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3 - 6 GETTING STARTED
3.5 MODE SWITCHING BETWEEN ANALOG AND
DIGITAL OPERATING MODES
You can use the yellow ANALOG key to switch from the analog mode to the digital
mode and back at any time. The signal acquisition and display functions of both
operating modes are very similar. However, the nature of the signals you are
using may determine which operating mode you prefer to use. For more
information, refer to the following table:
SIGNAL CRITERIA ANALOG MODE DIGITAL MODE
Repetitive signals of Usable Usable
30 Hz and higher
Repetitive signals Causes display Preferred
below 30 Hz flickering
Single events Displayed for the Can capture and
duration of display for long
the event term display
Repetitive signals that are Preferred May cause alaising
amplitude modulated Use Peak detect or
Envelope mode
Repetitive signals that Preferred May cause aliasing.
are modulated in frequency Use Envelope mode.
Long serial data streams Preferred when When using delayed
Delayed sweep sweep to observe
is not used. details, Digital mode
provides better
light output.
Video signals Preferred when When using delayed
Delayed sweep sweep to observe
is not used. details, Digital mode
provides better
light output.
OTHER CRITERIA
Need to see pretrigger Not possible Up to full acquisition
information length