Getting started
R&S
®
LCX Series
19User Manual 1179.2260.02 ─ 02
To suppress electromagnetic radiation during operation:
●
Use high-quality shielded cables, especially for the following connector types:
– Connectors for external devices
Double-shielded data cables. The length of data cables must not exceed 3 m.
– Connectors for signal transmission
Shielded coaxial cables. The length of signal cables must not exceed 1 m.
We recommend that you use the R&S LCX-Z11 BNC-to-BNC extension (1 m)
from Rohde & Schwarz.
– BNC
Double-shielded BNC cables.
– USB
Double-shielded USB cables. The length of passive USB cables must not
exceed 1 m.
– LAN
At least CAT6+ cables
– IEEE-488 (GPIB)
Double-shielded cables. We recommend that you use the double-shielded
cable "R&S HZ72" from Rohde & Schwarz.
●
Always terminate open cable ends.
●
Ensure that connected external devices comply with EMC regulations.
Signal input and output levels
Information on signal levels is provided in the data sheet. Keep the signal levels within
the specified ranges to avoid damage to the product and connected devices.
4.1.6 Connecting to power
For safety information, see "Connecting to power" on page 10.
When using the R&S LCX the first time, you can skip Replacing the external bias fuse
and Replacing the line fuse.
If there are any problems during power-on or malfunction of the bias, check the condi-
tion of the mains fuse. Also check the fuse for the external bias input as described in
these instructions. They explain how to check and change the protective fuses, if nec-
essary.
Replacing the external bias fuse
The bias voltage input of the R&S LCX is protected by a fuse of type IEC 60127-2/5-
F0.5L/250V (order no. 0009.5463.00). The externally accessible fuse is at the rear
panel.
To check and exchange the external bias fuse:
1.
NOTICE! Risk of instrument damage. Malfunction of the fuse that protects the bias
voltage input from overload can damage the circuitry of the instrument.
Preparing for use
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