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17.0 Functions
Most DCC decoders have function outputs that you can use to control lamps,
LEDs, sound, smoke generators and other on/off devices installed in your loco-
motives. Most locomotives made today come with a head light and sometimes
with a rear light, too. With DCC, these are controlled by the decoder’s function
outputs. You can also install additional DCC controlled lighting such as cab
lights, Mars lights, ditch lights, rotating beacons and others on your locos. The
addition of these functions can add to the fun and realism of your locomotives.
You must have the functions installed and connected to the appropriate
decoder function leads in order to use the following keys.
17.1ControllingFunctionsF0-F9
To operate functions F0-F9 on your locomotive:
1. Select the loco you want to control on your throttle. On the throttle display,
you will see the FUNCTION Indicator Dot illuminated to let you know
that you can use the numeric keys to operate the functions.
The FUNC+10 and FUNC+20 indicator lights should not be on when
controlling functions 0 thru 9.
2. Use the DCS51’s numeric key pad to turn functions on and off. For exam-
ple, to turn the head light on, press the
laMp/0
key. Press the
laMp/0
key
again to turn it off.
17.1.1Function0(F0) headlightsForwardandreverse
Press the
laMp/0
key to toggle F0 between on and off. Each time the
laMp/0
key is pressed while in function mode, Function 0, also called F0 will change
from off to on or vice-versa. On locos with reversing head lamps and back up
lamps, the head lamp or back up lamp in your loco will come on depending on
the direction of travel of the loco. Function 0 is most often used to turn on/off
the head light/back up light but can be set up for other functions as well (See
your Decoder Manual for more information). It can be used as two functions.
17.1.2Functions1,4,5,6,7,8&9
Press the number key on the numeric keypad that corresponds with the function
number you want turn on/off. The function will toggle between on and off each
time you press the number key.
The
Bell/1
Key is used for Function 1 (F1) and is labeled with a
Bell
icon
to remind you that this is the preferred function key for bell operation.
17.1.3Function2(F2) MomentaryOperation
Press the
hOrn/2
key on the numeric keypad. The
hOrn/2
key operates
Function 2 and is labeled with a whistle icon to remind you that this is the pre-
ferred function for whistle or horn operation. This key is set up as a “non-latch-
ing key” so that if a horn or whistle sound is installed in the loco, it will sound