Yealink SIP VP-T49G User Manual page 181

The EXT Display icon
If you connect the external monitor, but disable the EXT Display, the external monitor will not
Note
display the content on the phone but a Yealink logo.
To configure the output resolution of external monitor via web user interface:
Click on Settings->Video.
1.
Select the desired value from the pull-down list of Display.
2.
If there is no external monitor connected, the pull-down list will only display No devices.
will display on the status bar of the touch screen.
Basic Phone Features
181