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Components
Detector
Helmet exterior
support
20
21
The device is sensitive to static electricity and
may sound discontinuous alarm signals when
levels are high.
It does NOT
work with DC electrical signals, nor behind
conductive structures such as the human body, metallic
elements that are grounded, trees and hedges, shielded
cables, underground cables, etc.
Faced with obstacles
In DC
Metallic structures grounded