CMU Maintenance
1100.4903.12 8.1 E-8
8 Maintenance and Interfaces
The following chapter contains information on the maintenance of the CMU.
Please follow the instructions in the service manual when exchanging modules or ordering spares. The
order no. for spare parts can be found in the service manual.
The address of our support center and a list of all Rohde & Schwarz service centers can be found at
the beginning of this manual.
The service manual includes further information particularly on troubleshooting, repair, exchange of
modules (including battery exchange, adjustment of the OCXO oscillator) and calibration.
Maintenance
The CMU does not require any special maintenance. Remove any contamination on the instrument by
means of a soft cloth. Make sure that the air vents are not obstructed.
Cleaning the Outside
The outside of the instrument is suitably cleaned using a soft, line-free dust cloth.
Caution!
Never use solvents such as thinners, acetone and similar things, as they may
damage the front panel labeling or plastic parts.
Storing and Packing
The CMU can be stored at the temperature range quoted in the data sheet. When stored for an
extended period of time the instrument should be protected against dust.
The original packing should be used, particularly the protective covers at the front and rear, when the
instrument is to be transported or dispatched. If the original packing is no longer available, use a sturdy
cardboard box of suitable size and carefully wrap the instrument to protect it against mechanical
damage.
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