MS - SOUND decoders MS440 to MS990 and MN - NON-SOUND decoders MN170 to MN340 Page 29
Bit 4:
SW version 5.00 and higher
Bit 7 = 1: Thyristor sound comes before departing
The key defined here acts as a brake key according to
the rate defined in CV #349 (the normal – higher – de-
celeration time in CV #4 is thereby ignored). 0=deac-
tivated; 1=F1, ..., 28=F28, 29=F0;
To achieve the desired effect, the deceleration time in
CV #4 must be set to a very high value (@ 50 - 250) but
the brake time in CV #349 rather low (5 - 20). This simu-
lates a coasting effect with the “regulator at 0”, while the
brake key results in a short stopping distance.
Compensation for
gear backlash during di-
rection changes
in order to
reduce start-up jolt.
SW version 5.00 and
higher
= 0: no effect
=1 to 255: in ase the driving direction was changed be-
forehand, the motor spins at minimum rpm for a defined
timespan (according to CV #2) for a specific time and
only starts to accelerate after this time has elapsed.
The time of these “idle rotations” can only be tried; typi-
cal values:
= 100: the motor turns about 1 revolution or a
maximum of 1 second at the minimum speed.
= 50: about ½ a turn or max. ½ second.
= 200: about 2 turns or max. 2 seconds.
Important: The minimum speed in CV #2 must be con-
figured correctly, so that the train moves prfecttly at the
lowest speed step (1). Also, CV #146 is only useful if
the load regulation is set to maximum or at least close
to it (i.e. CV #58 = 200 – 255).
Key
to switch key for driving
and sound performance
when driving solo
= 0: no key, no solo drive
= 1 - 28: One function key (F1 – F28) acts as the
switch-over key for driving a heavy train or a single lo-
comotive.
If the
key for solo drive
(CV #347, see above)
is activated, the
measures defined
here have to be
met.
Bit 2 already in version 4.10
bits 0, 3, 4 (only Diesel):
SW version 5.00 and higher
When driving solo (function key as per CV #347 is ON),
…
Bit 0 = 1: ... Diesel sound (sound steps)
shall rise unlimitedly at acceleration (otherwise:
limited by speed step, CV #389).
Bit 1 = 1: acceleration and deceleration times should be
reduced according to CV #3 / #4, but consider:
The reduction according to CV #390.
Bit 2 = 1: motor’s idle sound should be played back
when driving at low speeds, whereas the highest
speed step shall still be playing the idle sound set
in CV #391.
Bit 3 = 1: deactivate 2nd smoke fan and heating ele-
ment with this key (diesel loco with two engines
only drives with one).
Bit 4 = 1: Suppress brake squeal
Momentum reduction
when driving solo (en-
gine only)
When switching to solo driving with key defined in
CV #347 the momentum reduction is activated (with
CV #348, Bit 1):
CV #390 = 0 or 255: no reduction
= 128: Reduction to 50 %
= 64: Reduction to 25 %
= 1: virtually cancels it
SW version 5.00 and higher
ATTENTION: For HLU braking distances (ZIMO signal-controlled speed influence) see CV #49
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