GW Instek GDS-2000A series User Manual - Manual (Page 105)

CONFIGURATION
105
Digital Filter
Background The digital filter function can remove unwanted
components, such as noise, from the desired
signal.
The filtering only functions during continuous
acquisition using either the Sample or Peak detect
mode.
The cut-off frequency range and step resolution of
the digital filter is expressed as a fraction of the
underlying sample rate, as shown below.
Range
Resolution 1% ~ 49% of sample rate, Off
1% of sample rate
Panel Operation 1. Press the Acquire key.
Acquire
2. Press Mode on the bottom menu.
3. Set the acquisition mode to Sample
or Peak Detect.
4. Press Digital Filter and set the
digital frequency using the
Variable knob.
Turn the Variable knob fully
anticlockwise to turn the digital
filter off.