LeCroy PXA125, Руководство пользователя

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User Manual PXA125
ArbConnection 3-63
looping 500 times; segment 3 looping 25 times and segment 4, which
will loop 20 times. Also notice that mixed mode advance flag has
been assigned to segment 4. This flag will cause the sequence to
stop on segment 4 until the PXA125 will be triggered for the next
sequence cycle.
There are control buttons on the right of the sequence table. Use the
Append key to add a step at the end of the sequence list. Use the
Insert key to insert a step at the cursor location. The Delete key is
used for deleting a step at the cursor position.
The Clear All key will remove all steps from the table and will let you
start designing your sequence table from scratch.
Click on the Close to discard of the contents of the dialog box without
saving your last actions and to remove the sequence Table from the
screen but click on the
Store key if you want just to save your work
before you close the dialog box.
The Download key has double action, it will download the sequence
table to the instrument and will save the contents of your table so the
next time you open this table, it will have the same contents as you
saved in your previous session.
The Trigger Panel
The Trigger panel, as shown in Figure 3-8, is invoked either by
pressing the TRIG button on the Panels bar, or clicking on one of the
Triggered, Gated, or Burst buttons on the Main Panel. Note that if you
invoke the Trigger Panel from the Panels menu, the PXA125 will not
change its operating mode. On the other hand, if you select the
Trigger option from the Main Panel, besides invoking the Trigger
Panel, the PXA125 will immediately change its operating mode to
triggered. The functional groups in the Trigger Panel are described
below.
Trigger Parameters The Trigger Parameters group contains two parameters for each
channel: Phase and Count. To access the required parameter, click
on the button below the Channel 1 or Channel 2 group until the LED
next to the required parameter turns on. The value that is associated
with the lit LED is displayed on the digital display. You can use the
dial, keyboard, or the [
↑
] [
↓
] keys to adjust the readout to the required
setting. After you modify the reading, press Execute to update the
PXA125 with the new reading.
Note
Normal color of the digital reading is dark blue. If
you modify the reading, the color changes to a
lighter shade of blue, indicating that the PXA125