Measurement-computing Analyzer488 Bedienungsanleitung PDF herunterladen (Seite 79)

Section 3 Front Panel Operation

3.33

format. The REL LED can only be on when viewing record memory.

Changing the addressing format is accomplished by pressing

[REL]

. Changing the record memory reference pointer is

accomplished by using the Set Relative,

[SHIFT][REL],

command.

[SET

REL]

The Set Relative command,

[SHIFT][REL]

, is used to set the

current reference pointer.

[SET

REL]

resets the reference pointer to

the currently displayed record memory location, in either relative

addressing or absolute addressing format. A status message

confirms the action:

Reference Set

-SEARCH-

[FIRST]

The First key,

[FIRST]

, is used to search the record memory for

the first location written in the record memory during the most resent

recording operation. The record memory location, bus message, and

management line status are displayed on the front panel display.

[FIRST]

is valid only when viewing record memory. If nothing

was recorded, a status message is displayed:

Not Available

[+TRIGGER]

The Next Trigger command,

[SHIFT][FIRST]

, searches the

record memory for the next trigger point. The record memory

location, bus message, and management line status are displayed on

the front panel display.

[+TRIGGER]

is valid only when viewing

record memory. A status message is displayed while searching:

+Searching...

If no trigger is found, a status message is displayed:

Trigger Not Found

[LAST]

The Last key,

[LAST]

, is used to search the record memory for the

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