Agilent Technologies N1996A-503 User Reference page 219

Select Trace
Selects which trace the menu keys will affect. Press
desired trace is underlined.
Preset
State Saved
Range
Key Path
Update On/Off (View)
Off
This key lets you turn
stored trace). This does not affect whether the trace is visible or not. Use the
Show/Blank key to change its visibility.
• When a trace becomes inactive, the following things happen:
• Updates to the trace stop after the current sweep is complete.
• The trace is displayed at half intensity (a long as it stays inactive)
• Inactive traces display across the entire x axis of the instrument. Their horizontal
placement does not change even if x axis settings subsequently are changed, although
y-axis settings will affect the vertical placement of data.
• In most cases, inactive traces are static and unchanging; however, there are cases when
an inactive trace will update, specifically:
— If data is written to that trace from remote
— If trace data is loaded from mass storage
When a trace becomes active (
and the instrument prepares to begin a new sweep.
Dependencies / Couplings
Preset
State Saved
Key Path
Chapter 3
Trace 1
The number of the selected trace is saved in Instrument State
1 | 2
Trace/Detector, Select Trace
active trace updating. That is, make it an inactive trace (or a
Update On
= ), the trace is cleared, the average count is reset,
Setting the trace type (even to the type it was already in) puts the
Update = On
trace in
On Off
for Trace 1; for 2
Saved in Instrument State
Trace/Detector, Update On/Off (View)
Select Trace
until the number of the
Mode
Return Loss
Display
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