Command Groups
2-34
TDS200, TDS1000/2000, TDS1000B/2000B, TPS2000 Programmer
Table 2- 23: Status and Error commands (Cont.)
Header Description
DESE Set or query the device event status enable
*ESE Set or query the standard event status enable
*ESR? Return standard event status register; this is the usual
way to determine whether a set command executed
without error
EVENT? Return event code
EVMsg? Return event message
EVQty? Return number of events in queue
*OPC Set or query the operation complete
*PSC Set or query the power-on status clear
*SRE Set or query the service request enable
*STB? Read status byte
*WAI Wait to continue
Trigger Commands
Trigger commands control all aspects of oscilloscope triggering.
The three t ypes of triggers are edge, pulse width, and video. Edge
triggering is the default type. Edge triggering lets you acquire a
waveform when the signa l pa sses through a voltage level of your
choosing. Pulse width triggering lets you trigger on normal or
aberrant pulses. Video triggering adds the capability of triggering on
video fields and lines. Table 2--24 lists and describes Trigger
commands.
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