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II. Product introduction
Remarks:
1. Press and hold LED light main power button for 3 seconds, display
screen will reset and restart;
2. When the AC output is off, press and hold the main power AC button
for 3 seconds to switch the frequency between 50 and 60HZ;
3. Long press the AC button to turn on or off the buzzer;
4. After the main power button is turned on, if other functions are not operated for
three minutes, it will enter the sleep mode;
5. Press and hold the LED button for 10 seconds, and the display screen will not
go out automatically;
6. Press and hold the AC LED button for 3 seconds to view the system
version;
Input
over-
current
protecto
r
AC input
charging
socket