Measurement-computing Analyzer488 Manual do Utilizador descarregar pdf (Página 93)

Section 3 Front Panel Operation

3.47

Control

The Control keys are used to control the bus management lines. The Control

LED indicators show the driven state of the bus management lines, not the actual

state. The actual state of the bus management lines can be seen on the front panel

alphanumeric display.

CONTROL

EOI ATN SRQ REN IFC

[EOI]

The End or Identify key,

[EOI]

, is used to assert or unassert the

End or Identify (EOI) bus management line.

EOI LED

The

EOI

LED indicates that the Analyzer488 is asserting the EOI

line. It does not display the state of the bus EOI signal.

[ATN]

The Attention key,

[ATN]

, is used to assert or unassert the Attention

(ATN) bus management line.

ATN LED

The

ATN

LED indicates that the Analyzer488 is asserting the ATN

line. It does not display the state of the bus ATN signal.

[SRQ]

The Service Request key,

[SRQ]

, is used to assert or unassert the

Service Request (SRQ) bus management line.

SRQ LED

The

SRQ

LED indicates that the Analyzer488 is asserting the SRQ

line. It does not display the state of the bus SRQ signal.

[REN]

The Remote Enable key,

[REN]

, is used to assert or unassert the

Remote Enable (REN) bus management line.

REN LED

The

REN

LED indicates that the Analyzer488 is asserting the REN

line. It does not display the state of the bus REN line.

[IFC]

The Interface Clear key,

[IFC]

, is used to pulse the Interface Clear

(IFC) bus management line.

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