User Manual

CV Register Description Range Default
CV1 R1 Short address 1-127 3
CV2 R2 Start voltage 0-32 0
CV3 R3 Acceleration 0-32 0
CV4 R4 Deceleration 0-32 0
CV5 --- Top voltage 0-32 32
CV6
Speed curve select (0=linear, 1=slow
increase at slow speed, 2=fast
0-2 0
--- R6 Page number --- ---
CV29 R5 Basic configuration --- 2
CV7 R7 Manufacturer version number --- 32
CV8 R8 Manufacturer ID --- 143
CV17 --- Long address upper byte 192-231 192
CV18 --- Long address lower byte 0-255 3
CV19 --- Advanced consist address 0-127 0
CV50 --- Horn type 0-16 4
CV51 --- Horn volume 0-3 3
CV52 --- Bell type 0-6 3
CV53 --- Bell volume 0-7 3
CV54 --- Bell ring rate 0-50 3
CV55 --- Diesel rumble volume 0-3 3
CV56 --- Brake squeal volume 0-3 3
CV57 --- Dynamic brake volume 0-3 3
CV58 --- Air release volume 0-3 3
CV59 --- Air pump volume 0-3 3
CV60 --- Safety pop valve volume 0-3 3
CV61 --- Engine cooling fan volume 0-3 3
CV62 --- Coupling volume 0-3 3
CV63 --- Random noise volume 0-3 3
CV64 --- Rail wheel clack 0-3 3
CV105 --- User identification number 0-255 0
CV106 --- User identification number 0-255 0
CV113 --- Coupling fire volume 0-3 3
CV114 --- brake release volume see chart 0
CV115 --- Auto brake squeal enable/disable 0-1 1(enable)
CV116 --- Coupling sound type 0-2, 0=off 1
Diesel notch mode, 0=auto-notch
3=manual notch
CV123 --- Prime mover sound (2- types) 0-1 0
CV125 ---
Factory def ault setting: Programming to 1
w ill restore all CV's to def ault setting
--- 0
0CV21 ---
When CV21=0, all accessory functions w ill
follow its ow n address. When CV21=1, all
functions w ill follow the consist address
---
CV122 --- 0-3 0
N Gauge DCC/DC Synchronized
Diesel Sound Decoder with
28 Accessory Sound Functions
Item #0001645
Thank you for purchasing our highly advanced dual mode DCC/
DC locomotive sound decoder. Combined with any DCC
System or the MRC BlackBox, our new decoder with authentic
diesel sounds will truly make your model railroad come to life.
Two selectable diesel prime mover types with
randomly associated locomotive sounds
User selectable 16 different horns and 8 bells
28 accessory functions allowing more sound control
than ever
Programmable individual sound volumes
1.0 amp capacity
Programmable for either 2-digit (1-127) or 4-digit
(1-9999) addresses
Programmable start voltage
Programmable acceleration rate
Programmable deceleration rate
Programmable top voltage
Programmable 14, 28, 128 speed steps
Selectable factory default speed curve
Supports advanced consisting (CV19)
Supports programming on the main (OPS mode)
Compatible with NMRA DCC standards
Complies with Part 15 of FCC
13mm speaker included
PCB size: 90 x 14 x 4.2mm
Directly replaces Kato GE P42 and EMD E8/9 PC
Boards
TROUBLE SHOOTING
The MRC 0001645 N diesel sound decoder should perform well with all DCC
systems. See your DCC system manual to learn how to program and operate the
decoder. For more information about register/CVs and their functions, please
refer to the NMRA DCC Standard & Recommended practices, RP-9.2.2 this is
available directly from the NMRA or their website at www.nmra.org.
Due to the nature of all sound decoders, the CV read back is not 100% correct. So
this feature is not supported in the decoder. This is not a defect of the decoder or
your DCC system.
Whenever the decoder doesn’t work please use program track to re-program the
loco address or program CV# 125 with value 1 to restore the decoder to factory
setting. This should bring the decoder to life.
FCC COMPLIANCE
This device complies with the part 15 of FCC rule. 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 interfer-
ence that cause undesired operation.
RETURN PROCEDURE
If it should become necessary to return your decoder, unplug the decoder and
return the decoder only. Please include a letter (printed clearly) with your name,
address, a daytime telephone number, and a detailed description of the problem
you are experiencing. Please also include a $25.00 check for shipping and
handling. Be certain to return only the decoder.
Send the decoder to:
Model Rectifier Corporation
Attn: Parts & Service
80 Newfield Avenue
Edison, NJ 08837-3817 U.S.A
PROGRAMMING
This decoder supports all programming methods including: register, paged CV,
direct CV, and programming on the main (ops mode programming).
2007 MODEL RECTIFIER CORPORATION
80 NEWFIELD AVENUE
EDISON, NJ 08837-3817
Note: Due to limitations in older DCC systems, some of the sound functions or
light effects functions may not accessable. ALSO, you might be limited to
factory default CV values.
Printed in USA

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