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Transformer operations
Your locomotive's Odyssey
Y
ou can lock your locomotive into speed control mode (ideal for low speed operation) so it will
automatically compensate for grades, or to simply maintain a specific speed setting. To turn on
the speed control, get your locomotive moving at the desired speed, in forward or reverse. Let it run
at the desired speed for at least 5 seconds. Press and hold the horn/whistle button for 2-3 seconds as
you increase the throttle by at least 3 volts. Your locomotive will accelerate briefly, then will return to
your set speed once you release the horn/whistle button. As long as the throttle position is maintained
at a higher setting than the initial level, your locomotive will maintain a constant speed. If the throt-
tle is turned below the original level, your locomotive will slow down due to the available voltage
decrease below the "set" level. To check if the speed control setting has been "accepted," turn up the
throttle. You will see the lights brighten, but the speed will remain constant. For best results, adjust
the track voltage about 3-4 volts above the "set" point. This will provide enough spare voltage to
compensate for uphill grades, etc., but will prevent excessive voltage to the lamps and smoke unit.
(In conventional mode, these operate at track voltage, and excessive voltage may lead to premature
bulb burn-out.)
• If you wish to change the speed control setting, you must deactivate the speed control, then reacti-
vate at the new
setting.
To turn speed control off, get your locomotive into neutral for at least 5 seconds. Press the horn/
whistle button for 2-3 seconds while lowering the throttle voltage to 1/4 of full power or at least three
volts. Do not turn the throttle off or speed control may not deactivate. This can be difficult if you have
established a low speed control setting. Once you are in neutral, you can increase the track voltage
before pressing the horn/whistle button and lowering the voltage. This will give you more "room" to
lower the voltage. (The speed control deactivates when it sees a 3 volt change with horn/whistle
pressed, regardless of initial voltage level.)
Speed control settings are retained in memory even if power is turned off. They will remain
Note!
present until deactivated.
System speed control
™
6
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