SMD-300 Selective Pulse Metal-Detector User Manual
STT Group - Special Technique & Equipment
Moscow
Russia
24
ATT-
active attenuation value is displayed
‘by convention’
from
‘0’
to
‘4’
- ‘0’
signifies that input signal exceeds receiver‟s noise level
but not more then 60 dB.
-
Every step
‘1’
-
corresponds to automatic 10 dB attenuation
of receiver‟s input and so on - up to 40 Db.
ATT
-attenuator
value
Fig.19
