Preparing for use
R&S
®
LCX Series
19Getting Started 1179.2254.02 ─ 03
5. Replace the line fuse.
a) Unplug the power cable.
b) Press the plastic lock on the bottom of the fuse holder inwards using a
screwdriver (with a blade width of approximately 2 mm).
A narrow guide on the bottom of the fuse holder denotes the insertion
point.
When unlocking the mechanism, compression springs automatically push
the fuse holder outwards.
c) Pull out the fuse holder.
d) Check the condition of the fuse.
e) Replace the fuse by a fuse of the specified type.
A label next to the fuse holder also indicates the fuse type and its charac-
teristics.
f) Note: The protruding contact springs must not be deformed. Align the fuse
holder with the guide bar facing the socket.
Carefully slide the fuse holder against the spring pressure into the slot until
the plastic lock latches.
Connecting to power
To connect the instrument to the mains:
1. Check the available supply voltage.
The mains voltage must be within the voltage range as denoted on the instru-
ment.
The label is at the rear panel, on the left of the "AC power" connector and
power switch.
The power supply module covers a wide power supply range and normally
does not require adjustment.
2. If the power supply exceeds the permissible range, contact Rohde & Schwarz
customer service.
3. If necessary, ground the instrument using the grounding connection .
A ground connector socket is at the front panel to connect a ground cable with
a banana plug.
As an alternative, a ground terminal at the rear panel enables you to connect
a ground cable firmly with a screw:
a) At the rear panel, unscrew the screw of the ground terminal using a cross-
recess screw driver.
b) Attach a ground cable with a ring terminal and pass the screw through it.
c) Fasten the screw.
Connecting to power
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