Installation manual

Page 6
The speakers mount like any standard external speaker and are
powered by any 12 24 vdc unregulated power source. You can
use the optional bhi external power supply or in-vehicle adapter.
The NES10-2 and NES-5 come as standard with a 2m audio lead
terminated with a 3.5mm mono jack plug ready for immediate use.
1.3 Audio DSP Noise cancellation.
The bhi DSP processes the incoming audio signal and then differenti-
ates the speech from the noise. The unwanted noise and interference
are then attenuated to leave only the speech.
The following diagrams are taken from actual audio signals and
illustrate how the audio signal is being processed.
Original signal.
Speech with a lot of
background noise
Speech Noise
Figure 1. Audio signal before processing.
Page 27
NEDSP1062 Amplied DSP mod-
ules.
These are as the NEDSP1061 modules,
except they feature an integral 2.5W rms
poweramplier.Theyareideallysuited
forttingintheloudspeakerpathof
equipment, or indeed into a loudspeaker.
They feature single button operation with
selectable 4 or 8 levels of noise reduction.
Order code NEDSP1062-KBD
The Radio Mate compact keypad for the Yaesu
FT817, FT857 and FT897 enables the
user to get the best out of their radio.
It has been designed to make many
of the common functions quick and
easy to use. The keypad does this with a
number of fast, effective shortcuts.
Radiomate.
DSP Noise Cancelling as Easy
as 1-2-3
1 - Plug in Audio
2 - Connect Loudspeaker
3 - Connect Power
Giving You..........
Noise Free Listening
ANEMNoise Away”