M
M
M
X
X
X
-
-
-
3
3
3
U
U
U
B
B
B
/
/
/
M
M
M
X
X
X
-
-
-
4
4
4
U
U
U
B
B
B
/
/
/
M
M
M
X
X
X
-
-
-
7
7
7
U
U
U
B
B
B
48
Example 9:
“PLUG”
and
“INFO”
combinations.
(1) Press the
PLUG
and
INFO
keys simultaneously on the front panel. The screen will show you
the firmware version of module.
Key
LCD Display
MX-3UB
MX-4UB
MX-7UB
(2) If one of modules firmware upgrade is fail, the screen will show you
“V0.0.00”
error
information.
Key
LCD Display
MX-3UB
MX-4UB
MX-7UB