BenQ Portable Entertainment Series User Manual page 114

Problem
The projector cannot play files in storage
devices via USB-A ports.
Screen brightness is changed.
No input source.
Cause
The storage device is not connected to the
projector properly.
The projector does not support the file
formats.
The adapter is removed.
The adapter is not removed but the Light
Mode is switched to Battery Mode.
The video source is not turned on or
connected correctly.
The projector is not correctly connected to
the input source device.
The video or audio file format is not
supported by the projector.
114
Remedy
The projector has one USB-C™ port. and no USB-A
port. Use a certified USB-A to USB-C™ adapter to
connect the projector to devices with USB-A ports.
See Media Player on page 67 for more details.
See Supported file formats on page 124
information about file formats supported by the
projector.
The lamp brightness is decreased in Battery Mode
to support 3 hours of projection. If a brighter screen is
preferred, connect the power adapter to the projector
or change the Light Mode to any mode other than
Battery Mode.
Turn the video source on and check that the signal
cable is connected correctly.
Check the connection.
If input source is the USB-C™ port, make sure the
source device supports DisplayPort and is connected
to the projector with a USB-C™ Gen 3.1 cable.
Make sure the supported file format as described in
Supported file formats on page 124
contact the customer service for assistance.
for more
is being played, or