:GRAPh:DBHertz:Y:REFerence

:GRAPh Decibels (Hz) Commands

Command Syntax

:GRAPh:DBHertzN:Y:REFerence {TOP | CENTer | BOTTom}

Where N specifies one of four {1:4} waveform content windows.

Query Syntax

:GRAPh:DBHertzN:Y:REFerence?

Description

Sets the vertical reference location of the specified Decibels (Hz) content window to be located at the graticule's top, center, or bottom.

The :GRAPh:DBHertz:Y:OFFSet is the value at the vertical reference location.

You can adjust the :GRAPh:DBHertz:Y:OFFSet value to, in essence, move the zero level about the reference location. When the :GRAPh:DBHertz:Y:OFFSet value is zero, the zero level is at the vertical reference location.