Welby BDH 612 Manual Del Usuario página 52

Notes on electromagnetic interference immunity
52
Where P is the nominal output
of the transmitter in watts (W)
in accordance with the spec-
ifications of the transmitter
manufacturer and d is the rec-
ommended safety clearance in
meters (m). The field strength of
stationary radio transmitters is
lower for all frequencies accord-
ing to an inspection on location
than the compliance level
Disturbances are possible within
the vicinity of devices that bear
the following graphic symbols.
a
.
b