AEMC OX7102-CII, User Manual

Page: 132 / 208

Recorder Mode - The “Trigger” Menu
Recorder Mode (cont’d)
“No trigger” : if all the channels are in this mode, the device records indefinitely.
VII - 132 SCOPIX Oscilloscopes
•
“Lower than”: triggering takes
place when the signal drops
below the threshold. threshold
lower
triggering
•
“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.
threshold
higher
triggering
lower
triggering
The Pretrig is
monitored for
each type of
trigger.
threshold
higher
triggering
triggering:
the signal goes
outside the
window
thresholds
Outside trigger symbol for channel 4