SoundTraxx Union Pacific Gas-Turbine Electric - Manual (Page 8)

Tsunami User’s Guide for the Union Pacific Turbine Page 5
the turbine starts, add 8 to the value in the table. To have the backfire turn
on every time the turbine is started, add 16 to the value in the table.
The default value for this CV is 8, which sets the Air Compressor to be on
F10, the Radiator Fans on F9, the Alternate Prime Mover OFF and the
backfire effect set to come on at first turbine start.
CV 116 Exhaust Control
Auto Engine Notching
Setting CV 116 between 1 and 15 enables Automatic Engine Notching Mode.
Automatic notching causes the engine RPMs to change in proportion to
the throttle setting. Pressing Emergency Stop will cause the engine to shut
down.
The value in CV 116 sets the number of speed steps per engine notch. With
a setting of one, the engine speed will increase one notch for each speed-
step. When the engine sound reaches notch 8, no further increases will take
place. With a setting of seven, the engine speed will increase one notch for
every seven speed-steps. The default setting is 7 speed steps per engine
notch.
By varying CV 116, the sensitivity of the engine sound to the throttle is
changed. If you operate on a small layout or are having trouble keeping the
engine sound synchronized to the locomotive speed, you might want to use
larger CV values (12-15) to keep the engine from becoming ‘over-throttled’.
Manual Notching
As the name implies, Manual Notching allows you to control the engine
RPMs manually and independently of the throttle setting. Manual Notching
allows for more prototypical operating scenarios such as having a heavy train
slowly climb a grade while the engines are laboring at full power.
To use Manual Notching, set CV 116 to 0. Then, the engine RPMs will
increase by one notch each time Function 9 is pressed. Similarly, the RPMs
Operation
Radiator Fans Air Compressor Alternate Prime Mover CV Value
0
1
2
3
4
5
6
7
CV 112, Air Compressor, Radiator Fans, Alternate Prime Mover Control
with Turbine Backfire Turned OFF
Off
Off
Off
Off
On
On
On
On
F10
Auto
F10
Auto
F10
Auto
F10
Auto
F9
F9
Auto
Auto
F9
F9
Auto
Auto