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Maintenance
R&S
®
ETL
59
Getting Started 2118.4130.02 ─ 04
11
Maintenance
The R&S
ETL does not need a periodic maintenance. What is necessary is essentially
the cleaning of the R&S
ETL. However, it is recommended to check the rated data from
time to time.
The address of our support center and a list of all Rohde
& Schwarz service centers
www.customersupport.rohde-schwarz.com
11.1
Recommended Calibration Interval
For information on the recommended calibration interval for the R&S
ETL, refer to the
data sheet.
11.2
Cleaning
Shock hazard
Before cleaning the R&S
ETL, ensure that the R&S
ETL is switched off and disconnec-
ted from all power supplies.
1. Clean the outside of the R&S
ETL using a soft, lint-free dust cloth.
2. Make sure that vents are not obstructed.
Instrument damage caused by cleaning agents
Cleaning agents contain substances that may damage the R&S
ETL, e.g. solvent-con-
taining cleaning agents may damage the front panel labeling or plastic parts.
Never use cleaning agents such as solvents (thinners, acetone, etc), acids, bases, or
other substances.
11.3
Replacing the Fuses
The R&S
ETL is protected by two fuses (IEC
127 - T
3.15
H / 250
V) located on the
rear panel at the right side of the AC power switch.
Replacing the Fuses