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Programming Guide 1-47

ESG Family Signal Generators Preparing for Use

Programming the Status Register System

Positive

Transition

Filter A positive transition filter specifies the bits in the condition register that

will set corresponding bits in the event register when the condition bit

changes from 0 to 1.

Event

specified by the positive and negative transition filters. Bits in the event

querying the register contents or sending the *CLS command.

Event

Enable

a summary bit. The signal generator logically ANDs corresponding bits in

the event and enable registers and ORs all the resulting bits to produce a

summary bit. Summary bits are, in turn, used by the Status Byte Register.

In general, a status group is a set of related registers whose contents are programmed in

order to produce status summary bits. In each status group, corresponding bits in the

condition register are filtered by the negative and positive transition filters and stored in

the event register. The contents of the event register are logically ANDed with the contents

of the enable register and the result is logically ORed to produce a status summary bit in

the Status Byte Register.

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Agilent Technologies ESG Especificações Página 51