9- 14 Keysight N9912-90001 User’s Guide
Interference Analyzer (SA Mode) – Option 236
Spectrogram and Waterfall Displays
9-
— Data can be recorded at the Raw Meas block where data is acquired after
ResBW, VideoBW, and Detector processing, but before any trace state
processing.
— Data can be recorded from Traces 1,2,3, or 4 which includes the trace state
(Max Hold, Min Hold, and so forth).
— Recording from a Clear/Write trace yields exactly the same data as
recording from the Raw Meas block.
— Data is ALWAYS played back at the same location in the data flow: just after
the Raw Meas block, through all currently active Traces, and onto the
display.
— See an example using Record Playback with Max Hold traces in “Record
Playback Example” on page 9-15.
Playback Configuration
By default, trace sweeps are played back as fast as the trace can be drawn on
the screen. The following setting allows you to slow playback. In addition, you
can manually scroll through individual traces using Playback Trace, or scroll
through State and User Tags using Playback State/Tag. Learn more in “How to
Playback a Session” on page 9-10.
To slow playback of a session:
— Record a new session or Open an existing session.
—Press Playback Configuration
and choose one of the following:
— Playback Interval
——Enter a value in seconds between 0 (no delay) and 100 using
the numeric keypad, arrows, or the rotary knob. After
using the keypad, select a multiplier key. Learn more in
“Multiplier Abbreviations” on page 2-14.
——Press Enter.
Manage Sessions
—Press Trace 6.
—Then Record Playback Setup
.
The following selections are available ONLY when a session is NOT open.
—Then Storage Device
to select the media which stores the sessions to be
managed. This is a different setting from the Save/Recall Storage Device
setting.
— Then choose from the following:
— Internal
FieldFox memory (default).
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