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DET Detection Mode
DET
Detection Mode
Selects the spectrum analyzer detection mode.
Syntax
XDET
Equivalent
Softkey:
DETECTOR
PK SP NG or
DETECTOR
SMP
PK.
Preset State: DET POS.
Related Commands: DEMOD, MEANTH, TV.
Example
10
OUTPUT
718;"IP;"
20
OUTPUT
718;"SNGLS;"
30 OUTPUT 718;"DET
POS;TS;"
40 OUTPUT
718;"VIEW
TRA;"
50 OUTPUT
718;"DET
SMP;"
60 OUTPUT
718;"CLRW
TRB;TS;"
70 OUTPUT
718;"VIEW
TRB;"
80 OUTPUT
718;"AVG
TRA,TRB,2;"
90 OUTPUT
718;"BLANK
TRB;"
100
END
Description
Initializes the spectrum
analy.zer
Activates single-sweep mode.
Activates the positive-peak detection of trace A.
Stores results in trace A.
Activates sample detection for trace
I3
Measures with trace
B
Stores results in trace
B
Averages trace A and B with a ratio of
2,
and stores
the results in trace A.
Blanks trace
rj
leaving
on1
y averaged results on screen.
The DET command selects the type of spectrum analyzer detection (positive-peak, sample, or
negative) and accesses service-diagnostic detection functions.
POS
enables positive-peak detection, which displays the maximum video signal detected
over a number of instantaneous samples for a particular frequency.
SMP
enables sample detection, which uses the instantaneous video signal value. Video
averaging and noise-level markers, when activated, activate sample detection
automatically.
NEG
enables negative peak detection in sweep times of less than or equal to 200 ms. The
negative peak detector is available with Option 101 or Option 301 only.
Programming Commands 5-128