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Tuning your SD40's performance
MOMENTUM
TrainMaster Command's momentum
feature simulates the labored performance
of a locomotive pulling a heavy load. Press
L, M, or H (located under CAB-1's remov-
able panel) for light, medium, or heavy
momentum. The SD40's LCRU remembers
this setting until you change it. For quick
locomotive response, choose L.
BRAKING AND BOOSTING
There's more to starting and stopping
than just turning the CAB-1 throttle. Use
the BOOST and BRAKE command but-
tons—they give you incremental control of
speed and are the superior way to handle
grades, gradual stops-and-starts, and
more. Plus, using BRAKE in the Command
environment gives you a bonus
Railsounds effect—the ultrarealistic sound
of squealing brakes.
SOUND QUALITY
To achieve your preferred Railsounds
master volume level, we recommend you
adjust your SD40 volume control set screw
in the battery compartment (see page 5
for location). Turn the set screw left or right
to reach the desired volume level.
For quick remote-control of volume
below the master setting—for example,
muting—use the CAB-1 numeric keypad's
volume control. Press AUX1 and then 4 on
the numeric keypad to lower overall
Railsounds output.
HIGH VOLTAGE SETTING
Press SET, headlight will flash. Get your
locomotive moving to the maximum
speed you want it to run, press BOOST. Use
this to keep your locomotive from excess-
speed derailing. Turn off the high voltage
setting by pressing SET, then BOOST, hold-
ing each for one second.
STALL
Make your SD40 feel more responsive by
setting a "stall" voltage. Get your locomo-
tive moving, then press SET; the SD40 will
stop. Turn the throttle clockwise to get the
locomotive moving, then decrease speed
until the locomotive just stops. Then press
SET again; the LCRU remembers the stall
setting until you change it. To clear stall,
press SET twice, holding it for one second
each time.
These settings will be lost when
Note!
you assign a new engine ID
number.
11
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