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High Res applies unique finite impulse response (FIR) filters based on the current sample rate. This FIR filter
maintains the maximum bandwidth possible for that sample rate while rejecting aliasing. The filter removes noise from
the oscilloscope amplifiers and ADC above the usable bandwidth for the selected sample rate. Implementation of the
filter in hardware, ahead of the trigger and storage, reduces trigger jitter and enables using Fast Acq mode while in
High Res mode.
High Res mode also guarantees at least 12 bits of vertical resolution. The number of bits of resolution is displayed in
the Acquisition badge at the bottom of the screen. The Horizontal badge also updates to show the sample rate and
record length settings while in High Res mode.
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Clear deletes the current acquisitions and measurement values from memory.
2. Multipurpose knobs:
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Multipurpose knobs (A, B) The Multipurpose knobs A and B move cursors and set parameter values in configuration
menu input fields. Selecting an menu field that can use a Multipurpose knob assigns the indicated knob to change the
value in that input field. The ring around each knob lights when you can use that knob to do an action.
Push a Multipurpose knob to enable the Fine mode for making smaller increment changes. Push the knob again to exit
Fine mode.
Getting acquainted with your instrument
MSO54, MSO56, MSO58, MSO58LP, MSO64 Help 37
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