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Changing the Decoder Address

The first CV most people change is the decoder address. This allows you to inde

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pendently control each loco with a unique address. Digitrax decoders are shipped 

with CV01 (AD2), the two digit address, set to 03. Following is a brief description 
of how to change the decoder address with a Digitrax DT4XX series throttle. See 

your Starter Set Manual for complete programming instructions. 

1.  Place the loco on the 

programming track not to exceed 16V

. Go into 

Program Mode on your system. On DT4XX throttle press 

PROG

2.  Choose AD2 for 2 digit addressing or AD4 for 4 digit addressing.

3.  Choose the address you want to set up for the decoder.
4.  Complete address programming by pressing 

ENTER

Note: 

CV29 must also be programmed to enable 4 digit addressing, this is done 

automatically by the DT4XX throttles. See your Digitrax Decoder Manual or the 
Digitrax Toolbox App for how to set up CV29.

Digitrax LocoMotion

®

 System

Your locomotives look like the real thing, now you can make them run like the 
real thing, too. Digitrax decoders incorporate torque compensation for smooth 
as silk operation. You can also program CVs that control momentum, 3 step and 

128 step speed tables, switching speed, normal direction of travel, scalable speed 

stabilization and more to take full advantage of the Digitrax LocoMotion System.

 

Momentum-CV03 & CV04

Momentum is part of the LocoMotion System. Acceleration is controlled by CV03 
and deceleration by CV04. Both come from the factory set to 000. A range of 000 
to 031 is available for both accel and decel. Try CV03:003 and CV04:000 as a 

starting point for experimenting with momentum.

Speed Tables-How the Loco Responds to the Throttle

With Digitrax LocoMotion, there are two types of speed tables: 3 Step Tables and 
High Resolution 28 Step Tables. Please see your Decoder Manual for a discussion 
of the 28 Step Tables. The 3 Step Tables are set up by programming 3 CVs: Start 
Voltage (CV02), Mid point Voltage (CV06) and Max Voltage (CV05). These values 
are set at 000 at the factory. All have a range of values from 000 to 255. We rec

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ommend the following CV values as a starting point for experimenting with speed 
tables.

 

Summary of Contents for DN166I2B

Page 1: ...teps can also be used Momentum with acceleration and deceleration Normal Direction of Travel is user selectable Switching Speed feature for easier and faster access to yard speeds 3 Step Speed Tables set start mid and max voltage for custom control 28 Step Speed Tables with 256 level resolution for precise control Program CVs using any Digitrax Compatible Control system without having to buy any e...

Page 2: ...the shell is off remove the existing light board by removing the two screws located on the diagonal corners of the board and unsoldering the motor and light connections Note It is important to make sure the motor and LED are electricaly isolated from the frame For full details visit www digitrax com funit 4 Take the new DN166I2B decod er and feed the motor leads up through the holes as show in Fig...

Page 3: ...s Lamps that draw more than 80 mA when running require a 22 ohm 1 4 watt resistor in series with the directional light function lead to protect the decoder 6 Some locomotives employ filter capacitors for RFI suppression in the loco motive wiring These may cause problems with Supersonic decoders and non decoder analog operation on DCC This capacitor should be removed for safe operation Customizing ...

Page 4: ... like the real thing now you can make them run like the real thing too Digitrax decoders incorporate torque compensation for smooth as silk operation You can also program CVs that control momentum 3 step and 128 step speed tables switching speed normal direction of travel scalable speed stabilization and more to take full advantage of the Digitrax LocoMotion System Momentum CV03 CV04 Momentum is p...

Page 5: ...ffectively reduced by about 50 and the effects of accel and decel programmed into the decoder are reduced by 1 4 This is useful for yard switching operations Normal Direction of Travel is controlled by CV29 See your decoder manual or the Digitrax Toolbox App for additional information on the settings for CV29 The intensity or droop of Scaleable Speed Stabilization Back EMF is controlled by CV57 Th...

Page 6: ...function outputs can be easily set up with Digitrax FX3 lighting effects or as standard on off functions with the following operational qualifiers 1 Forward or Reverse direction of travel or 2 Whether F0 is on or off or 3 Both direction of travel and whether F0 is on or off or 4 Whether the locomotive is stopped or moving Function Remapping Function remapping allows you to program the function out...

Page 7: ...t CV08 Decoder reset lets you reset all CV values to the initial factory settings To reset all CV values program CV08 to a value of 008 You also have the option of resetting all the CV values except the 28 speed step tables To do this program CV08 to a value of 009 Warranty Repair Digitrax gives a one year No Worries Warranty against manufacturing defects and accidental customer damage on all Digi...

Page 8: ... Super TM 0 0 0 0 2443 Transmitter Road Panama City FL 32404 www digitrax com Contact www digitrax com contact Support techsupport digitrax com Repair repair digitrax com DN166I2B Fits New InterMountain N Scale FP 7 units released 2014 Made in the USA TM Part 15 Class B RFI Compliant ...

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