Printed in USA
MRC DIESEL AC SOUNDER
TM
Alco244/SD60/SD70/EMD567B Prime movers
Item 0001815
Thank you for purchasing this product. This sound unit will make your
conventionally operated, 3-rail AC locomotives, and your analog DC “G” , or 2
rail “O” scale locomotives come to life. Your power pack controls your
locomotives speed and direction, and the synchronized diesel rumble follows
along.
Note- this sound unit requires at leat 5 volts to start up, some locomotives
may start moving at 2 or 3 volts and will have no sounds until it reaches 5
volts. This is normal and not a defect in the product. If you need the locomotive
and sound system to start up together, contact MRC at 732-225-6360, to
purchase an optional voltage reducer that gets hooked up in parallel betwen
the locomotives pick ups and locomotives motor[s].
With MRC’s patented technology brief power outages like dirty track, or directional
changes will not affect the sound unit.
Please note that some soldering is required to install this product in a
locomotive, and it is not compatible with DCS
®
, TMCC
®
, or DCC. Using this
sound unit inside of a dummy locomotive, or piece of rolling stock with the
aforementioned systems will not harm it. It will still operate properly if it is used
with the optional transmitter.
*Tip-
To use this sound module with the aforementioned control systems, set
the sound unit for
“manual notch”
on, and use the transmitter to control engine
RPM’s, [or the prime mover sound will constantly be in a state of high RPM’s].
The transmitter can also control the horn, bell, dynamic brakes, etc., of the
second locomotive giving you double the sound power when combined with
another sound locomotive.
When used with an AC power pack you will have synchronized prime mover
sounds, and the bell and horn can be controlled by the activation buttons on
your present power pack, (if so equipped).Changing the horn type and prime
mover type can be performed with the direction, horn and bell buttons if your
present A.C. power pack has these features, without the need for the optional
transmitter.
When used with a DC power pack you will just have synchronized prime mover
sounds. To access the extra sound functions the transmitter should be
purchased.
Installation of this product inside your locomotive may affect your
locomotives warranty.
pulling a heavy load, yet the prime mover speed can be at almost full RPM’s. This is
what railroaders refer to as a “
labored sound
”. You can recreate this locomotive
laboring sound by entering the program mode, and setting the sound unit for “
manual
notch on/off
”,
pressing button # 3 in the program mode
. When this feature is activated,
the power packs throttle control will have no effect on the prime mover sound. The
sound will remain at idle no matter how fast or slow the locomotive is going with the
throttle control. You, acting as the Engineer, control the prime mover RPM. rate by using
button # 7 on the transmitter to rev up the prime mover, and button # 8 on the
transmitter to rev down the prime mover. This realistic operation lets you simulate the
labored sound of a heavy train climbing a hill, moving very slowly, but with its motor at
max RPM’s. Of course when the train starts speeding up moving downhill the
experienced Engineer will push button # 6 on the transmitter to start the dynamic brake
sound going, use button # 8 to lower the RPM’s, and adjust the power packs throttle
control to slow down the traction motors. Once you notch down all the way to idle, the
track sanders will kick in with an audible air release, (keep pressing button # 8).
Note: To enter the program mode hold button # 6 while turning up the power packs
throttle knob.
Note: * Press button 6 first and wait two seconds before pressing another button
Note: Press button 6 three times will exit the program mode. An air release will
sound to acknowledge exiting programming
Note: Press button 9 three times will disable bell/horn from power pack
RETURN PROCEDURE
This sound unit carries a 6 month warranty against factory defects. This warranty does
not include abuse, misuse, neglect, improper installation, or any modifications made
to this sound unit. If it should become necessary to return the sound unit for warranty
repair/replacement, please include a copy of the original sales receipt. Please include
a letter (printed clearly) with your name, address, daytime phone number, and a
detailed description of the problem you are experiencing. Please also include a check
or a money order for $8.00 to cover return shipping and handling. If the sound unit is
no longer considered under warranty, then please include a check or a money order for
$18.00 to cover the cost of repair or replacement and return shipping and handling. Be
certain to return the sound unit only.
Any questions regarding Warranty Policy can
be directed to our Customer Service Department by calling 732-225-6360 between
the hours of 8:30am and 6:00pm EST, or by emailing: [email protected]
Send the sound unit to:
Model Rectifier Corporation
Attn: Parts & Service
80 Newfield Avenue
Edison, NJ 08837-3817 U.S.A
Button
Run
Program
Program (button 6 first)*
Button1
Bell on/off
Change bell
Change bell volume
Button2
Horn
Change horn
Change horn volume
Button3
Air hose firing/uncoupling lever
Manual notch on/off
Change Air hose firing volume
Button4
Coupling
Change Coupling type
Change Coupling volume
Button5
Brake release
Change brake volume
Change dynamic brake volume
Button6
Dynamic brake
Program shift
Program shift
Button7
Air release/notch up
Increasing sensitivity
Change air release volume
Button8 Air release/notch d
own
Decreasing sensitivity Bell rate change
Button9 Sound on /of
f
Change diesel type Change diesel volume
