Sealey TA4000 Manual page 47

Probe Attenuation Setting
Select the attenuation factor for the probe. To check the probe attenuation setting, set
the probe menu to match the attenuation factor of the probe.
This setting remains in effect until it is changed again.
Click "Probe" in Vertical Setup window to select the probe attenuation
The probe setting window in the sidebar
Note: The attenuation factor changes the vertical scale of the oscilloscope so that the
measurement results reflect the actual voltage levels at the probe tip.
Invert
The invert function turns the displayed waveform through 180 degrees. When the oscilloscope
is triggered on the inverted signal, the trigger is also inverted.
Click "Invert" in Vertical window
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TA4000 Issue: 1 - 06/09/11