Agilent Technologies 8590 L-Series Uživatelská příručka stáhnout pdf (Strana 229)

DWELL

TIME

Option 102 or 103 only.

sets the dwell time for the marker pause, during which demodulation can take

place in

nonzero

span sweeps. The dwell time can be set from 2 milliseconds to

100 seconds.

Front-Panel Key Access:

ljj)

EDGE POL

POS NEG

Option 105 only. 0ption 101 is recommended.

determines whether the gate triggers on the positive-going or negative-going

edge of the signal at the GATE TRIGGER INPUT connector (on the rear panel

of the spectrum analyzer).

If the gate utility is used and a pulse repetition interval has been entered, gate

trigger position markers will be shown in the time domain window. A

“0”

indicates positive triggering. A

“U”

indicates negative triggering.

Front-Panel Key Access:

[w)

Edit

Amp Cor

allows you to edit the current amplitude-correction factors table by accessing

the SELECT POINT, SELECT

FREq

, SELECT AMPLITUD , DELETE POINT,

Edit Done, and PURGE AMP COR softkeys.

Front-Panel Key Access:

ICAL)

EDIT

CAT ITEM

fir

options

021, 023, and 024 only. Refer to the HP 8590 E-Series and L-Series

Spectrum Analyzer and HP 8591 C Cable TV Analyzer Programmer’s Guide for

more information.

starts the DLP editor function and loads the highlighted item from the catalog

of spectrum analyzer user memory to be displayed and edited. It copies the

item into the spectrum analyzer DLP editor memory which is a 2500 byte

memory buffer. If an item is edited, the new edited version will not be

overwritten in the spectrum analyzer user memory until it is processed by the

SAVE EDIT softkey.

Front-Panel Key Access:

(jj)

ISAVE_)

Edit

Done

can be accessed through both the amplitude-correction menu and the the

change prefix menu. When accessed from the amplitude-correction menu, the

amplitude-correction factors table is erased from the spectrum analyzer screen

and the amplitude-correction menu is restored on-screen. Use Edit Done

when all the amplitude-correction factors have been entered.

EDIT

DONE

When accessed from the change prefix menu, Edit Done erases the prefix

from the spectrum analyzer screen and restores the previous menu. Use

Edit Done when prefix characters have all been entered.

Front-Panel Key Access:

ICAL),

@ZiZ),

(jj],

(jj),

can be accessed through the limit-line menu. Pressing EDIT DONE erases the

limit-line table from the spectrum analyzer screen and restores the menu

accessed by the Limit Lines softkey. Use EDIT DONE when all the limit-line

values have been entered.

Front-Panel Key Access:

[DISPLAY)

allows flatness-correction constants to be viewed or modified. This is a service

calibration function and is for service use only.

Front-Panel Key Access:

ICAL)

EDIT

FLATNESS

7-36 Key Descriptions

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