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DSO-2090 USB Manual
4
Handing Precautions
The probe g
round lead is at ground potential. Do not connect the ground
lead to an elevated voltage. Connect the ground lead of the probe to earth
ground only.
If measuring the floating potential, we will recommend the measurement by
the differential motion method using CH1 and CH2.
Do not connect or disconnect the product with the probe or test lead which
is connected to a voltage source.
Do not attempt to operate the product at the situation that a risk of
dysfunction or shock expected to happen.
Stop using the product immediately when you notice something unusual
about the smell, smoke or sound.
And then remove the USB connection form your computer.
Keep the product out of the reach of children or those who cannot be trusted
with the use.
Do not use the product with your hands wet. It can cause an electric shock.
Do not try the product for the purposes other than those stated.
Usage Location
If th
e products crevice is exposed to electric conductors (solids or liquids),
the product will short circuit and possibly create dangers of electric shock or
fire. Please keep this product away form humidity, water, or dust.
DO NOT use this product near gas as well as other flammable and/or
explosive materials.
Store the product where direct sunlight can’t reach.
DO NOT use the product where it’s dirty, other machines are operated, or
there is a high level of electromagnetic waves.
DO NOT place the product on an unstable cart, stand, or tripod. Such usage
creates the dangers of accident and/or damage to product.
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