Stewart
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HO Scale

Northcoast D102US installed in F7A.  Two yellow LEDs, one for the headlight, lower position and the other for the Mars light.

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ho_f7a_2.jpg (15373 bytes)

Northcoast D102US installed in FT-A.

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Soundtraxx DSD-C628LC and Zimo MX-61/N 2000 installed in C-628.  I wanted full lighting effects as well as great motor control with BEMF and silent drive.   Zimo decoder is under the LC, above the front flywheel.  The LED flying off the front will be mounted in the nose of the loco as the gyralight.

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Function

use

ST LC

 Zimo LED

F0

headlight & num

-

white

3mm white

number boards

white-FX1

-

SMT yollow

F1

rear light

-

yellow-

3mm white
rear number boards yellow - SMT yellow

F2

horn

sound

-

-

F3

bell

sound

-

-

F4

yellow class light

-

brown

bright SMT yellow

F5

green class light

-

green

bright SMT green

F6

number boards

white-FX1

-

SMT yellow

dimming

-

effect

-

F7

signal light

FX2

-

3mm white

F8

dynamic brakes

sound

-

-

The number board LEDs are mapped to both F0 & F6 so that the number boards are on if the headlight is on (either bright or dim), but also if you turn off the headlight and enable the dimmer (nothing actually dims as the headlight is off) then the number board lights can be on by them selves with out dedicating a function number just for them. To do that, I had to turn the Rule 17 bit on the Hyperlight CV for the headlight (CV49), to allow the headlight output to respond to FX1 function mapping to allow it to be activated by F6.  For the class lights, I replaced the Soundtraxx SMT LEDs with 300 MCD versions for www.eLED.com.