Inc N Scale Function Decoder - Manual
©2010 Digitrax, Inc. www.digitrax.com 10
Digitrax SoundFX™ decoders will operate on smooth DC power. The sound
will not start until approximately 5 volts is applied to the track and there will
be no “start up sound.”
SDN144K1E Troubleshooting
If the sound does not start in the decoder
1. Make sure you have selected the locomotive address on a throttle. The
sound will not run unless the locomotive is addressed in the system. Make sure
F8 is OFF.
2. Check your installation to make sure the decoder is installed properly.
If the sound output sounds distorted
Complete Train Control
Run Your Trains, Not Your Track!
Function # Used For Notes
F0 Lights
F1 Bell
F2 Horn/Whistle CV150 selects horn
F3 Coupler crash Auto coupler/brake set by
CV151 max speed
F4 Air feature disable F4 off enables pop-off,
drier and starts compres-
sor
F5 Diesel = Dynamic brake
Fans 
F6 Diesel = Notch Up Notch UP if CV155=01 or
02
F7 Crossing Gate Airhorn
or; 
Diesel = Notch DOWN
Notch DOWN, if
CV155 = 01 or 02
(Crossing Gate Horn active
if CV155=0)
F8 Mute Control F8 ON is muted
F9 Brake squeal
F10 Crossing Gate
Airhorn Sequence
F11 Handbrake
F12










