IEEE-488 Reference
3-90
'PRINT #1, "output 16; :rout:scan:rat:mch (@ 2); mch?" ' Select and query
reference channel
PRINT #1, "enter 16" ' Get response mes-
sage from 2002
:LSELect <name>
:ROUTe:SCAN:LSELect <name> Perform specified scan operation
<name> = INTernal Enable scan for internal scanner card
EXTernal Enable scan for external scanner card
RATio Perform ratio calculation
DELTa Perform delta calculation
NONE Disable all scan operations
:LSELect? Query scan operation
This command is used to select and perform the desired scan operation. When INTernal is se-
lected, the Model 2002 scans the channels of the internal switching card according to how the
scan is configured (see :ROUTe:SCAN[:INTernal]). EXTernal is used to measure channels that
are controlled by an external switch system. When EXTernal is selected, the Model 2002 scans
the external scan list (see :SCAN:EXTernal).
With RATio or DELTa selected, the Model 2002 performs the appropriate math calculation us-
ing the specified reference channel and measure channel (see :RCHannel and :MCHannel).
The NONE selection disables all operations associated with a scan.
PRINT #1, "output 16; :syst:pres" ' Return 2002 to defaults
PRINT #1, "output 16; :rout:scan:lse1 int" ' Scan internal channels
Program fragment
Parameters
Query
Description
Program fragment
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