Manualshelf

User Manual

ManualsBrandsGearwoo ManualsSoldering & Brazing Equipment4-Digital DIY Clock Kits, LED Talking Clock with Speaker, PCB for Soldering Practice Learning Electronics +Transparent Case+ English Instructions, CR1220/CR1216 Batteries are NOT Included
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2020/12/17 Voice clock installation tutorial
www.diyleyuan.com/JC/HJ10-0-1.html 7/17
power supply directly.
Power on, you need to reset it to work normally. The reset method is to press and hold 3 buttons at
the same time for more than 5 seconds, and then it will display 12.00.
Regarding the failure to reset, or the display of garbled characters, it is necessary to check the
welding.
99% of all failures are caused by welding. Please don't say mine is de
fi
nitely not caused by welding.
This is a common problem we encounter after dealing with after-sales.
Resistor capacitor transistors, these components are working in a low voltage and low current state,
and it is di
ffi
cult to break.