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MTH AEM-7 ELECTRIC ENGINE
OPERATING INSTRUCTIONS
Thank you for purchasing the MTH Electric Trains Premier AEM-7
Electric locomotive. This ¼" scale reproduction of the famous AEM-7
Electric Locomotive measures over 13" in length and weighs over 4
pounds. Despite its scale size, the locomotive is capable of operating on
O-42 3-rail track with any compatible AC transformer (see the chart on
page 33 for a complete list of compatible transformers and wiring
instructions) and is completely compatible with most other 3-rail
locomotives, rolling stock and accessories.
The locomotive is equipped with several deluxe features that are simple
and fun to operate. Each feature is described among the following pages
which should be read before the engine is operated. For those of you who
can't wait to get started, the Quick Start Basic Operating Instructions
found on Pages 3 and 4 should be read so that you understand the basics of
the operating system.
E L E C T R I C
T R A I N S
R
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Summary of Contents for M.T.H. AEM-7
- Page 1 T R A I N S MTH AEM-7 ELECTRIC ENGINE OPERATING INSTRUCTIONS Thank you for purchasing the MTH Electric Trains Premier AEM-7 Electric locomotive. This ¼” scale reproduction of the famous AEM-7 Electric Locomotive measures over 13” in length and weighs over 4 pounds.
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Page 2: Table Of Contents
(including proper functioning of the circuit breaker), and that, in an event such conditions exist, the transformer should not be used until properly repaired. MTH AEM-7 Operating Manual... -
Page 3: Quick Start - Basic Operation
The MTH AEM-7 contains state-of-the art electronics with several built-in automatic features for incredibly realistic operation. Despite these advanced features, the AEM-7 is easy to operate with any compatible standard AC transformer (see the compatibility chart on page 33). The AEM-7 locomotive is controlled by a ProtoSound®... -
Page 4: Protosounds® Operating Instructions
In addition to actual diesel engine, CD-equivalent 16-bit digital sounds, you get the following features: ∗ Built-In DCRU Reverse Unit * Authentic AEM-7 Horn Sound * Authentic AEM-7 Bell Sound * Squeaking Brake Sound * Passenger Station Sounds * Operating Remote Controlled Proto-Coupler® * Self-Recharging Battery... -
Page 5: Dcru® Reverse Unit Operation(All 3-Rail Models)
HORN OPERATION Your MTH AEM-7 ProtoSound-equipped engine is equipped with a digital recording of a horn. The horn sound can be activated anytime the engine is in forward or reverse by pressing the whistle button on your transformer. -
Page 6: Protocoupler® Operation
PROTO-COUPLER® OPERATION Your MTH AEM-7 ProtoSound-equipped locomotive has two coil-wound Proto-Couplers® for remote uncoupling action. Because the Proto-Coupler® is controlled through ProtoSound’s microprocessor, it doesn’t require an uncoupling track section or modification to your layout... -
Page 7: Squeaking Brake Sounds
Squeaking Brake Sounds High Voltage To Low low setting (14 volts to 8 volts or less). The second setting requires that a bell button be used to “arm” the brake feature MTH AEM-7 Operating Manual... -
Page 8: Tips On Using Squeaking Brakes
As your engine enters a curve (or anywhere on the layout) quickly “flick” your transformer whistle button about half way. This “flicking" action causes the transformer to release a short DC signal that ProtoSounds reads as an indicator to activate the brake sounds. The engine won’t slow MTH AEM-7 Operating Manual... -
Page 9: Self-Recharging Battery Backup System
Regardless, it should give you a week to a couple of months use while you wait for your replacement ProtoSound® battery to arrive. MTH AEM-7 Operating Manual... -
Page 10: Passenger Station Sounds (Pfa)
(it doesn’t matter if you are in forward, neutral Listen For The Press & Hold Horn Blast The Railsounds® Bell Button or reverse). You will After 3 Seconds For 3 Seconds MTH AEM-7 Operating Manual... - Page 11 You cannot interrupt the power twice to enter another direction state and still have the feature active.) Once your engine begins running, you can trigger the sounds to begin by entering neutral. MTH AEM-7 Operating Manual...
- Page 12 3 seconds of leaving the forward phase will disable PFA and shutdown ProtoSounds. The next time you turn power back on your engine will be in the RESET position. See page 6 for more information. MTH AEM-7 Operating Manual...
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Page 13: Tips On Using The Passenger Station Sounds
Listen For 2 Air Release Sounds PFA confirms to the operator that it has entered the neutral before forward phase by emitting two quick air release sounds. This MTH AEM-7 Operating Manual... - Page 14 PFA automatically activates the motors. Otherwise, the engine will just sit still until you increase the throttle setting on the transformer. MTH AEM-7 Operating Manual...
