Cleaning R&S SU 4200
5.3 6125.0226.12.01
positions, because the internal reference on the RF module could
unlock here (CBIT error 108, see chapter
4.2.1).
Nominal value
OCXO f ±0.02 ppm (corresponds to ± 2.4 Hz at 120 MHz)
5.2 Cleaning
Danger of bur ns on the rear panel\ Danger of bur ns on the rear panel "Name ".doc
CAUTION
Danger of burns on the rear panel!
The rear panel is extremely hot around common antenna X3 and the power
supply unit (plugs X1, X2) owing to the radio's high transmit power. A label
indicates the hot area.
Do not directly touch the rear panel during or soon after operation.
CAUTION
Wear goggles when working with compressed air in order to avoid injuries.
ATTENTION
Direct compressed air first toward ground until no more condensed water is
contained in the air jet.
Keep a minimum distance of 20 cm between compressed air and
transmitter.
Preparation
Such measures involve cleaning and touching up slight blemishes in the
varnish coat of the transmitter. The following materials are required:
Soft brush
Duster
Cleaning compound, e.g. suds, household detergent
Cleaning
0.
1. First clean the surfaces of the unit with compressed air.
2. Continue cleaning with a soft brush or a duster.
3. Clean heavily contaminated surfaces, especially grease stains, with a
soft, lint-free cloth moistened with suds.
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