Administrator‘s Guide for Yealink Video Conferencing Systems84To specify the language for the web user interface via the web user interface:1. Click Language at the top of the web page.2. Select the desired language from the pull-down list of Language.To specify the language for the display device via the remote control:1. Select Menu->Basic.2. Select the desired language from the pull-down list of Language.3. Press the Save soft key to accept the change.Time and date are displayed on the idle screen of the display device and the VCP40phone. Time and date are synced automatically from the NTP server by default. Thedefault NTP server is cn.pool.ntp.org. The NTP server can be configured manually orobtained by DHCP via DHCP Option 42. If the system cannot obtain the time and datefrom the NTP server, you need to manually configure them. The time and date can useone of several different formats.Time ZoneA time zone is a region on Earth that has a uniform standard time. It is convenient forareas in close commercial or other communication to keep the same time. Whenconfiguring the system to obtain the time and date from the NTP server, you must set thetime zone.Daylight Saving TimeDaylight Saving Time (DST) is the practice of temporary advancing clocks during the