Keysight Technologies 3458A Guide D'utilisation page 321

QFORMAT
Query format. Designates whether query responses contain numeric or alpha
characters (whenever possible), and whether command headers are returned.
Syntax
QFORMAT [type]
format
The type parameter choices are:
type
parameter
NUM
NORM
ALPHA
Power-on type = NORM.
Default type = NORM.
– The numeric query equivalents for alpha parameters are shown under each
– When you execute a query command from the multimeter's front panel, the
Keysight 3458A User's Guide
Numeric
query equiv.
0
1
applicable command in this chapter. Some query commands such as DEFKEY?
will always return alpha characters regardless of the specified QFORMAT.
Similarly, some query commands such as NDIG? will always return a numeric
response.
result goes to the display only. When you execute a query command from the
controller, the result goes to the multimeter's output buffer only. Query results
are returned in ASCII format, after which the output format returns to the
previously specified type (ASCII, SINT, etc.).
Description
Query responses sent to either GPIB or the display are numeric
only (whenever possible) with no headers
Query responses sent to the GPIB are numeric only (whenever
possible) with no headers; query responses sent to the display
contain alpha headers and alpha responses (whenever possible)
Query responses sent to either GPIB or the display contain an
alpha header and an alpha response (whenever possible)
Command Reference 6
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