Notices R&S M3SR Series 4100 HF Transceivers
N.1 6124.9007.82.01
Definitions
Check In appropriate measurements by means of the specified test
equipment, proper functioning of a unit or module is estab-
lished.
Discolouration Components such as connectors and printed circuit boards are
examined if they have changed colour due to temperature ef-
fects and thus differ widely from their normal condition.
Disconnect Pull off connector.
Examine In case of trouble the unit / module or components such as e.g.
connectors, are to be thoroughly checked for obvious mechani-
cal damage.
Functional check This means that components / modules / units are checked for
proper functioning while installed.
Hazardous voltages Voltages > 30 V
rms
or 50 V
pp
(AC) or 50 V (DC)
Make sure Ascertain whether all mentioned requirements are met or all
measures are taken to establish the required condition.
Open Access is to be gained to the unit / module by observing the
given instructions and safety precautions.
Perfect condition This means that a component / module / unit has to be in a
state which does not give cause to complaints.
Replacement In case of trouble the replacement of modules is carried out in
order to localize and eliminate the fault.
Replace Components / modules / units which - due to damage and / or
other defects - no longer meet the respective requirements or
components / modules / units which during troubleshooting
were identified as the cause of fault, are to be replaced.
Visual examination This is a visual inspection of the outer appearance and com-
pleteness of a component / module / unit without manual inter-
ference by the examiner. This does not include the necessary
preparations and finishing work such as opening and closing of
covers or similar.