DD40AX Diesel Engine
29
To set this consists up so that:
The
Headlight is ON in the Front engine when going Forward, OFF when the consist is in
Reverse
The Reverse light and headlight is OFF in the Rear engine when the consist is going
Forward, headlight is ON, reverse light is OFF when the consist is in Reverse
The Middle engine has no lights in either direction Perform the following:
1. Build the consist using your DCC system per the DCC system’s manufacturer’s
instructions. In many newer systems you have the ability to tell the system which engine
is reversed. Remember the consist address you told the DCC system to be built at as
you’ll need to come back to that address to actually run the consist. The instructions
assume only CV19 gets the consists address and nothing more
2. Call up the Front engine on your DCC handheld; address 1 in this example
3. Select CV22 and write a value of 1. This tells the engine that it’s a forward facing
engine and that you want F0 to control the FL function at the consist address. The engine
will give you two horn blasts to announce that it received the CV change
4. Ensure F0 is deactivated at the Front engine’s address. Most systems have a light bulb
icon to indicate whether F0 is active or not. Ensure that it is OFF
5. Call up the Rear engine on your DCC handheld; address 3 in this example
6. Set CV19 to 128 + the value of your consist address -So, if your consist address is 4
you would add 128+4=132. You would write 132 to CV19. This tells the Rear engine
that it’s reversed in the consist. You will get two horn blasts to announce that it received
the CV change. Some DCC systems may already do this for you but the instructions
assume your system does not. If you are in doubt then go ahead and follow step 5 as it
will do no harm
7. Set CV22 to a value of 2 to the Rear engine’s address to tell the Rear engine that you
want to control its FL control with the F0 button at the consist address. The engine will
give you two horn blasts to announce that it received the CV change
8. Ensure F0 is deactivated at the Rear engine’s address. Most systems have a light bulb
icon to indicate whether F0 is active or not. Ensure that it is OFF
9. Call up the Middle engine on your DCC handheld; address 2 in this example
10. Ensure F5 and F0 are toggled OFF. You may have to toggle F5 on/off a couple times
to get the lights in sync with the DCC command station. This will depend upon your
DCC system
Summary of Contents for 20-20566-1
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