Status and Events
TDS200/1000/2000 Series Oscilloscope Programmer Manual
3−17
Wait for read from Output Queue.
/* Take peak−to−peak measurement on acquired data */
MEASUREMENT:IMMED:VALUE?
Using *OPC? synchronization is the simplest approach. It requires
no status handling or loops. However, you must set the controller
time out for longer than the acquisition operation.
Messages
Tables 3-3 through 3-9 list all the programming interface messages
the oscilloscope generates in response to commands and queries.
Each message is the result of an event. Each type of event sets a
specific bit in the SESR and is controlled by the equivalent bit in
the DESER. Thus, each message is associated with a specific SESR
bit. In the message tables that follow, the associated SESR bit is
specified in the table title, with exceptions noted with the error
message text.
Table 3-3 shows the messages when the system has no events or
status to report. These have no associated SESR bit.
Table 3−3: No event messages
Code Message
0 No events to report : queue empty
1 No events to report : new events pending *ESR?
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