![background image](http://html1.mh-extra.com/html/benq/lh890ustd/lh890ustd_user-manual_2734590022.webp)
Connection
22
provided), is mixed into a common mono audio output through the projector
speaker(s).
The built-in speaker(s) will be muted when the
AUDIO OUT
jack is connected.
If the selected video image is not displayed after the projector is turned on and the
correct video source has been selected, check that the Video source device is turned
on and operating correctly. Also check that the signal cables have been connected
correctly.
Connecting smart device
The projector can project the content directly from a smart device by using a wireless
dongle.
HDMI wireless dongle (e.g. BenQ QCastMirror, QCast)
•
Connect the dongle to HDMI and USB TYPE-A ports on the projector and
switch the input signal to HDMI-1.
•
Connect the dongle to HDMI2/MHL port on the projector and switch the input
signal to HDMI-2/MHL.