Yealink VC400 Administrator's Manual

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Configuring System Settings157 Always On: Backlight is turned on permanently. 15 s, 30 s, 1 Min, 2 Min, 5 Min, 10 Min, 30 Min: Backlight is turned off when the phone isinactive after a preset period of time. It is automatically turned on if the status of the phonechanges or any key is pressed.The backlight parameter on video conferencing phone is described below:Parameter Description Configuration MethodBacklight TimeConfigure the backlight time of thevideo conferencing phone.Default: Always OnWeb User InterfaceTo configure the backlight time of the video conferencing phone via web user interface:1. Click on Setting->General.2. Select the desired value from the pull-down list of Backlight Time.3. Click Confirm to accept the change.LanguageThe default language of the LCD screen of the display device and the video conferencing phoneis English, and you can change it via the remote control. The video conferencing phone willdetect and use the same language as the display device.The default language of the web user interface is English. You can change the web user interfacelanguage for web user interface.The available languages for system are English, Chinese Simplified, Chinese Traditional, French,German, Italian, Polish, Portuguese, Spanish, Turkish, Russian and Czech.