SDA Operator’s Manual
5. Touch inside the Level data entry field for each input included in the pattern and enter a
voltage level threshold using the pop-up numeric keypad.
6. Touch the Trigger tab.
7. If you want to hold off the trigger (either in time or events) when the pattern becomes true,
touch one of the holdoff buttons:
8. Touch inside the holdoff data entry field and enter a value using the pop-up numeric keypad.
Serial Trigger
Serial Trigger is only available on SDA “A” model scopes.
Aux Input Trigger
Some instrument models give you the capability to trigger on an auxiliary input. When you select
this option, the auxiliary trigger setup is routed to channel 3, and an information icon appears in
the Channel 3 descriptor label.
CAUTION
If you select Aux Input trigger on a WavePro 7000 Series scope, but do not input an
external signal, the scope will not operate.
Aux Input Setup
1. Touch Trigger in the menu bar, then Trigger Setup... in the drop-down menu.
2. Touch inside the View AUX IN on Channel 3 check-box
. The Coupling
field is then disabled.
3. Press the Channel 3 front panel button to turn on Channel 3 and display the setup dialog.
4. Perform vertical setups for your auxiliary input in the Channel 3 dialog.
SDA-OM-E Rev H 95
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