Agilent Technologies 8935 Series Bedienungsanleitung PDF herunterladen (Seite 302)

302 Chapter 9

O:\Manuals\E6380A_Progguid\Book\Errormsg.fm

Error Messages

General Information About Error Messages

Text Only Error Messages

Operation errors generally occur when you try to do something the Test

Set was not designed to do. Most messages tell you what to do to correct

the problem, (turn something off, reduce a field’s value, press a certain

key,…and so forth).

Some common messages are listed here:

• All self tests passed.

• The Test Set did not detect any hardware or firmware failures

during its initial self-diagnostics.

This message should always be displayed immediately after

instrument turn on.

• Input value out of range.

A number was entered that was too large or small for the selected

field, for example, trying to set AFG1 Freq to 125 kHz.

• Invalid keystroke.

You used a key that has no function relating to the selected field,

for example, pressing the

On/Off key while the Filter 1 field is

selected.

• Option not installed.

You selected a function that requires optional hardware that is

not present.

• Turn off either AM or FM settings.

You tried to create simultaneous AM and FM (using any

combination of AFGen1, AFGen2, and the Mod In To field). The

Test Set does not provide simultaneous AM and FM.

• Squelch interrupt overflow. Reset using

Meas Reset (press and

release the

Shift key, then the Hold key).

The Test Set temporarily interrupts audio measurements when

squelch is first broken to prevent internal switching transients

from influencing measurements (except when using the SCOPE,

SPEC ANL, SERVICE screens). If squelch is repetitively broken

in a period of a few seconds, the duration of measurement

interruption becomes too great, and the Test Set stops

interrupting the signal. Following measurements may be

influenced by transient signals.

Meas Reset clears the data buffer used to generate interrupts,

resetting the normal squelch operation to eliminate transients.

This condition may occur when monitoring low-level off-the-air

signals.

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