:FUNCtion:UDEFined:BASe

Instrument:
DCA-X
DCA-M
Meas. mode:
Scope
Eye
Jitter
TDR
Flex Apps:
FlexDCA
FlexRT
Measure Define Commands

Command Syntax

:FUNCtionN:UDEFined:BASe   <amplitude>

<amplitude> is an double.

Where N identifies one of sixty four {1:64} math functions that you can create. For example, :FUNCtion2.

Query Syntax

:FUNCtionN:UDEFined:BASe?

Description

For the indicated function, sets or queries the custom base-level setting. The top and base levels are used to locate a waveform's lower, middle, and upper threshold levels during the following measurements: duty-cycle distortion, rise time and fall time. Specify the level in volts or Watts depending on the waveform type. Use :FUNCtion{1:16}:UDEFined:TOP to set or query a custom top level.

Before this custom base level can be applied to measurements, use the :MEASure:TBASe:METHod command to select custom top-base definitions.

Example Command Sequence

:MEASure:TBASe:METHod UDEFined
:FUNCtion3:UDEFined:BASe -125E-3
:FUNCtion3:UDEFined:TOP 125E-3