3-6
Front/Rear Panel
Analyzer Display
2. Stimulus Stop Value. This value could be any one of the following:
• The stop frequency of the source in frequency domain measurements.
• The stop time in time domain measurements or CW sweeps.
• The upper limit of a power sweep.
When the stimulus is in center/span mode, the span is shown in this space.
The stimulus values can be blanked, as described under the
softkey in Chapter5 ,“Hardkey/Softkey
Reference.”
(For CW time and power sweep measurements, the CW frequency is
displayed centered between the start and stop times or power values.)
3. Status Notations. This area shows the current status of various
functions for the active channel.
The following notations are used:
Avg Sweep-to-sweep averaging is on. The averaging count is
shown immediately below. (See the key in
Chapter5 ,“Hardkey/Softkey Reference.”)
Cor Error correction is on. (For error-correction procedures,
refer to the “Calibrating for Increased Measurement
Accuracy” chapter in the user’s guide. For error correction
theory, refer to the “Operating Concepts” chapter of the
user’s guide.
C∆ Stimulus parameters have changed from the
error-corrected state, or interpolated error correction is on.
(For error-correction procedures, refer to the “Calibrating
for Increased Measurement Accuracy” chapter in the
user’s guide. For error correction theory, refer to the
“Operating Concepts” chapter of the user’s guide.
C2 (ES) Full two-port error-correction is on and the reverse sweep
is not updated each sweep
Any one of the following causes the reverse sweep not to be
updated each sweep:
• the instrument uses a mechanical switch, for example
Options 85 and 007.
• different channel power ranges (PORT POWER
UNCOUPLED) which puts the test set switch in HOLD
mode except Option 400 (dual step attenuators).
• the user manually puts the test set switch in HOLD
mode (TESTSET SW 0 or >1).
Del Electrical delay has been added or subtracted, or port
extensions are active. (See the “Operating Concepts”
chapter of the user’s guide and the key in
Chapter5 ,“Hardkey/Softkey Reference.”)
Avg
Scale Ref
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