3
TABLE OF CONTENTS
Prototype History ...............................................................................................4
Break-In ............................................................................................................5
Which Way is the Front?.....................................................................................5
How to Hold Your GMD-1 ...................................................................................5
Ditch Lights ........................................................................................................6
Checking and Adjusting Your Locomotive ..............................................................6
Missing or Damaged Parts ..................................................................................7
Removing the Shell .............................................................................................7
Operation – DC (Silent) ......................................................................................7
Installing a Silent DCC Decoder ...........................................................................8
Operation – DC (Sound) .....................................................................................8
Operation – DCC with Sound ..............................................................................9
• Locomotive Address ...............................................................................9
• Turn On the Sound ...............................................................................10
• Functions ............................................................................................11
• Functions: More Information ..................................................................12
• Horns .................................................................................................14
• Sound Volume Settings .........................................................................14
• Sound Volume Settings Chart ................................................................15
• Factory Reset ......................................................................................16
• Awesome Slow Speed Thingy ...............................................................16
• More Information ................................................................................16
• Limited Lifetime Warranty .....................................................................16
• Acknowledgements ..............................................................................17
GMD-1 DCC FUNCTION QUICK REFERENCE
F0
HEADLIGHTS
F11
DOPPLER HORN - FAST
F1
BELL
F12
SWITCHING MODE
F2
HORN
F14
NUMBER BOARDS
F3
CURVE SQUEAL
F15
BRAKE
F4
FULL THROTTLE
F20
SARCO VALVE (SPITTER) - SLOW
F5
DOPPLER HORN - SLOW
F21
SARCO VALVE (SPITTER) - FAST
F6
DITCH LIGHTS
F22
SARCO AFTER SHUTDOWN
F7
DIMMER
F23
BRAKE SET/RELEASE
F8
STARTUP/MUTE/SHUTDOWN
F9
CLASS LIGHTS - FRONT
F10
CLASS LIGHTS - REAR