Write/Read

About Attenuation

Description

Sets or returns the mode of operation of the attenuator control for the specified port number. This command is automatically set to Manual when an Attenuator value is set.

 VB Syntax

object.AttenuatorMode(portNum) = value

Variable

(Type) - Description

object

Channel (object)

or

CalSet (object) - Read-only property

portNum

(long) -Port number of attenuator control to be changed.

value

(enum NAModes) - Choose from:

0 - naAuto - Attenuator control set to automatic. The analyzer will set the attenuator control appropriately to deliver the specified power at the source.

1 - naManual - Specify the attenuator setting using chan.Attenuator (which automatically sets AttenuatorMode = naManual.

Return Type

NAModes

Default

0 - Auto

Examples

chan.AttenuatorMode(1) = naAuto 'Write

attn = chan.AttenuatorMode(1) 'Read

C++ Syntax

HRESULT get_AttenuatorMode(long port, tagNAModes* pVal)
HRESULT put_AttenuatorMode(long port, tagNAModes newVal)

Interface

IChannel

ICalSet3