CV 14: Difference between revisions
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NMRA CV 14 - Alternate Mode Function Status F9-F12
Indicates the status of each function (F9 through F12, & FL) when the unit is operating in alternate power (DC) mode, which cannot control the functions. If a function can be controlled, then the corresponding bit is ignored.
If the bit for a function output is "cleared," this indicates the function is disabled on DC power. If the bit for a function output is "set," this indicates the function is enabled on DC power. CV 12 is a bitwise CV, where FL in the forward direction is controlled by bit 0, FL in the reverse direction is controlled by bit 1, bit 2 corresponds to F9, and Bit 5 corresponds to F12. See the chart below:
| Feature | Value |
|---|---|
| Function 0 Forward | 1 |
| Function 0 Reverse | 2 |
| Function 9 | 4 |
| Function 10 | 8 |
| Function 11 | 16 |
| Function 12 | 32 |
The SUM of the desired functions active while operating in DC mode must be programmed into CV 14. A value of 255 enables all light functions on DC power.