User's Manual

The buttons on the navigation bar from left to right are Reset connection VCI, Screenshots, Bluetooth
connection.
7.1Reset connection VCI
Open the home page of the app, click the first icon on the top right. Click OK to reset connection VCI.
Then please wait for the initialization of VCI. After that, the VCI will be successfully reset.
7.2Screenshot
When you use the M400 application, you can save a screenshot of the current interface through the
following steps:
On the main interface, click the 图 icon on the right side of the top navigation bar, the screenshot is
saved successful, and you can view it on the "Gallery" interface.
Warning tatement
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause
undesired operation.
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class
B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and
on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.