User`s guide

Agilent E6432A Microwave Synthesizer User’s Guide 4-165

HPE6432_SetAttenAuto

ViStatus HPE6432_SetAttenAuto (ViSession instrumentHandle,

ViBoolean attenAutoEnable);

Purpose

This function allows you to select whether the attenuator operates

automatically or in a locked setting.

When SetAttenAuto = enabled (true), the attenuator changes

automatically, as used with the Set RF Output Power command, so that

the RF output power = ALC + Attenuation.

When SetAttenAuto = disable (false), the attenuator is locked in its

current setting.

Factory Preset Value: True

Parameter List

instrumentHandle

Variable Type ViSession

This is the ViSession handle that is obtained from the Initialize

function. The instrumentHandle identifies a particular instrument

session.

attenAutoEnable

Variable Type ViBoolean

This parameter specifies whether the attenuator lock mechanism is

enabled or disabled.

Allowable values: enable=VI_TRUE, disable=VI_FALSE

Return Value

This parameter reports the return status of this function.

To obtain further information about the status that is returned, call the

Error Message function or refer to “Error-Code and Fail-Code

Messages” on page 3-93.