322 Keysight N9927-90001 User’s Guide
Over–the–Air Measurements (OTA) – LTE FDD Option 370 and 5GTF Option 377 (CPU2
Only)
How to Use Data Logging (OTA Options 370 and 377)
How to Use Data Logging (OTA Options 370 and 377)
Record Playback allows you to record OTA trace data and play them back at a
later time. Use this feature to monitor table data activity over a period of time.
Recordings can be saved to the FieldFox Internal memory, an SD Card, or a
USB flash drive.
This section assumes you have already completed the initial setup and have
either an LTE FDD cell or 5GTF setup displayed on the FieldFox.
Screen Annotation
During a record or playback session, the following is displayed in the
top-center area of the screen:
— Rec: 55/55 2018-12-31 03:26:11 PM
where:
— 55/55
is the current and total trace number: currently trace is 55 of 55 total
scans.
— 2018-12-3103:26:11 PM
is the date and time of recording.
— The name of a recording can be changed using Manage Sessions. Learn
more in “To change Recording Configuration settings:” on page 323.
See also Chapter 29, “System Settings.”
Spectrum and Strip Chart information is not recorded. Only the Table data
is saved. See
“Data Logging Procedure” on page 323.
While the Record/Playback softkey is displayed in all measurements,
Record/Playback only records and plays back Table and Bar Chart data.
See
“Data Logging Procedure” on page 323.
Data Logging files are saved to:
Data Logging/RecordPlayback files are save-recalled to:
"[CurrentDevice]\RecordPlayback\OTA"
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