Agilent Technologies 5000 Series manual FUNCtionREFerence, Return Format levelNL

3Commands by Subsystem

:FUNCtion:REFerence

(see page 530)

Command Syntax :FUNCtion:REFerence <level>

<level> ::= the current reference level in NR3 format.

The range of legal values is from - 400.0 dBV to +400.0 dBV depending on the current :FUNCtion:RANGe value. If you set the reference level to a value outside of the legal range, it is automatically set to the nearest legal value.

The :FUNCtion:REFerence command is only used when an FFT (Fast Fourier Transform) operation is selected. The :FUNCtion:REFerence command sets the reference level represented by center screen.

N O T E The FUNCtion:REFerence command is equivalent to the :FUNCtion:OFFSet command.

Query Syntax :FUNCtion:REFerence?

The :FUNCtion:REFerence? query returns the current reference level in dBV.

Return Format <level><NL>

<level> ::= the current reference level in NR3 format.

See Also • "Introduction to :FUNCtion Commands" on page 182

•":FUNCtion:OFFSet" on page 185

•":FUNCtion:RANGe" on page 187

•":FUNCtion:SCALe" on page 189

188 Agilent InfiniiVision 5000 Series Oscilloscopes Programmer's Reference