TDS5000B Online Programmer Guide
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When an event occurs, a signal is sent to the DESER (1). If that type of
event is enabled in the DESER (that is, if the bit for that event type is
set to 1), the appropriate bit in the SESR is set to one, and the event is
recorded in the Event Queue (2). If the corresponding bit in the ESER
is also enabled (3), then the ESB bit in the SBR is set to one (4).
When output is sent to the Output Queue, the MAV bit in the SBR is set
to one (5).
When a bit in the SBR is set to one and the corresponding bit in the
SRER is enabled (6), the MSS bit in the SBR is set to one and a service
request is generated (7).
Synchronization Methods
Overview
Although most GPIB commands are completed almost immediately
after being received by the instrument, some commands start a process
that requires more time. For example, once a single sequence acquisi-
tion command is executed, depending upon the applied signals and trig-
ger settings, it may be a few seconds before the acquisition is
complete. Rather than remain idle while the operation is in process, the
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