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Programming the Status Register System

Status Groups

Chapter 3132

Data Questionable Modulation Transition Filters (negative and positive)

The Data Questionable Modulation Transition Filters specify which type of bit state changes

in the condition register set corresponding bits in the event register. Changes can be positive

(0 to 1) or negative (1 to 0).

Data Questionable Modulation Event Register

The Data Questionable Modulation Event Register latches transition events from the

condition register as specified by the transition filters. Event registers are destructive

read-only. Reading data from an event register clears the content of that register.

Data Questionable Modulation Event Enable Register

The Data Questionable Modulation Event Enable Register lets you choose which bits in the

Data Questionable Modulation Event Register set the summary bit (bit 7 of the Data

Questionable Condition Register) to 1.

Commands:

STATus:QUEStionable:MODulation:NTRansition <value> (negative), or

STATus:QUEStionable:MODulation:PTRansition <value> (positive), where

<value> is the sum of the decimal values of the bits you want to enable.

Queries:

STATus:QUEStionable:MODulation:NTRansition?

STATus:QUEStionable:MODulation:PTRansition?

Query: STATus:QUEStionable:MODulation[:EVENt]?

Command:

STATus:QUEStionable:MODulation:ENABle <value> command where <value>

is the sum of the decimal values of the bits you want to enable.

Example: Enable bit 9 and bit 3 so that whenever either of those bits is set to 1, the Data

Questionable Modulation summary bit of the Data Questionable Condition

Query: STATus:QUEStionable:MODulation:ENABle?

Response: Decimal value of the sum of the bits previously enabled with the

STATus:QUEStionable:MODulation:ENABle <value> command.

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Agilent Technologies PSG Manual de Instruções Página 146