Measurement-computing Analyzer488 Manuel d'utilisateur télécharger pdf (Page 58)

Section 3 Front Panel Operation

3.12

Press

[STEP]

The

STEP

LED will light.

to set handshaking to step.

(Note that pressing either

[ENTER]

[STEP]

will

perform a handshake when

STEP

handshaking is

selected.)

SRQ IFC

RENATN

EOI

LOCATION MESSAGE

CMD> output 00;test

BUS TAG21 55

This display shows that one event has taken place. Pressing

[STEP]

to set handshaking also performs a single handshake. Press

[STEP]

8 times to step through and display the same events as shown

above.

Press

[FAST]

The

FAST

LED will light.

to set handshaking to fast.

SRQ IFC

RENATN

EOI

LOCATION MESSAGE

CMD> output 00;test

BUS ACG13 OD

The same events occurred on the bus, but the the transactions were

too fast to view.

Press

[NONE]

All handshaking LEDs will be off.

to turn handshaking off.

SRQ IFC

RENATN

EOI

LOCATION MESSAGE

CMD> output 00;test

BUS SCG20 74

ERROR

09:

TIME OUT OR BUS ERROR ON WRITE

An error occurred because no listener was present. The controller

asserted Attention to talk and presented 't' on the bus. The bus message,

SCG20

, is the multiline command,

&h74

, the hex value of ASCII 't'.

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 280 281

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Measurement-computing Analyzer488 Manuel d'utilisateur Page 58

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