2. Select the desired level from the pull-down list of Network Address Adapter.
3. Click Confirm to accept the change.
System Maintenance
How to prevent monitor burn-in?
Refer to your monitor’s documentation for specific recommendations and instructions. The
following guidelines help prevent image burn-in:
 Ensure that static images are not displayed for long periods.
 Be aware that meetings that last more than an hour without much movement can have the
same effect as a static image.
 Configure the automatic sleep time to be 1 hours or less.
 Consider decreasing the monitor’s sharpness, brightness, and contrast settings if they are
set to their maximum values.
How to reboot the system?
When you do one of the following, the system will reboot:
 Reboot system
 Reset system
 Upgrade firmware

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