User Manual

MRC SOUNDER
TM
Diesel Sound Decoder with 4 Prime
Mover Sounds
Item 0001666
Thank you for purchasing our highly advanced DCC diesel sound only decoder.
Combined with any non-sound power decoder installed in your locomotive, and
used with your favorite DCC System, our new sound only decoder with
“Carnegie Hall” sound quality will make your model locomotive come to life.
• Easy installation - two wire only
• Four types of synchronized diesel prime: Alco 244/SD60/SD70/
EMD567B
• 28 functions (F1 - F28)
• 2 or 4-digit (1-9999) addressing
• Programmable 14, 28, 128 speed steps
• Programmable acceleration rate, deceleration rate
• Programmable user selectable 34 different horns and 8 bells
• Programmable individual sound volumes
• Supports advanced consisting (CV19)
• Supports programming on the main(OPS mode)
• Compatible with NMRA DCC standards
• Complies with the part 15 of FCC
• 28mm speaker included
• Dimensions: 17.4mm x 17.4mm x 4.0mm
*Note- Instead of using CV3 and CV4, the decoder uses CV120 and CV121 as acceleration and
deceleration rates. So you can change its acceleration and deceleration rates without changing
CV3 or CV4 in your power decoder, if you already have these rates tailored for your locomotives
optimum performance.
ADDRESS PROGRAMMING
The “MRC Sounder” comes with a factory default address of #3, and 28 speed steps. If your
locomotive has a different address, and speed step already programmed into it, place the
locomotive, with decoder and MRC Sounder installed, on your program track and re-program it
to the address you had originally programmed it to. While it is on the program track, also re-
program the locomotive to the speed step of your choice, (14-28/128). Since the decoder does
not have a motor driver, you can’t read back its CV.
ADDITIONAL INFORMATION
The MRC Sounder synchronized diesel sound only decoder should perform well when used with
other brand command systems, and decoders. See your DCC command stations manual to learn
how to program and operate any decoder. For more information about register/CVs and their
functions, please refer to the NMRA DCC Standard & Recommended practices, RP-9.2.2 available
directly from the NMRA or their website at www.nmra.org.
FCC COMPLIANCE
This device complies with part 15 of FCC rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) This device must accept
any interference received, including interference that may cause undesired operation.
RETURN PROCEDURE
This decoder carries a 6 month warranty against factory defects. This warranty does not
include abuse, misuse, neglect, improper installation, or any modifications made to this decoder,
including but not limited to the removal of the NMRA plug if applicable. If it should become
necessary to return the decoder 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
decoder is no longer considered under warranty, then please include a check or a money order
for $12.00 to cover the cost of repair or replacement and return shipping and handling. Be
certain to return the decoder 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: [e-mail]
Send the decoder to:
Model Rectifier Corporation
Attn: Parts & Service
80 Newfield Avenue
Edison, NJ 08837-3817 U.S.A
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 2007 MODEL RECTIFIER CORPORATION
80 NEWFIELD AVENUE
EDISON, NJ 08837-3817
Printed in USA