Agilent Technologies 8935 Series Manual do Utilizador descarregar pdf (Página 45)

Chapter 1 45

Using HP-IB

IEEE 488.1 Remote Interface Message Capabilities

IEEE 488.1 Remote Interface Message

Capabilities

The remote interface message capabilities of the Test Set and the

associated IEEE 488.1 messages and control lines are listed in Table

1-3.

Table 1-3 Test Set IEE 488.1 Interface Message Capability

Message

Type

Implemented Response IEEE 488.1

Message

Data Yes All front-panel functions, except those listed

in Table 1-2 on page 43, are programmable.

The Test Set can send status byte, message

and setting information. All measurement

results (except dashed “- - - -” displays) and

error messages are available through the bus.

DAB

END

MTA

MLA

OTA

Remote Yes Remote programming mode is entered when

the Remote Enable (REN) bus control line is

true and the Test Set is addressed to listen.

The R annunciator will appear in the

upper-right corner of the display screen when

the Test Set is in remote mode. All front-panel

keys are disabled (except for the LOCAL key,

POWER switch, Volume control and Squelch

control knobs). When the Test Set enters

remote mode the output signals and internal

settings remain unchanged, except that

triggering is reset to the state it was last set

to in remote mode (Refer to “Triggering

Measurements” on page 105).

REN

MLA

Local Yes The Test Set returns to local mode (full

front-panel control) when either the Go To

Local (GTL) bus command is received, the

front-panel LOCAL key is pressed or the REN

line goes false. When the Test Set returns to

local mode the output signals and internal

settings remain unchanged, except that

triggering is reset to TRIG:MODE:SETT

FULL;RETR REP. The LOCAL key will not

function if the Test Set is in the local lockout

mode.

GTL

MLA

Local

Lockout

Yes Local Lockout disables all front-panel keys

including the LOCAL key. Only the System

Controller or the POWER switch can return

the Test Set to local mode (front-panel

control).

LLO

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