The following steps are performed
for complete adjustment of the
sound effects circuit.
• Remove the locomotive body
(page 41/42).
• Set the locomotive frame on the
test track. Enter the locomotive's
address at the Control-Unit. All
functions are turned off. The speed
control knob is at "0". The LED on
the sound effects circuit is now lit
up in this state (operating current
present). If the LED does not light
up, then check the power supply
for the test track and the operating
status of the Control-Unit.
• The volume can be changed with
the P1 potentiometer. Please bear
in mind that the sound level will
be considerably higher with the
body on the locomotive.
• The volume relationship between
the motor noise and the locomo-
tive's horn can be changed with
the P2 potentiometer. Turning the
potentiometer to the left produces
a louder additional sound. Turning
the potentiometer to the right pro-
duces a softer additional sound.
At the end settings for the poten-
tiometer you will hear either only
the motor sound or only the loco-
motive horn.
• When the sound effects circuit is
correctly adjusted, the LED on the
sound effects circuit should go
out after the locomotive starts to
move. Just before the end setting
for the speed controller (controller
setting at bout "200") the LED
should go on again.
– If the operations LED does not
light up at maximum speed for
the locomotive, then the P3
potentiometer must be turned
to the right.
– If the operations LED lights up
earlier, then the P3 potentio-
meter must be turned to the left.
• Put the locomotive body back on
the frame and test once more the
setting you have chosen.
Please note the following points
when operating the sound effects
circuit.
• The sound effects circuit a mini-
mum power supply of 12 volts.
If the power supply falls below this
level, the sound effects circuit may
produce distorted sound, become
softer in volume or turn itself off
completely. This condition will not
change by manipulating the func-
tion buttons. This condition is
ended by first pressing the STOP
button and then the GO buttons
on the Control-Unit. If this condition
occurs on a particular stretch of
track, then you must check to
make sure that sufficient voltage is
present in that area of track.
• The power requirement for the
sound effects circuit is about 12 VA.
This will limit the maximum number
of locomotives that can be operated
in a power consumption area.
• We recommend putting the jumper
in the "AUS" ("OFF") setting on the
sound effects circuit board when
operating the locomotive for long
periods of time with conventional
DC or AC power.
20
2
Operation
