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Adapting the Driving Characteristics
10. Adapting the Driving Characteristics
10.1. Acceleration and Deceleration
Acceleration and brake time can be set independently from each
other. Therefore, you could for instance program a short accelera-
tion and a much longer brake time.
The time for accelerating is adjusted in CV 3 while deceleration is
set in CV 4. Permitted values are 0 (no delay) to 63.
The times set in these CVs work speed dependant. Therefore, the
acceleration distance and the brake distance are longer at high
speeds. In other words, the faster the locomotive moves, the lon-
ger is the distance until it stops.
For information on how to set a brake distance independently of
the speed refer to chapter 10.6.
10.1.1. Switching Acceleration / Deceleration
LokSound decoders can deactivate acceleration and deceleration
by the push of a button. This is particularly handy for shunting
since your locomotive responds directly to the throttle.
The default setting for this function is function button F4.
10.1.2. Shunting Mode
The default setting for the shunting mode is F3. It reduces the
speed to about 50%. Thus, you have smoother control of your
locomotive in the lower speed ranges, which is important for
shunting, particularly in the 14-speed-step mode.
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10.2. Starting Voltage, Maximum and Medium Speed
LokSound V4.0
LokSound micro V4.0
LokSound decoders know internally 256 speed steps. They can be
adapted to the characteristic of the locomotive and allocated to
the actually available speed steps (14, 28, or 128).
The NMRA defined two options to facilitate this:
Motor characteristic via CV 2, 5, and 6 (Fig. 15): Enter the start
voltage in CV 2 and the maximum speed in CV 5. CV 6 corre-
sponds with the speed at a medium speed step. Thus, you can
define a "kink" in the speed curve. This mode is active if bit 4
= 0 in CV 29.
The values of the start, mid and maximum speed are dependent
on each other. Selecting a mid speed that is lower than the start
speed or higher than the maximum speed could lead to some
erratic driving performance. Therefore always adhere to the prin-
ciple: start voltage < mid speed < maximum speed.
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32
CV 2
1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
Figure 15: Speed settings using CV 2, 6, 5
CV 5
CV 6
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