Inspection and Maintenance
R&S
®
TS7124AS
57
Instructions Handbook 1179.2948.02 ─ 01
2. If pressure tubes or couplings are defective, replace these parts.
To check the test equipment
This check is restricted to the
.
1. Check the antennas, cables and connectors by coupling measurements from one
antenna towards the others. For example, if six antennas are installed:
a) Send a defined RF signal to antenna #1.
b) Measure it at antenna #2.
c) Send the same RF signal to antenna #2.
d) Measure it at antenna #3.
e) Proceed in the same way with the other antennas, cables and connectors.
You can automate this procedure, depending on your available measurement
equipment and test system. Another way of checking is a measurement of the S11
parameters at all RF ports of the chamber.
2. If one or more antennas, cables or connectors do not seem to function properly,
ask an
to solve the problem.
9.4.2
Checking the Absorber
This check is restricted to the
.
To check the absorber material
1. Check the absorber material inside the door and around the chamber's door open-
ing for damage or wear.
2. If the absorber material has visible damage or wear, contact Rohde
&
Schwarz
customer support to replace it; see
Chapter 10.3, "Contacting Customer Support"
on page 61. This replacement can require an exchange of the complete door.
9.4.3
Cleaning the Chamber
If the chamber is soiled on its inside or outside, clean it.
To clean the chamber
1. If you want to clean only the outside, you can leave the chamber closed.
Otherwise, open the chamber as described in
Chapter 7.3.2, "Push-Button Door
2. Deactivate the chamber as described in
Chapter 7.2, "Deactivating the Chamber"
on page 43.
Deactivation prevents any door movement that can lead to collision during cleaning
activities.
For cleaning only the outside, proceed with
Performing Maintenance Tasks