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Railsounds Upgrade
I
nstallation is as follows: using kit 6-22964,
which includes two plug-in circuits.
Remove the cab from the chassis as shown
on page 7. Unplug the Signal Sounds circuit
with the aluminum heat sink and set it
aside. (You will want to store this in the stat-
ic resistant packaging from the upgrade kit).
Plug the RailSounds sound card into the slot
marked "AUDIO". (The sound card can be
identified by the large square chips/recepta-
cle on both sides). Plug the power supply
card into the slot marked "POWER"(The
power supply card has the large coil).
Lastly, you may choose to install a 9-volt
alkaline battery in your SD-60/70. This
ensures interruption free operation of Rail-
Be sure these are plugged in correctly, or RailSounds will not function. Damage
Note!
may occur if the engine is operated with these circuits in the wrong locations!
sounds. Connect the 9-volt alkaline battery
to the battery clip as shown below. If no
other upgrades are to be made, recab the
engine reversing the cab removal steps. Your
engine will now have RailSounds including
horn and bell which respond to your sound
activation button, and engine sounds which
respond to the speed of the locomotive and to
track voltage. Other random realistic sounds
will occur, listen for these. For even more
sounds and command control of your
engine, install the command upgrade kit 6-
22960 (sold separately). The next section
includes detailed instructions for this
upgrade.
11
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