12
MTH GP38-2 Operating Instructions
throttle to enter the next directional state (either forward or reverse).
(Note:
the FYS will only play in the first Neutral after it is armed. You cannot
interrupt the power twice to enter another direction and still have the FYS
active.)
You can now trigger the sounds to begin playing when you next
enter Neutral.
TRIGGERING FREIGHT YARD SOUNDS
Once the FYS feature has been activated, it will be played the next time the
engine enters neutral. At this point, Proto-Sound® will take over control of
your engine, disabling the bell and whistle button. In addition,
Proto-Sound® reconfigures the way the reverse unit functions during the
operation of the FYS feature. This forces the engine to leave your freight
yard in the same direction as it arrived. The following operator controlled
“Events” control the FYS’s actions and sounds.
(Note: The direction states
shown assume the FYS is entered from forward. If entering the freight yard
in reverse, the direction states shown will be reversed.)
Event 1:
Interrupt the transformer
throttle to cycle the engine from
forward into neutral. If the
throttle was at 14 volts or higher,
the squeaking brakes sound will
play. Once the engine is stopped,
the throttle must be turned on to keep it in the neutral
state.
Note: Failure to turn the throttle back on within 3 seconds of
leaving forward will disable FYS and shutdown Proto-Sound®. The next
time power is turned on, the engine will be in the RESET position. See
page 19 for additional information on RESET.
If the bell was not turned
off after arming FYS, it is now turned off automatically. After entering
neutral, Proto-Sound will immediately play a horn blast or an air release
sound, followed approximately 2 seconds later by a man whistling and a
freight car door sliding open. At this point, various freight yard sounds can
be heard, including loading and unloading operations, engine sounds,
yardman “slang,” and additional freight car door sounds.
Event 2:
Interrupt the transformer throttle again to cycle the engine from
neutral into reverse. In order to have the engine leave the yard in the same
direction it entered Proto-Sound® disables the motors in this reverse state to
prevent the engine from running backwards. FYS confirms reverse is
entered by playing a sound highlight best described as a rumbling sound.
Put Engine In Neutral
At Low Power
Listen For Air Release Sound
And Cab Chatter Message
EVENT 1
