SoundTraxx LC Series Owners Manual User Manual

Page 23

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LC SERIES DIGITAL SOUND DECODER OWNER’S MANUAL

23

Use Table D to calculate the correct value for CV 21 and 22. Begin by determining which func-
tions you want active in the consist and circle the number below it. When you are done, add up
all the circled numbers in the first row and program the total into CV 21. Add up all the circled
numbers in the second row and program CV 22 with the sum.

Note that each DSD-LC in the consist will require a different set of values for CV 21 and 22
depending upon your requirements.

Consist Example
Consider a common diesel lash-up consisting of three engines, #4088, #5239 and #6361. Let’s
suppose we wish to operate these three engines as a single unit with consist address 40. The
dynamic brake (F4) and audio mute (F8) functions should work on all engines. However, we
want the headlight (F0(f)), horn (F2) and bell (F1) to only work on the lead unit, #4088, and the
backup light (F0(r) ) to work only on the trailing unit,#6361. Additionally, the trailing unit is reverse
facing.

Engine 4088.
This is the lead engine. Because it is facing forward, CV19 is simply programmed with 40, the
new consist address. Using the Consist Function Enable Table, we program CV 21 with the sum
of the values corresponding to F1, F2, F4 and F8 or 1 + 2 + 8 + 128 = 139. Likewise, CV22 is
programmed to 1, the value corresponding to F0(f),

Engine 5239.
This is the middle engine. Because it is also facing forward, CV19 is programmed with the new
consist address or 40. Using the Consist Function Enable Table again, we program CV 21 with
the sum of the values corresponding to F4 and F8 or 8 + 128 = 136. CV22 is programmed to 0
since no lights are needed on this engine.

Engine 6361.
This is the trailing engine. Because it is facing backwards, CV19 is programmed with the new
consist address, 40 + 128 = 168. Using the Consist Function Enable Table, we program CV 21
with the sum of the values corresponding to F4 and F8 or 8 + 128 = 136. CV22 is programmed
to 2, the value corresponding to the backup light, F0(r).

Direction

CV 19

CV 21

CV 22

Engine Address

Normal

40

136

0

5239

Reverse

168

136

2

6361

4088

Normal

40

139

1

Lead Unit Trailing Unit

21

22

CV#

F0 (f)

1

F0 (r)

2

F1)

1

F2

2

F3

4

F4

8

F5

16

F6

32

Table D. Consist Function Enable

F7

64

F8

128

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