ETEKCITY TENS Unit User Manual page 29

• When the operating environment is relatively dry, strong electromagnetic interference usually occurs. At
this time, this device may be affected as follows:
— The device stops output
— The device turns off
— The device restarts
The above will not affect the basic safety and essential performance of the device, and the user can use
it according to the instructions. If you want to avoid this, please use it according to the environment
requirements specified in the manual.
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