Tektronix CSA7154, Руководство пользователя

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Triggering
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
3- 105
Overview Control elements and resources Trigger based on pulse timeout (Cont.)
Set the timer 5. To set the timeout timer, touch Timer and use the
multipurpose knob or keyboard to set the time.
Set the level 6. To set the Level, touch Level and use the multipurpose
knobs or keypad to set the timeout trigger level.
Note
. You can set the level to a value appropriate to
either TTL or ECL logic families. To do so, touch Level,
and select the keypad; touch either TTL or ECL.
To set mode
and holdoff
7. Mode and holdoff can be set for all standard trigger
types.
See To set holdoff on page 3--84 and To select the
trigger mode on page 3--81 for mode and holdoff
setup. To learn more about trigger mode and
holdoff, see Trigger Modes on page 3--74 and
Trigger Holdoff on page 3--75.
When you select the type Pattern, the instrument will trigger when the inputs to
the logic function that you select cause the function to become TRUE (or at your
option FALSE). To setup pattern trigger, do the following procedures.
Overview Trigger on a pattern Control elements and resources
Prerequisites 1. The instrument must be installed and operating. The
acquisition system should be set to Run, and the vertical
and horizontal controls should be set appropriately for
the signal to be acquired.
See page 3--26 for acquisition setup
Trigger on a Pattern