BriteMED MMS-21C, User Manual, Page: 42 / 55

MMS-21C User Manual
Page 42
Problem Solution
MMS-21C do not power on. 1. Check whether power source is connected
correctly, and fasten the connector from the
power adapter.
2. Check whether the power switch is on or not
MMS-21C has no signal. Check whether the signal cable is connected
correctly, then press the Input Source Selection
Button to choose input source. Or rotate the OSD
control knob to choose to set the input
source, then press the knob to confirm the
selection.
MMS-21C is on black screen. Press the LCD Dim/Bright Button to check
whether the LCD is dimmed.
Touchscreen is no working. Make sure if the touchscreen USB cable is
connected.
No sound. Rotate the OSD/volume control knob directly.
Image size is not suitable for display. Enter the image size adjustment menu
by
using the OSD control knob, then press the knob
to confirm the selection
I can’t find the MMS Smart OSD icon
on the computer. Before installing, make sure USB cable is
connected to a computer and the MMS-21C.
Install MMS Smart OSD firmware from USB flash
drive, then run the MMS Smart OSD setup file
automatically.