P25 Phase 2 Commands 11-11 :TRACe Subsystem
S412E PM PN: 10580-00319 Rev. N 11-27
11-11 :TRACe Subsystem
This subsystem contains commands related to the transfer of trace data to and from the
instrument.
:TRACe:PREamble?
Description: Returns trace header information. Use the commands in the
MMEMory subsystem to store and recall traces from the instrument
memory. The response begins with an ASCII header. The header
specifies the number of following bytes. It appears in the format #AX,
where A is the number of digits in X, and X is the number of bytes that
follow the header.
Parameters are returned in comma-delimited ASCII format. Each
parameter is returned as “NAME=VALUE[UNITS]”. Note that the
parameters that are returned depend on the firmware version and that
this document may not cover all parameter values that are returned by
the command. Refer to Table 11-1.
Cmd Parameters: NA
Query Parameters: NA
Range: NA
Default Value: NA
Default Unit: NA
Example: To get the trace preamble:
:TRACe:PREamble?
Front Panel Access: NA
Table 11-1. Returned Parameter Values in Trace Preamble (Sheet 1 of 7)
Parameter Name Description
SN Instrument serial number.
UNIT_NAME Instrument name.
TYPE The data type (Setup or data).
DATE Trace date and time.
APP_NAME Application name.
APP_VER Application firmware (FW) version.
GPS_FIX_AVAIL
Status of GPS lock. Please note that none of the GPS
information will show if there is no GPS lock.
GPS_FIX_TIME
Current UTC time shown in hours, minutes, seconds.
Even if a file has been recalled, the current UTC time
will be returned.
To Next Page
Loading...
