Installation and Safety Instructions
GB
Introduction
1
1-9
Introduction
This chapter should be read before unpacking, installing, and operating the instrument. It
describes grounding, power cables, and fuses.
It also contains the Installation and Safety Instructions in the following languages:
Spanish, Italian, Dutch and Swedish.
Safety Instructions
Upon delivery from the factory the instrument complies with the required safety
regulations, see Chapter 7. To maintain this condition and to ensure safe operation,
carefully follow the instructions below.
Maintenance and Repair
Failure and excessive stress:
If the instrument is suspected of being unsafe, remove it from operation immediately and
secure it against any unintended operation. The instrument is considered to be unsafe
when any of the following conditions exist:
•
It shows physical damage.
•
It does not function.
•
It is stressed beyond the tolerable limits (e.g., during storage and transportation).
Disassembling the Instrument:
Warning
Calibration, maintenance, and repair of the instrument must be
performed only by trained personnel who are aware of the
hazards involved. To avoid electric shock, do not remove the
cover unless you are qualified to do so.
Before removing the cover, disconnect the instrument from all
power sources. The capacitors in the instrument may remain
charged for several seconds after all power has been
disconnected.
Grounding (Earthing)
Before any other connection is made, the instrument shall be connected to a protective
earth conductor using the three-wire power cable.
The power plug shall be inserted only into a grounded outlet. Do not defeat the
protective action by using of an extension cord without a grounded conductor.
Warning
Any interruption of the protective ground conductor inside or
outside the instrument or disconnection of the protective
ground terminal will make the instrument dangerous. Do not
Intentionally interrupt the protective ground conductor.
The circuit ground potential is applied to the external contacts of the BNC connectors
and is connected to the instrument case. The external contacts of the BNC connectors
must not be used to connect a protective conductor.
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