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3.9 Probe Attenuation Setting
Probes are of various attenuation factors which affect the vertical scale of the signal. Ensure that the
attenuation switch on the probe matches the CH probe option in the oscilloscope. Switch settings are 1X
and 10X. To set the probe attenuation to match the probe setting, push the vertical menu button (such as
the CH1 button) and select the probe option that matches the attenuation factor of the probe in use.
When the attenuation switch is set to 1X, the probe limits the bandwidth of the oscilloscope to 6MHz. To
use the full bandwidth of the oscilloscope, be sure to set the switch to 10X.
3.10 Self Calibration
The self calibration routine helps optimize the oscilloscope signal path for maximum measurement
accuracy. The routine can be run at any time but should always be run if the ambient temperature
changes by 5°C or more. For an accurate calibration, please power on the oscilloscope and wait 20
minutes before performing the Self calibration. To compensate the signal path, disconnect any probes
or cables from the front-panel input connectors.
3.11 Multifunction Control
The Multifunction Control arrows are used to move the cursors and change menu item settings.
