Page 58 MS - SOUND decoders MS440 to MS990 and MN - NON-SOUND decoders MN170 to MN340
Functions are required for driving situations where the correct engine sound cannot be derived from
speed, acceleration, and load only.
Primarily in diesel locomotives (but not necessarily limited to diesels), the motor’s idle sound or a certain
specified speed step sound is enforced by keystroke.
This method can be used for “downshifting” (often to neutral) as well as “upshifting” (i.e. elevated idle for
heating). Future software versions will expand this function to a fully independent sound effect.
CV
Denomination
Value-
Range
De-
fault
Description
#374
Coasting-Key
(or Notching)
for diesel sound pro-
jects
0 - 29
0
Function key that activates “Coasting“, which forces the motor
sound to a specified speed independent of the driving situation.
Define the (sound) step in CV #375 (often used for idle sound
while coasting).
= 0: does NOT mean F0, but rather that NO key is assigned
for coasting.
= 1 - 28: One of the function keys F1 -
F28 for “Coasting“, 29
= F0
#375
Coasting step
(or Notching)
0 - 10
0
Motor sound (speed) to be activated with the coasting key (as
per CV #374), independent of the driving situation.
=0: Idle sound (typical coasting situations)
= 1 - 10: Sound step (Diesel engines typically have 5 to 10
notches, which can be activated with the coasting key
(e.g. to represent auxiliary heating at standstill).
#398
Automatic
Coasting
0 - 255
0
The number of speed steps the train’s speed has to be reduced
within 0.5 seconds in order for the automatic coasting effect to
set the motor sound to idle (without assigning a coasting key
above). This effect does not occur at slowly reducing the speed
steps.
It is especially expedient for diesel engines to be able to
raise the sound step manually
with a function key.
CV
Denomination
Value-
Range
De-
fault
Description
#339
Key for raising
of diesel sound step
0 - 28
0
Function key that raises the diesel sound to the minimum
speed defined with CV #340.
See below if more keys for further speed raises are required.
#340
Diesel sound step,
to which is to be
raised, and possibly
more keys.
0 - 10
0
The minimum diesel step the sound is to be raised to with the
function key defined with CV #339. This CV can be extended
(to include more function keys (in succession) by applying the
formula: Minimum speed step + (16 * (Number of keys -1))
Содержание MS450
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