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CV48-4 Nathan P5A

CV48-5 Nathan K3L (ESU Recording)

CV48-6 Leslie RS3L

CV48-7 Leslie S3L

CV48-8 Leslie S5T

CV48-9 Nathan M3

CV48-10 Hancock Air Whistle (you can blame Dan for this….)

CV48-11 Leslie RS3K

CV48-12 Leslie Supertfon

CV48-13 Nathan M3H

CV48-14 Nathan K5H

CV48-15 ANOTHER Leslie 3 Chime

Note that you can only change the horn on a programming track or using a LokProgram-

mer.

SOUND VOLUME SETTINGS

The sound volumes on your decoder have been pre-set at the factory to levels that we 

found comfortable on our test tracks. This is considerably quieter than what you are 

probably used to when first turning on a sound-equipped locomotive, because we feel 

that most locomotive models are set to ABSURDLY LOUD out of the box. 

Sound levels are very much a matter of personal taste (especially if you are going deaf 

like we are), and what sounds great in one layout environment may sound too loud or 

too soft in another. Fortunately all sound levels can be easily adjusted to best suit your 

own requirements and we recommend that you experiment with different settings if you 

don’t care for the default levels.

To set the volume levels go into the program mode on your DCC system (refer to your 

system’s manual for instructions on how to do this as each system is slightly different); 

enter the desired CV number; then enter the desired levels. Note that this can be done 

either on a programming track or on the main (ops mode) if your DCC system supports 

programming on the main.

We strongly recommend that you keep notes on which settings you have changed and 

which values were used. If you ever need to do a reset on the decoder (see “Factory 

Reset” below) then having good notes will allow you to easily re-enter any changes that 

you might want to keep. 

VERY IMPORTaNT: Before you change any of the volume control CVs, 

please make sure that CV 32 is set to 1. CV 32 is used as an index selec-

tion register and if you don’t set it first then we are not responsible for 

your resulting rage and the fact that you will probably throw the loco-

motive against the wall in frustration. 

Summary of Contents for GMD-1

Page 1: ...FRAN AIS AU VERSO GMD 1...

Page 2: ...rrglglglhhhh please give us a shout More warranty information is available towards the back of this manual You can reach us by email trains rapidotrains com by phone 1 855 LRC 6917 or 1 905 474 3314 o...

Page 3: ...r 8 Operation DCC DC with Sound 9 Locomotive Address 9 Turn On the Sound 10 Functions 10 Functions More Information 11 Horns 12 Sound Volume Settings 13 Sound Volume Settings Chart 14 Factory Reset 14...

Page 4: ...ow on BREAK IN No we don t mean you should sneak into your buddy s layout room when he s on vaca tion to steal his GMD 1s Instead you should buy more of your own Every locomotive needs a break in peri...

Page 5: ...ery brave EXTRA STUFF IN THE BOX You can run your GMD 1 right out of the box You don t need to add anything to it as all of the basic grab irons and other details are installed The exception is the ar...

Page 6: ...s by tall radiator shutter frames starting in 1966 As the units stayed in 1954 colours into the 1980s we didn t feel we could force the later guys to hack off the normal rad covers or force the earlie...

Page 7: ...ing has obviously been bumped in transit and is damaged please contact us We know that some of you don t like to touch your models but if it is a matter of gluing a spark arrestor back on you can do i...

Page 8: ...existing fleet Put it on the track Give it some juice Watch it go But please note that we can t guarantee that your GMD 1 will actually MU with locomo tives from other manufacturers There are just to...

Page 9: ...g GMD 1 sound decoders separately if they aren t on our web site by the time you read this call Jason and yell at him OPERATION DCC DC WITH SOUND We go to extreme lengths for accuracy in sounds as wel...

Page 10: ...Press F8 again to turn the sound off Note that if you are listening to your GMD 1 idling nicely and then you select another engine your GMD 1 still thinks F8 is pressed so it will keep idling along H...

Page 11: ...ed to change some CV settings in your consisted engines following the detailed instructions in sec tion 5 2 3 of the ESU Loksound Select decoder manual available for download on the GMD 1 page in the...

Page 12: ...have both the headlight and rear light on at full strength Press F12 again to turn off the switching mode lighting F18 Brake Set Release This function turns off the brake release and brake set sounds...

Page 13: ...sound levels can be easily adjusted to best suit your own requirements and we recommend that you experiment with different settings if you don t care for the default levels To set the volume levels g...

Page 14: ...0 128 FACTORY RESET On your GMD 1 you perform a factory reset by entering a value of 8 into CV 8 Note that this will cause all of your new volume and motor settings to be lost so you will need to repr...

Page 15: ...or advanced users who want to more fully explore the capabilities of the decoder we suggest downloading the ESU Loksound Select decoder manual This is available on the GMD 1 page in the Support sectio...

Page 16: ...rch recordings and advice thanks also go to Jon Archibald Jeff Arnold Steve Boyko Glen Brosinsky Jon Calon Paul Cordingley Peter Cox Dan Dell Unto David Emmington Mark Forseille Don Gillespie Kelly Gi...

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