R&S CMU Documentation
1100.4903.82 0.1 E-5
Contents of Manuals for Universal Radio Communi-
cation Tester R&S CMU200/ R&S CMU300
Service Manual Instrument
This service manual for Universal Radio Communication Tester R&S CMU provides information on
checking the instrument for compliance with rated specifications, as well as on adjustment, repair
and troubleshooting. It further contains all the information necessary for repairing the instrument by
the replacement of modules.
The service manual comprises five chapters and an annex (chapter 5) containing the R&S CMU circuit
documentation:
Chapter 1 Provides all the information necessary to check R&S CMU for compliance with
rated specifications. The required test equipment is included, too.
Chapter 2 Describes the adjustment of the +5 VDC reference source and of the 10-MHz
reference frequency source as well as the software-controlled adjustment of indi-
vidual module data following module replacement.
Chapter 3 Describes the design of R&S CMU as well as simple measures for repair and
fault
diagnosis, in particular the replacement of modules and access to hardware set-
tings by means of service commands.
Chapter 4 Contains information on the extension and modification of R&S CMU by installing
instrument software and retrofitting options.
Chapter 5 Contains spare parts lists and exploded views of R&S CMU.
Operating Manual
In the operating manual for R&S CMU basic unit you will find information about the technical specifi-
cations of R&S CMU, the controls and connectors on the front and rear panel, necessary steps for
putting the instrument into operation, the basic operating concept, manual and remote control.
For introduction typical measurement tasks are explained in detail using the functions of the user in-
terface and program examples.
The operating manual contains all information on the characteristics, operation and remote control of
the R&S CMU including RF and Audio measurements. It further provides hints on preventive mainte-
nance and fault diagnosis by means of warnings and error messages output by the unit.
Service Manual Modules
The service manual modules is not delivered with the instrument but may be obtained from your R&S
service department using the order number 1100.4903.92.
Service manual modules contains information about the individual modules of R&S CMU. This com-
prises the test and adjustment of the modules, fault detection within the modules and the interface
description.
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