Owon VDS6104P User Manual page 7

To avoid possible human body injury, and / or device damage, and / or its accessory or communicating
facility damage, before working the device, Lilliput strongly recommend to read the following safety
information,
Warning
To avoid any potential short circuit or electric shock, DO use the power adapter of original local standard,
or recommended by Lilliput.
Warning
The channels of the device is non-isolated electrically. When working the device, to avoid possible short
circuit, the ground of two probes are NOT allowed to connect to 2 different non-isolated DC level.
The illustration of the device's built-in ground wire connection -
When the device communicating with PC via USB communication interface (with PC powered by AC
power source), the illustration of the ground wire connection -
It is NOT allowed to measure AC power when the device been powered by AC power source through the
adapter, or when the device powered by PC through USB connection cable (via USB communication
interface of PC, with PC powered by AC power source).
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