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Page 15: Replacing The Battery
PA arrival message has played and the doors have opened. In Event 5, you cannot interrupt PFA until after the engine begins to move. Interrupting the throttle before the engine begins to move has no affect on the locomotive. MTH AEM-7 Operating Manual... -
Page 16: Protosound® Volume Adjustment
Turning the volume adjustment knob clockwise will increase the volume and counterclockwise will lower the volume of all sounds; bell, horn, engine sounds, Cab Chatter, etc. ProtoSound Volume Control Knob Figure 4: Adjusting The ProtoSound Volume MTH AEM-7 Operating Manual... -
Page 17: Using "Reset" To Program Protosounds
Feature 7. You can advance the throttle as quickly as you like (though you may not hear the air-release sounds) and the computer will still remember the number of times the throttle is advanced by playing back the number of “Clinks" and “Clanks" to confirm the feature you’ve selected. MTH AEM-7 Operating Manual... -
Page 18: Setting The Engine Volume
In fact because only the engine volume is affected by selections in Feature 6, when you select 0 volume, you can still hear the horn, bell and Cab Chatter sounds when the engine is running or in neutral. MTH AEM-7 Operating Manual... -
Page 19: Programming For A Separate Bell Button Controller
(1)Squeaking brakes can be activated by bell button control, (2)they can be programmed for continuous operation subject to throttle changes or (3)they can be programmed to be turned off. The default setting is (2) Squeaking brakes are activated for full-time operation as MTH AEM-7 Operating Manual... -
Page 20: Programming For Horn In Neutral Operation
ProtoSounds has been programmed to sound the horn in neutral). Turn the throttle off and then on again to “Lock-In" your selection. Now, whenever you are in neutral, you can blow the horn with the transformer whistle MTH AEM-7 Operating Manual... -
Page 21: Programming For Cab Chatter Sounds
To turn off PFA, enter RESET and go to Feature 28. (See the section on Using RESET To Program ProtoSounds® on page 17). Once in Feature 28, press the transformer whistle button and wait for ProtoSounds® to sound a bell ding(s). Continue pressing the whistle button MTH AEM-7 Operating Manual... -
Page 22: Activating Reverse Unit Lock-Out Control
Feature 40 and press the whistle button until only one bell ding sounds. To lock in the setting, simply turn the transformer throttle off and then back on again. Alternatively, you can go to RESET Feature 18 to reset all MTH AEM-7 Operating Manual... -
Page 23: Resetting All Protosound® Options To Factory Defaults
To turn the Cab Chatter sounds back on again, repeat the above process, but keep pressing the transformer whistle button in Feature 23 until ProtoSounds only sounds one bell ding. MTH AEM-7 Operating Manual... -
Page 24: Reverse Unit Lockout Control Functions
NEUTRAL AND WITH THE THROTTLE STILL ON, PRESS THE WHISTLE BUTTON. WHILE THE WHISTLE BUTTON IS BEING PRESSED, TURN OFF THE THROTTLE AND LET GO OF THE WHISTLE BUTTON. After about one second, you will hear a short blast MTH AEM-7 Operating Manual... - Page 25 While it doesn’t make any difference on how the lockout function operates, you may hear one of the three different NEUTRAL-activated sounds. To unlock the engine from the NEUTRAL position, follow the process to unlock the engine in the Forward or Reverse directions above. MTH AEM-7 Operating Manual...
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Page 26: Oil & Lubrication Instructions
Figure 8: Greasing The Power Trucks Next, remove the truck blocks from the chassis by unscrewing the large Phillips motor mount screw on the bottom of each truck block (See Fig. 8). MTH AEM-7 Operating Manual... - Page 27 To remove the truck side, turn the engine upside down to access the truck side screws. Body mounting screws Body mounting screws Fig. 9 Removing the body mount screws MTH AEM-7 Operating Manual...
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Page 28: Traction Tire Replacement Instructions
Once the new tire(s) are in place, reassemble the truck sides to the truck blocks. Replacement tires are available directly from MTH Electric Trains. HEADLIGHT REPLACEMENT The AEM-7 locomotive’s headlights are controlled by constant voltage circuits inside the locomotive body. -
Page 29: Light Bulb Removal & Replacement
The bell won’t work with a separate bell button. Program ProtoSounds”) and press the whistle button until the bell sounds two dings. Simply turn the throttle off and then on again to lock in the new setting. MTH AEM-7 Operating Manual... - Page 30 The sounds seem distorted, especially when the creating the distorted sounds. Try turning the volume whistle or bell is activated. control knob located on the bottom of the chassis counter clockwise to reduce the overall volume level. MTH AEM-7 Operating Manual...
- Page 31 MTH AEM-7 Operating Manual...
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Page 32: Protosound Reset Feature Chart
Horn In Neutral Horn In Neutral OFF 5 Clanks/0 Clinks Reserved Reserved 5 Clanks/2 Clinks Brake/PFA Enabled Brake/PFA ON 5 Clanks/3 Clinks Lockout Enabled Lockout OFF 8 Clanks/0 Clinks Squeaking Brakes Brakes Always ON 9 Clanks/0 Clinks MTH AEM-7 Operating Manual... -
Page 33: Transformer Wiring Chart
A or D 8-20v 275-Watt Standard MTH Z4000 Black 5-22v 390-Watt Electronic *ProtoSounds needs over 14 volts of power to work properly. Overloading or using in-line accessories with this transformer may lower the peak voltage below ProtoSound’s requirements. MTH AEM-7 Operating Manual... -
Page 34: O-42 Operation
O-42 OPERATION While the MTH AEM-7 electric is more than capable of operating on O-42 curves and switches, you may find that certain light freight cars are prone to derailing when being pulled or pushed by the MTH AEM-7 through O-42 switches. - Page 35 MTH AEM-7 Operating Manual...
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Page 36: Service And Warranty Information
1. First, write, call, email or FAX MTH Electric Trains, 7020 Columbia Gateway Drive, Columbia, MD 21046, 410-381-2580 (FAX No. 410-423-0009), www.mthtrains.com, service@mth-railking.com, stating when it was purchased and what seems to be the problem.