FrontCoupler:
SpeedControl:
Toturnspeed control onand off,
Lockintoa Direction:
To firethe frontcoupler(ifyourengine has one),quickly tap the Bell buttononce
followedbyfourquicktapsoftheWhistlebutton,allowingapproximately ½ second to
lapse between eachquickbutton press. The s oundoftheliftbarandairlinedepletionwill
play, and the knuckle willbereleased.
M.T.H. engines equippedwith Proto-Sound 2 .0 havespeedcontrol capabilitiesthatallow
the engine t o m aintain a c onstant speedupanddowngrades and aroundcurves,much
likeanautomobilecruisecontrol. Youcanaddordrop cars on therun, and the engine
will maintain the speed you set.
Whilethe engine is programmed tostart withthespeedcontrol featureactivated,youcan
opt to turn it off. This means the engine's speed will fallasitlaborsupahillandincrease
as it t ravels downward. Itis also affected b y theadditionorreleasingofcarswhileonthe
run. Because theengine will run moreslowlyatagiventhrottlevoltagewhen speed
control is on than when itisoff,youshouldadjustthethrottle toalowerpowerlevel for
operation with speed control off to avoid high-speed derailments. Whenspeedcontrol is
off,thevolumewilldrop toallowfor better l ow voltageoperation.
put t h e engine inneutral,thenquickly tap the
transformer's w histle buttononetimethenquicklytaptheBellbutton two t imes, allowing
approximately½second to lapse betweeneachquickbuttonpress. Repeat the 1 whistle,
2bellscode to return ittotheothercondition. You willwant todothisduringtheinitial
neutral uponstart-up if you ever couplethisengineto another engine that isnotequipped
with speed control to avoid damaging t h e m o tors ineither engine. Each time you shut
downtheenginecompletely,it willautomatically turn s peedcontrol on.
You can lockyourengineintoa direction (forward, neutral,orreverse)sothatitwill not
change directions. To do this, put t he engine into t h e d i rection youwant (orinto neutral
to lockitinto neutral), r u n i t a t a v e ry slowcrawl(asslowly as it will movewithout
halting), and quickly but firmly tap theWhistle button once followedbythreequicktaps
of the Bell button, allowingapproximately ½ secondtolapse between eachquickbutton
press.Two whistle blasts willindicatethattheenginehasmadethechange. The engine
will n ot changedirection (includinggoing intoneutral) until you repeat the1whistle,3
bells code t o r e turn the enginetoitsnormalcondition,eveniftheengine is kept without
powerfor extendedperiods of time.
Whistle
Whistle
Fire
Front
Coupler
=
Whistle
Whistle
Bell
Whistle
Place
Engine into
Neutral
Bell
Bell
=
whistle
Place
Engine into
Desired
Direction
Whistle
Bell
Bell
Bell
=
Speed Control
TwoWhistleBlasts
Repeat to Return
toNormalCondition
(indicateschangeismade)
Direction Lock
Two W histleBlasts
RepeattoReturn
to Normal Condition
(indicateschangeismade)
RailKing 4-6-0SteamFreightSet with Proto-Sound® 2.0
10