Tektronix TDS5000B Series

TDS5000B Online Programmer Guide
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EVQty?
Description
This query--only command returns the number of event codes that are in
the Event Queue. This is useful when using the ALLEv? query, since it
lets you know exactly how may events will be returned.
Group
Status and Error
Related Commands
ALLEv?, EVENT?, EVMsg?
Syntax
EVQty?
Example
EVQty?
This query might return
:EVQTY 3, indicating the number of event
codes in the Event Queue.