Bulletin: Atlas RS-1

Manufacturer: Atlas, Item number: 99455, Version: V1-R1

Atlas HO RS-1
Conrail, Amtrak, Green Mountain, LIRR, M&E, Milwaukee, PRR, ATSF, NYSW

The ALCO 539 engine was developed in response to the perceived drawback that ALCO's line of diesel switchers had a restricted field of vision because of the high hood. Both Baldwin and EMC were offering diesel switchers with a lower engine hood that the trainmen could see over.

The 539T was equipped with the Buchi turbocharger, being made under license by the Elliott Manufacturing Company of Jeannette, Pennsylvania. The first 539T engines were used in S-2 switchers and DL-105 passenger locomotives built in September 1940.

ALCO Locomotives:

S-2, S-4, RS-1, RSC-1, RSD-1, DL-105, DL-107, DL-108, DL-109, DL-110

MLW Locomotives:

S-2, S-4, S-7, S-12, RS-1, RSC-13

Recorded from a ALCO S-2

This project is a normal idle version. It is an air throttle version. It has a single exhaust stack.

File also contains an "Isolation Switch" Mode on F15 when Standing Still.
Pressing F15 while not moving will lower the prime mover and lock the motor. F15 must be turned off to begin moving.

Another Mode is "Reverser In Center Position". When pressing F24 while stopped, the motor will lock so you can throttle through the notches like the prototype in neutral. F24 must be turned off to begin moving.

This project has "Run 8" mode. When turning on F26 with F28 off, the prime mover goes to run 8. Turning off F26 returns the prime mover sounds back to normal mode.

This project has "Coast" mode. When turning on F27 with F28 off, the prime mover goes to idle for coasting purposes. Turning off F27 returns the prime mover sounds back to normal mode.

You can still use F26 and F27 for manual notching. You have to keep both F26 and F27 off before pressing F28 to turn on manual notching. Once F28 is on, you can use F26 to notch up and F27 to notch down. F26, F27, and F28 must be turned off to return to normal mode.

This project has "Load" mode. When turning on F29 with F15, F24, F26, F27, F28 off, the prime mover goes into load mode. While you are using load mode, the prime mover will notch up 1 or more notches based on primary load settings(CV104). The throttle notches up using speed instead of requested speed while using the load feature. F29 must be turned off to return to normal mode.

Prime mover volume selection mode. By default the prime mover has volume dynamics. Meaning idle is soft while notch 8 is loud. This is very prototypical. The next option is volume maxed out. Meaning idle and notch 8 are the same volume. This is more suitable for people who like it loud.

Change the sound configuration of the prime mover sound slot 1
CV31 = 16, CV32 = 1
----------------------
CV263 = 0 Prime Mover Dynamic Volume Control
CV263 = 1 Prime Mover Max Volume

1st Generation Switcher Horn Pack 1
Horns (SoundCV9):
CV163=0 Handcock 4700 Whistle
CV163=1 Leslie A-125
CV163=2 Leslie A-200
CV163=3 Leslie S-25
CV163=4 Leslie S-2M
CV163=5 Leslie S-3K
CV163=6 Leslie S-3L
CV163=7 Nathan M-3
CV163=8 Nathan M-5
CV163=9 Nathan P-2
CV163=10 Nathan P-3-OC
CV163=11 Nathan P-5-OC
CV163=12 Wabco A-2
CV163=13 Wabco AA-2
CV163=14 Wabco E-2
CV163=15 Nathan K-3L

ALCO Bell Template Pack 3
Bells (SoundCV10):
CV164=0 ALCO Bronze Bell 004
CV164=1 ALCO Bronze Bell 007
CV164=2 ALCO Bronze Bell 009
CV164=3 ALCO Bronze Bell 012
CV164=4 ALCO Bronze Bell 013

Auto Bell:

Many Second and Third Generation locomotives have been fitted with an Automatic Bell that is triggered when the horn is blown. In MANY cases this cannot even be bypassed on modern locos. Before the FRA mandated this feature on new locomotives the bell was of course turned on and off separately. Some locomotives were delivered with a manual bell and have been converted to an automatic bell. This creates a challenge in sound file creation.

We realize that not every loco with a particular prime mover had this feature. As such we have built in an option to turn the feature on and off. We will set the default in the file to be what is most appropriate for the particular file.

To turn the feature OFF - Auto Bell OFF:

1. Remove the Auto bell sound slot from the function mapping chart
CV31 = 16, CV32 = 8
----------------------
CV311 = 4

2. Change the sound configuration of the Auto bell sound slot
CV31 = 16, CV32 = 1
----------------------
CV287 = 0

To turn the feature ON - Auto Bell ON:
1. ADD the Auto bell sound slot from the function mapping chart
CV31 = 16, CV32 = 8
----------------------
CV311 = 12

2. Change the sound configuration of the Auto bell sound slot
CV31 = 16, CV32 = 1
----------------------
CV287 = 1


Auto Bell Timer:
The Bell timer is amount of time the bell will play after the horn if the auto timer is active. The timer is broken down into 1/4 of a second increments.
CV169=4 - 1 Second
CV169=8 - 2 Seconds
CV169=12 - 3 Seconds
CV169=16 - 4 Seconds
CV169=20 - 5 Seconds - Default
Etc...

Switcher Brake Squeal Template Pack 1
Brake Squeal (SoundCV11)
CV165=0 Composition Shoe #1
CV165=1 Cast Iron Shoe #1

ALCO Air Dryer Template Pack 1
Air Dryer (SoundCV12)
CV166=0 S-1 Air Dryer 1
CV166=1 C-425 Air Dryer 1
CV166=2 RS-18 Air Dryer 1
CV166=3 RS-18 Air Dryer 2

S0511 - Basis File
Atlas Project File - 99455

KeyFunctionsSound slotsVolume CVsVolume values
F0Headlights Front/Rear
F1Bell4283100
F2Horn3275225
F3Coupler529160
F4Dynamic Brake629975
F7Flange Squeal2343550
F8Prime Mover, Traction Motor, Starting Delay1, 19, 25, 26259, 403, 451, 459225, 110, 60, 60
F9Drive Hold
F10Independent Brake11339120
F11Radiator Fan831570
F12Dimmer
F14Hand Brake14363140
F15Isolation Switch2141940
F16Air Dryer On Shutdown
F17Brake Set/Release Automatic29483120
F18Sanding Valve1335550
F19Short Air Let Off2444380
F20Compressor730750
F21Air Dryer1738780
F22Cab Door15371160
F23Engine Compartment Doors16379160
F24Reverser Center20411110
F25Shutters Open/Closed3250730
F26Manual Notching Up / Run 8
F27Manual Notching Down / Coast
F28Manual Notching Logic2746720
F29Load
F30Automatic Brake10331120
F31Soundfader

Make sure that index CV31 is set to 16 and index CV32 is set to 1 before changing a volume CV.