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Agilent Technologies 8753ET Service Guide

Agilent Technologies 8753ET
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Chapter 10 10-19
Service Key Menus and Error Messages
Service Key Menus
N/A Switches in both of the A10 IF attenuators for checking the
A10 IF gain amplifier circuits. Small input signals will
appear noisy, and raise the apparent noise floor of the
instrument.
SM7 For factory use only.
N/A Allows you to store the correction constants that reside in
non-volatile memory (EEPROM) onto a disk. Correction
constants improve instrument performance by compensating
for specific operating variations due to hardware limitations
(refer to
Chapter 3 , “Adjustments and Correction
Constants”
). Having this information on disk is useful as a
backup, in case the constants are lost (due to a CPU board
failure). Without a disk backup the correction constants can
be regenerated manually, although the procedures are more
time consuming.
SM8 Offsets the frequency of both the A3 YIG oscillator and the
A3 cavity oscillator to avoid spurs which cannot otherwise be
filtered out. allows examination of
these spurs for service.
Table 10-11 Service Modes Menu Keys
Key GPIB
Mnemonic
Description
IF GAIN OFF
SPUR TEST on OFF
STORE EEPR on OFF
SPUR AVOID ON off
SPUR AVOID OFF

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Agilent Technologies 8753ET Specifications

General IconGeneral
BrandAgilent Technologies
Model8753ET
CategoryMeasuring Instruments
LanguageEnglish

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