Status Indicators
Status indicators include the following:
•
Channels that are turned off; these are visible only if you select a channel
that is off by using the Select knob.
•
Sampling interval is a function of the Time/Div setting and varies from 2 ns
to 8 ms.
•
Glitch mode is indicated by “GL”, and indicates that glitch detection is
enabled. This is automatically enabled for sampling intervals greater than
8 ns. At time base speeds faster than 1
µ
s/div (sampling intervals of 4 ms
and faster) glitch mode is disabled.
•
Delay includes the time reference indicator, the offset markers, and the
delay measurement. The time reference indicator is a left arrow (
←
) if the
trigger event is at the beginning of acquisition memory, a right arrow (
→
)
if the event is at the end of acquisition memory, and a down arrow (
↓
) if it
is at the center. The offset markers and delay measurement work together
when you adjust the delay knob and Horizontal Mode is set to Main, to
indicate how far you have delayed the trigger event from the initial time
reference position.
•
Time/Div shows the time base setting. Time per division is variable from
5 ns/div to 1 s/div.
•
Trigger condition shows the current trigger mode. For edge trigger mode,
it will also show the trigger condition. If the last acquisition was initiated
by pressing the Single key, the letters “Sngl” appear in this position
(unless the last single acquisition was auto triggered).
•
Acquisition indicator shows the current acquisition condition, that is,
whether the acquisition system is running, stopped, or in autostore mode.
When the analyzer is in Normal trigger mode, the Trigger condition indicators
flash while the analyzer is searching for the trigger condition, which occurs
after the pre-trigger buffer is full. When the analyzer is in Auto trigger mode,
the word “Auto” flashes to the left of the Trigger condition indicator if the
analyzer did not find the trigger and was therefore triggered automatically
after a time-out.
The trigger condition indicators might also flash if the analyzer is stopped.
This indicates that the analyzer is finding a trigger condition and is driving
the trigger out port.
Getting Started
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