Acquisition modes: Single Event, Refresh, Average, Envelope, Roll, Peak-Detect
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RS-232 Interface Advantages of Analog over Digital:
Analog scopes display signals in real time.
Analog scopes can catch "rare events" that DSOs can miss due to their sampling rate limitations.
Analog scope are not limited in vertical resolution by 8 or 12 bit A/D converters that can lose signal details during the digitizing process.
Analog copes have a frequency response which closely follows the Gaussian curve, this means in practice that frequencies far beyond the -3dB frequency will be shown. The amplitude will be reduced but they will be shown.
Advantages of the added digital operation:
Capture and storage of single events for event analysis
There will be no screen flicker with very low frequency signals.
Fast signals with a low repetition rate response and low duty cycle can be displayed with high intensity