:FUNCtion<m> Commands 18
Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide 421
:FUNCtion<m>:REFerence
(see page 1428)
Command Syntax
:FUNCtion<m>:REFerence <level>
<m> ::= 1 to (# math functions) in NR1 format
<level> ::= the current reference level in NR3 format.
The :FUNCtion<m>:REFerence command sets the voltage or vertical value
represented at center screen for the selected function. The range of legal values is
generally +/-10 times the current scale of the selected function, but will vary by
function. If you set the reference level to a value outside of the legal range, the
level is automatically set to the nearest legal value.
Query Syntax
:FUNCtion<m>:REFerence?
The :FUNCtion<m>:REFerence? query outputs the current reference level value for
the selected function.
Return Format
<level><NL>
<level> ::= the current reference level in NR3 format.
See Also • "Introduction to :FUNCtion<m> Commands" on page 393
• ":FUNCtion<m>:OFFSet" on page 415
• ":FUNCtion<m>:RANGe" on page 420
• ":FUNCtion<m>:SCALe" on page 422
The FUNCtion:REFerence command is equivalent to the :FUNCtion<m>:OFFSet command.
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