ATEN Altusen KA7171 User Manual page 33

 Only adjust those controls that are covered in the operating instructions.
Improper adjustment of other controls may result in damage that will
require extensive work by a qualified technician to repair.
 Additional protection to secure and fix the equipment is needed if the
equipment is installed by stacking; by locking it to the rack, screwing it to
the frame, or other similar methods.
 Keep the Cat 5e/6 cable as far away as possible from potential sources of
EMI, such as electrical cables, transformers, and light fixtures. Do not tie
the cables to electrical conduits or lay the cables on electrical fixtures.
Appendix
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