M . T . H . E L E C T R I C T R A I N S
6
F-3 A B A DIESEL ENGINE SET
2.
Press the Direction button once to stop the engine. This will
trigger the first sequence of PSA. The reverse unit is temporarily
disabled so that the train will not move as you use the the Direction button to trigger
the sounds, and Proto-Sound 2.0 has disabled operator control over the Whistle and
Bell buttons until the full PSA sequence is complete.
3.
After waiting about 30 seconds for that sequence to run, press the Direction button
again to trigger the second sequence of PSA.
4.
After waiting about 30 seconds, press the Direction button again to trigger the third
P S A sequence.
5.
Again, after allowing about 30 seconds for that sequence to run, press the Direction
button one more time to trigger the fourth and final PSA sequence. The PSA will con-
tinue, and within a few seconds, the engine will start and move out on its own at the
current throttle setting, in the same direction it was traveling when you began the
sequence. Once the bell turns off, the operator regains control of the transformer s bell
and whistle buttons and can ring the bell or blow the whistle as usual.
Tips on Using PSA
You can terminate PSA at anytime by turning off power to the track for 15 sec-
onds.
You do not have to be in Forward to use PSA. At the conclusion of the full
sequence,
the train will pull away from the station in whatever direction you were going when
you activated the feature.
You can use PSA even if you are double-heading with another engine. If the sec-
ond
is not equipped with PSA at all, you must remember not to leave the throttle at a
high
voltage level once you have stopped the engine to run the PSA. Otherwise, the
engine without PSA will start vibrating on the track as its motors strain to move the
train, since they cannot be automatically disabled during the PSA cycle. If the sec-
ond engine is an original Proto-Sound engine equipped with PSA, you may choose
