Anritsu LMR Master S412E Programming Manual page 225

An integrated, handheld multi-function land mobile radio test tool

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Table of Contents

Fixed WiMAX Commands

:TRACe[:DATA]? <trace type>

Title: Trace Data Transfer

Description: This command transfers trace data from the instrument to the

Parameter: <trace type>

Related Command: :FORMat[:DATA]

controller. The <trace type> must be one of the following:

The format of the block data in the query form is specified by

:FORMat:DATA. The block data in the command form is always sent in

ASCII format. The response begins with an ASCII header that specifies

the number of data bytes. It looks like #AX, where A is the number of

digits in X and X is the number of bytes that follow the header. Each

data point is separated by a comma delimiter. Trace setup information

can be acquired using :TRACe[:DATA]:PREamble?

Use the commands in the MMEMory subsystem to store and recall

traces from the instrument memory. Except for CONStln there is only

one value per data point. If max hold is set to ON for SPECtrum and

EVM vs. Sub Carrier then the max hold value is returned. For

CONStln, each data point is represented by 3 values 4 bytes each: IData

(no units), QData (no units), and the constellation type (no units). For

SPECtrum and PVTime unit is in dBm. For Spectral Flatness unit is in

dB. For EVM vs Sub Carrier and EVM vs Symbol unit is in percent.

Note that the instrument must be set in the selected view. Use the

CONFigure command to set the unit to the selected view.

:TRACe[:DATA]:PREamble?

PN: 10580-00319 Rev. N

7-10 :TRACe Subsystem