252                                                                                                                     Keysight N9927-90001 User’s Guide
RTSA (Real-Time Spectrum Analyzer) Mode—Option 350 (CPU2 Only)
Record/Playback (RTSA Option)
— Playback State/Tag Allows you to continue playback from a state 
tag, or scroll through the state tags. Enter a value between 1 and the 
total number of state tags using the numeric keypad,   arrows, or 
the rotary knob. Active when playback is paused. Learn more in 
About State and User Tags in “About State and User Tags” on 
page 249.
— Playback Trace
 Activated automatically when Paused. Allows you to 
continue playback from a specific trace, or scroll through traces 
manually. Enter a value between 1 and the total number of traces 
using the numeric keypad,   arrows, or the rotary knob. 
— Stop
 Immediately stops playback. Then choose from the following:
— Play
 Start playback from trace 1.
— Record
 Resume recording from the last recorded trace.
— Record Playback Setup
 Return to the setup menu to change 
Configuration settings or Close the session.
Recording Configuration
To change Recording Configuration settings:
—Press Trace 6
—Then Record Playback
—Then New Session or Recall an existing session.
—Then Recording Configuration
Then choose from the following:
— Record Time
 Sets the amount of time to record traces. Default is MAX, 
which is to record indefinitely. Enter a value between 1s and 1 Ms (million) 
seconds using the numeric keypad,   arrows, or the rotary knob. When 
set, a timer appears during recording in the lower-left corner which counts 
DOWN from the specified time.
— Record Source
 Determines which trace is recorded. Sets where, in the 
FieldFox data flow, data is recorded. Learn more in “Record Source” on 
page 253. Choose from the following:
— First Active Trace
 (Default) This setting automatically selects the first 
active trace (1,2, 3 or 4) (i.e., any state other than View or Blank).
— Trace 1,2,3,4
 Records data from the corresponding trace in its 
current state.