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of the fans (blowers) in electric engines is now separa-
te. Additional sound effects can be activated by
pressing a function button (F1 – F12). Random sounds:
sound effects such as air pump, water pump, shoveling
coal, discharging compressed air, etc. are randomly
triggered. Such sounds can be configured differently
for stationary or moving engines.
3. Installation of LokSound decoders
Installation of LokSound decoders
Installation of LokSound decoders
Installation of LokSound decoders
Installation of LokSound decoders
3.1. Connecting LokSound decoders in HO,
TT, N, O gauge models
3.1.1 Installation requirements
The engine must be in good mechanical condition:
only an engine running smoothly in analogue mode
should be modified for digital operation. An engine
running poorly in analogue mode will not operate
satisfactorily in digital mode – even with the best
digital decoder. Check and clean or replace any wear
and tear parts such as motor brushes, wheel contacts,
lamps etc.
Always remove the engine from the track when doing
maintenance work or modifications. Make sure that
no voltage is applied – intentionally or accidentally –
while you work on the model.
LokSound decoders have a certain size: make sure,
that the decoder fits easily into the engine, that no
pressure is applied when replacing the housing onto
the chassis and that no wires are squeezed between
other parts. Further, make certain that moving parts
such as transmissions and trucks are not obstructed
by wires.
Never pack a LokSound decoder in foam pads etc.
The decoder heats up during operation; good heat
dissipation is essential.
Electronic components are sensitive to
electrostatic charges: always make sure that your
work place is grounded. If necessary, use an
earthed wristband.
When installing the decoder make sure that no metal
part of the chassis touches any components of the
decoder.
In conjunction with trained and experienced specialists
ESU GmbH & Co. KG offers a conversion service
(modification from analogue to digital).
user manual LokSound / LokSoundXL V3, 1st edition, 07/2004
Installation of LokSound decoders
Installation of LokSound decoders
Installation of LokSound decoders
Installation of LokSound decoders
Installation of LokSound decoders
Pin Description
1 motor terminal right
2 back-up light
3 function F1
4 current pick-up 1
5 motor terminal left
6 headlight
7 common (+pole)
8 current pick-up 2
red
black
Figure 1: NEM 650/652 interface
3.1.2 Engines with DCC interface
LokSound is supplied with an 8-pin plug as per NEM
650/652 (NMRA S9.1/9.2) as shown in figure 1
Installation in engines with NEM socket is particularly
easy:
• Remove the body! Follow the instructions in the
manual of the engine!
• Remove the analogue plug or directional relay. Please
keep the plug / relay for future use
• Insert the decoder plug with pin 1 (the side with
the red/orange wire) into the side of the socket
that is usually marked with *, +, • or 1. Take care
not to bend any pins. Do not rely on the assumption
that the wires have to lead in a certain direction,
the marking is the only valid reference.
• Place the decoder in a suitable location within the
engine and fasten it with double sided tape or a
drop of hot glue.
• Now fix the speaker in a suitable place. See chapter
3.2.4
Colour code
orange
yellow
green
black
grey
white
blue
red
5
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