Remote Commands
R&S
®
FSW
916
User Manual 1173.9411.02 ─ 19
Manual operation:
See
"Selecting a frame to display"
CALCulate:SGRam|SPECtrogram:HDEPth
<History>
This command defines the number of frames to be stored in the R&S
FSW memory.
Parameters:
<History>
The maximum number of frames depends on the number of
sweep points.
Range:
781 to 20000
Increment: 1
*RST:
3000
Example:
CALC:SGR:SPEC 1500
Sets the history depth to 1500.
Manual operation:
See
CALCulate:SGRam|SPECtrogram:TSTamp:DATA?
<Frames>
This command queries the starting time of the frames.
The return values consist of four values for each frame. If the Spectrogram is empty,
the command returns '0,0,0,0'. The times are given as delta values, which simplifies
evaluating relative results; however, you can also calculate the absolute date and time
as displayed on the screen.
The frame results themselves are returned with
TRAC:DATA? SGR
See
Query parameters:
<Frames>
CURRent
Returns the starting time of the current frame.
ALL
Returns the starting time for all frames. The results are sorted in
descending order, beginning with the current frame.
Return values:
<Seconds>
Number of seconds that have passed since 01.01.1970 till the
frame start
<Nanoseconds>
Number of nanoseconds that have passed
in addition to the
<Seconds>
since 01.01.1970 till the frame start.
<Reserved>
The third and fourth value are reserved for future uses.
Example:
CALC:SGR:TST ON
Activates the time stamp.
CALC:SGR:TST:DATA? ALL
Returns the starting times of all frames sorted in a descending
order.
Usage:
Query only
Analyzing Measurements (Basics)
