Huawei Bar 500 Operation Manual page 49

Enable the Dual-Screen Mode
1
Tap More.
2
1. Tap Advanced Settings and then tap Input/Output.
2. Set Dual-Screen Mode to Enabled and save the
settings.
About Enabling the
Dual-Screen Mode
Before enabling the dual-
screen mode, ensure that the
endpoint has been connected
to two screens through
cables.
After you enable the dual-
screen mode, the video and
presentation are displayed on
the two screens respectively.
You can choose to switch or
clone screen content.