26 Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide
1 Getting Started
To shut down the
oscilloscope
From the menu, choose File > Shut Down. This is the same as pressing the front
panel power button to power down the oscilloscope. This allows the oscilloscope
to shut down gracefully.
Select the User Interface Language
To select the user interface language:
1 From the menu, choose Help > Language....
2 In the Language dialog box, select your preferred user interface Language.
The following languages are available: English, French, German, Italian, Japanese,
Korean, Portuguese, Simplified Chinese, Spanish, Thai, and Traditional Chinese.
Connect Probes to the Oscilloscope
1 Connect the oscilloscope probe to an oscilloscope channel BNC connector.
2 Connect the probe's retractable hook tip to the point of interest on the circuit or
device under test. Be sure to connect the probe ground lead to a ground point
on the circuit.
Maximum input voltage at analog inputs
135 Vrms
50Ω input: 5 Vrms Input protection is enabled in 50 Ω mode and the 50 Ω load will
disconnect if greater than 5 Vrms is detected. However the inputs could still be
damaged, depending on the time constant of the signal. The 50 Ω input protection
only functions when the oscilloscope is powered on.
When measuring voltages over 80 V, use a 10:1 probe.
Do not float the oscilloscope chassis
Defeating the ground connection and "floating" the oscilloscope chassis will probably
result in inaccurate measurements and may also cause equipment damage. The probe
ground lead is connected to the oscilloscope chassis and the ground wire in the power
cord. If you need to measure between two live points, use a differential probe with
sufficient dynamic range.
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