CV 14
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NMRA CV 14 - Alternate Mode Function Status F9-F12
CV 14 configures the active/inactive status for each lighting function output (F9 through F12, & FL) when the unit is operating in alternate power (DC) mode, which cannot control the functions. If a function cannot 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 output is enabled on DC power. This configuration affects the physical outputs on the decoder, not the button numbers! If you have remapped a lighting output to a different button, that will not affect this configuration. Note also that you must set up this CV to use the correct lighting outputs, not button numbers.
NOTE: If a lighting output has been programmed with a lighting effect, such as a Mars light, that feature will continue to operate while on DC power.
CV 14 is a bitwise CV, where F0 in the forward direction is controlled by bit 0, F0 in the reverse direction is controlled by bit 1, bit 2 corresponds to F9, and Bit 5 corresponds to F12. See the chart below:
| CV14 - DC Mode Lights | |||
|---|---|---|---|
| Bit | Feature | Value | Default |
| 0 | Function 0 FWD | 1 | ON |
| 1 | Function 0 REV | 2 | ON |
| 2 | Function 9 | 4 | ON |
| 3 | Function 10 | 8 | ON |
| 4 | Function 11 | 16 | ON |
| 5 | Function 12 | 32 | ON |
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.
