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The first adjustment is:
START VOLTAGE (CV2)
Start voltage is the amount of voltage the decoder sends to the motor when a speed
step 1 command is sent to the locomotive. This is some extra voltage to help get the
motor running. You can put in any value from 0-255. If you put in a value of 10 then 10/
255 (about 4%) of the full motor voltage will be applied to the motor at speed step 1. In
most decoders the start voltage is added to each speed step.
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START VOLTS: _START VOLTS: _
START VOLTS: _START VOLTS: _
START VOLTS: _
A good way to setup the Start Voltage is to first set your throttle to speed 1 then go into
this Start Voltage programming and try different values until you get the desired starting
speed. This approach can be used with most of the motor speed adjustments. You may
exit programming at any time by pressing PROG/ESC.
MAXIMUM VOLTAGE (CV5)
This is the amount of voltage applied to the motor at full speed. A value of 255 means
send the full available track voltage to the motor. Lower numbers will tell the decoder to
send proportionally less voltage when full speed is called for.
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MAX VOLTAGE: _MAX VOLTAGE: _
MAX VOLTAGE: _MAX VOLTAGE: _
MAX VOLTAGE: _
A value of 192 will cut the maximum speed to 192/255 (about 75%) of the track voltage.
Most decoders interpret a value of 0 to mean 255.
MID SPEED VOLTAGE (CV6)
This is the amount of voltage applied to the motor when the middle speed step (14 or 64
depending on speed mode) is requested. A value of 128 means to send about ½ the
available track voltage (128/255 of the voltage) to the motor.
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MID VOLTAGE: _MID VOLTAGE: _
MID VOLTAGE: _MID VOLTAGE: _
MID VOLTAGE: _
Lower or higher values will send proportionally higher or lower voltages at mid-speed.
Most decoders interpret a value of 0 to mean 128.
ACCELERATION (CV3)
With this CV set to 0 the decoder will be in what is commonly called ‘direct drive’. The
decoder will instantly jump to the speed requested by the throttle. You can add
momentum by adjusting this parameter.
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ACCELERATION: _ACCELERATION: _
ACCELERATION: _ACCELERATION: _
ACCELERATION: _
A value of 1 will force a delay of .007 seconds between speed steps in 128 speed mode
(.032 seconds in 28 speed mode). This is equivalent to .896 seconds (.007 x 128
speeds) to go from speed 0 to full speed. A value of 10 will yield about 8.9 seconds to
full speed.
DECELERATION (CV4)
Deceleration works to delay the slowing down of the motor with the same timing as
acceleration.
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