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2.5 NES10-2 basic set-up procedure
and
operation
1. Connect the bhi power supply or a suitable 12 to 24 Vdc power
supply to the power socket at the back of the NES10-2 MK3.
Note: Make sure the centre pole of your power sup
-
ply connector is connected to positive (+ve).
Switch the power switch on.
2. Switch the noise-cancelling switch off. The front panel LED
should be illuminated red.
3. Turn the sensitivity control fully anticlockwise, and then back a
quarter of a turn.
4. Connect the audio lead to your external speaker socket using
the 2m audio lead with 3.5mm jack plug. If your external speaker
socket is not a 3.5mm jack socket, then audio lead adapters are
available from bhi. A 2 metre audio extension lead is available if
your equipment is more than 2m away from the NES10-2 MK3.
(see section 5)
5. Set the rotary noise cancellation filter level switch to level 6 to
start with.
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Operators voice can be heard when transmitting.
All bhi products operate correctly under normal working condi-
tions. However if problems with feedback are experienced during
transmisison then the following measures may help.
1.
Reduce the sensitivity control (NES10-2 only)
2.
Connect the speaker to a separate power
supply (available from bhi - see section 5).
3.
Ferrites
Wind as many turns as possible
around the ferrite
Audio Lead
If problem persist then fit another ferrite at the other end of the
lead close to the audio connector
Figure 6. Audio lead
Figure 7. Audio lead
1” (25mm)
ferrite ring
