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Safety Notices
Definitions of Safety Notices
Acoustic Noise Declaration
For a translation of the danger and caution notices contained in this book, see
Appendix B, "Translated Safety Notices", on page 81.
A danger notice indicates the presence of a hazard that has the potential of causing
death or serious injury.
A danger notice appears on page 46.
A caution notice indicates the presence of a hazard that has the potential of causing
moderate or minor personal injury.
Caution notices appear on pages 43, 45, 54, 63, 65, and 72.
An attention notice indicates an action that could cause damage to a program,
device, system, or data.
The equivalent continuous A-weighted sound pressure level at the bystander's
position measured for a 2104 Model DU3 or TU3 does not exceed 68 dB(A). This
level has been measured under the following conditions:
v Rack-mounted unit:
– The 2104 Model DU3 had fourteen disk drive modules installed.
– The 2104 Model DU3 was installed in a 7202 Rack with the bottom of the
2104 Model DU3 system at EIA position 17.
– The remainder of the rack was filled with units to which power was not
connected.
v Deskside unit:
– The 2104 Model TU3 had fourteen disk drive modules installed.
These levels were measured using a procedure in accordance with ISO standard
DIS7779, Measurement of Airborne Noise Emitted by Computer and Business Equipment.
The equipment was installed and operated as described in Appendix C.8 of that
standard.
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