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7. Grounding terminal:
The safety ground
terminal is connected with power supply shell;
8. Output negative electrode:
power output
negative (-) electrode;
9."B Lock" return / keyboard lock:
under
normal mode, short press to return to the main
power interface; Long press 2S to lock keyboard,
the operation of all function buttons of panel
(excluding ON/OFF key) is invalid, at this time
"B Lock" lamp is always bright.
10. "List" mode key:
Long press 2S to enter or
exit hardware List function mode
，
and "List"
button light is always light under hardware List
function mode; After entering the List function
mode, the output turns off. When List function
mode is in turn off output state, short press the
shortcut key in the six sets of of "M1" to "M6"
can select or delete the group shortcut parameter
whether to execute loop output or not
