PRECAUTIONS
vi
Fuses
Note that the internal supply fuse is in series with the live conductor of the supply lead. If
connection is made to a 2-pin unpolarized supply socket, it is possible for the fuse to become
transposed to the neutral conductor, in which case, parts of the equipment could remain at supply
potential even after the fuse has ruptured.
WARNING
Fire hazard
Make sure that only fuses of the correct rating and type are used for replacement.
If an integrally fused plug is used on the supply lead, ensure that the fuse rating is commensurate
with the current requirements of this equipment. See under ‘Performance data’ in Chapter 1 for
power requirements.
WARNING
Toxic hazards
Some of the components used in this equipment may include resins and other materials which give
off toxic fumes if incinerated. Take appropriate precautions, therefore, in the disposal of these
items.
WARNING
Beryllia
Beryllia (beryllium oxide) is used in the construction of some of the components in this
equipment.
This material, when in the form of fine dust or vapor and inhaled into the lungs, can cause a
respiratory disease. In its solid form, as used here, it can be handled quite safely although it is
prudent to avoid handling conditions which promote dust formation by surface abrasion.
Because of this hazard, you are advised to be very careful in removing and disposing of these
components. Do not put them in the general industrial or domestic waste or dispatch them by post.
They should be separately and securely packed and clearly identified to show the nature of the
hazard and then disposed of in a safe manner by an authorized toxic waste contractor.
WARNING
Beryllium copper
Some mechanical components within this instrument are manufactured from beryllium copper.
This is an alloy with a beryllium content of approximately 5%. It represents no risk in normal use.
The material should not be machined, welded or subjected to any process where heat is involved.
It must be disposed of as “special waste”.
It must NOT be disposed of by incineration.
WARNING
Tilt facility
When the instrument is in the tilt position, it is advisable, for stability reasons, not to stack other
instruments on top of it.
Static sensitive components
This equipment contains static sensitive components which may be damaged by handling - refer to
the Maintenance Manual for handling precautions.
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