HP 34970A User Manual download pdf (Page 234)

100

101

SYSTem:TIME:SCAN?

Read the time at the start of the scan. This command is not affected by

the FORMat:READ:TIME:TYPE command. Returns the time in the form

“

1997,06,02,18,30,00.000” (June 1, 1997 at 6:30 PM).

FETCh?

Transfer readings stored in non-volatile memory to the instrument’s

output buffer where you can read them into your computer. The readings

are not erased from memory when you read then using FETCh?.

The output from this command is affected by the FORMat:READing

commands (see “Reading Format Commands” on page 231).

R? [<

max_count>]

Read and erase all readings from reading memory up to max_count.

The readings are erased from memory starting with the oldest reading.

This is a special version of the DATA:REMove? command with faster

execution time. If you omit the optional max_count parameter, the command

will read and erase up to 50,0000 readings from memory. The output

from this command is affected by the FORMat:READing commands

(see “Reading Format Commands” on page 231).

This command returns a series of readings in

SCPI definite length block

format. The response begins with the “#” character, followed by a single

character representing the number of succeeding characters to interpret

as a length specifier, followed by a length specifier representing the

number of bytes in the block, followed by a block of that many bytes.

For example, the R? command will return a string similar to the

following (two readings are shown):

#231+2.61400000E+01,2.62400000E+01

Chapter 5 Remote Interface Reference

Scanning Overview

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