Bit
(Decimal
Value)
7 (128)
Not
Used
6 (64)
Not
Used
5 (32)
4 (16)
3 (8)
2 (4)
1 (2)
0 (1)
F
Function
Not
Used
Not
Used
F12
F11
F10
F9
F0
(Engine
Facing
Rev)
F0
(Engine
Facing
Fwd)
Setting Up CV21 for a Consist
Cv21 allows you to set which F Functions you want the consist
address to control. For example, you will likely want all of your MTH
consist engines to respond to Start-Up/Shut Down (F3). Also, you'll
likely want at your Front engine to respond to the Bell and Horn
commands (F1 and F2, respectively) and the Front Coupler (F7 on
most MTH models). Likewise, you'll want your Rear engine to
respond to the Rear Coupler command (F8 on most MTH models).
Please refer to the table below to see which bits have what decimal
value and which F Function they correspond to.
To do this:
1.
Call up the Front engine on your DCC system
2.
To set the Front engine to respond to the Bell (F1), Horn
(F2), Start-Up/Shut Down (F3) and Front Coupler (F7) you will want
to write a value of 71 to CV21. This is setting bits 0, 1, 2, and 6 ON.
a.
CV21's bits are shown in the table below – the decimal value
is shown in parenthesis:
Bit
(Decimal
Value)
7 (128)
6 (64)
5 (32)
4 (16)
3 (8)
2 (4)
1 (2)
0 (1)
F
Function
F8
F7
F6
F5
F4
F3
F2
F1
Premier 2-4-1A Mountain Steam Locomotive
27
