Joinwit JW3116 Manual page 3

Handheld Optical Light Source-JW3116
Safety Advice
1.When the tester use Disposable alkaline batteries, do not charge it. Ensure the correct
polarity installation,when replace the battery.
2．
When the products are not in use, please remove the batteries and kept separate to avoid
instrument damage caused by battery leakage. If leakage occurred, Please do not touch.
3.
To prevent electric shock, do not open the product case, only the authorized qualified
professionals can do the maintenance; Do not expose the testers to rain or wet conditions, to
avoid the risk of fire or electric shock
4.
Instruments used LCD screen. Do not fall the instrument. If the LCD are seriously hit, it may
cause fluid leakage. And please do not touch.
Shanghai Joinwit Optoelectronic Co.,Ltd.