Giga-tronics 8003, Руководство по эксплуатации

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8003 Precision Scalar Analyzer
3-14 Manual 20791, Rev. C, June 2001
3.3.8 Cursor Definition Command Structure
CURSOR, CUR
Syntax: CUR hs Channel Specifier [ us modifier]..[ us modifier]
Example: CUR 4;on;sch? max
Related Command:
SWP
Specifiers: Channel specifiers: 1, 2, 3, and 4
Modifiers: This modifier turns on a cursor for the specified channel making the SWEPT measure-
ment.
Modifier name: ON,+
Modifier Syntax: ON
This modifier turns off a cursor for the specified channel making the SWEPT measure-
ment.
Modifier name: OFF,-
Modifier Syntax: OFF
This modifier sets up a search condition for the cursor on the specified channel. The
addition of the question mark affixed to the end of the SEARCH modifier is a query flag. If
the query flag is set, the measurement will be made and the next time that the 8003 is
addressed to talk it will output the value of the cursor as defined by the search request.
The format of the returned data is described for each type of search request below.
Modifier name: SEARCH, SEARCH?, SCH, SCH?
Modifier Syntax: SCH[?] us SEARCH MOD
SEARCH MOD: MAX
FULL Modifier Syntax: SCH[?] us MAX
query value returned: freq, data EOL
freq: freq = D.ddd Where D is zero to 6 digits. The value
represents the frequency of the maximum power point in
the trace in units of MHZ.
data: data =
±
d where D is zero to three digits to the right of
the decimal point and three digits to the left. The
assumed units are dBm or dB depending upon the
measurement mode.