AEMC OX 7102 III, User Manual

Page: 141 / 226

Recorder Mode - The “Trigger” Menu
SCOPIX VII - 141
Recorder Mode (cont’d)
“No trigger”
: if all the channels are in this mode, the device records indefinitely.
•
“Lower than”:
triggering takes
place when the signal drops
below the threshold.
•
“Lower/higher than”:
triggering
takes place when the signal
drops below or rises above the
threshold.
•
“Higher than”:
triggering takes
place when the signal rises
above the threshold.
•
“Outside window”:
triggering
takes place when the signal goes
outside the window defined by
the two thresholds.
A half-division hysteresis is applied to prevent ill-timed triggers.
Example
- Channel 1 is set with a 1.25V “higher than” trigger.
- Channels 2 and 3 do not wait for a trigger.
- Channel 4 is set with an “outside” type trigger.
- Channel 1 and 4 lines are highlighted: they wait for a trigger.
Toggle through the trigger conditions for the different channels using the key
shown opposite.
Save to file/Restart
If this option is activated, all the traces acquired are saved to a .REC file as
soon as the acquisition memory is full, then acquisition is restarted.
Delayed triggering
Delayed triggering offers the possibility of starting up an acquisition at a date
and time chosen by the user.
This option can be related to the previous trigger conditions.
Outside trigger symbol for channel 4
The Pretrig is
monitored for
each type of
trigger.
lower
triggering
threshold
higher
triggering
threshold
triggering:
the signal goes
outside the
window
thresholds
lower
triggering
higher
triggering
threshold
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