Precautions:



Unpack the product, remove the digital display from the box and connect it to the electronic ruler, then plug it in to check for proper operation.



1 Check the appearance of the package after opening the package. If there is any malfunction, please contact the sales department immediately. Do not disassemble and repair it yourself.



2 This equipment uses 110V to 220V and 50Hz to 60Hz AC power. The power plug is a three-pin power plug with a grounding pin. The ground wire of the three-core power outlet must be firmly grounded.



3 users can not open the chassis maintenance, there is a high-voltage power supply in the table to avoid personal injury.



4 The outer casing is made of ABS engineering plastic and should not be used under high explosion-proof temperature environment.



5 Turn off the power when not in use, which may extend the life of the product.



6 In the thunderstorm, the power cord should be turned off or the power cord should be unplugged to avoid high-voltage lightning strikes the power grid, causing the watch's power supply voltage to rise suddenly and burn the internal power supply of the watch, causing unnecessary losses to the user.



Daily maintenance:



1 Turn off the power when cleaning every day after work.



2 Wipe the digital display or electronic scale protection cover with a dry cloth or brush.



3 Do not wash the outer casing with toluene or ethanol.



4 You can wipe the stain on the digital display cabinet or display window with a towel and water.