Digitrax SoundFX SDH187MT Manuale - Pagina 9

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If the sound output seems distorted:

Check the speaker cone for magnetic debris that may have collected

there. Debris on the speaker must be removed and this, or damage

will cause a loss of sound quality.

2. Be sure that the CV58 volume is not set at a level that sets sound

power too high for the track power and speaker being used.

If motor does not run:

Check the motor is properly connected.

2. Make sure locomotive address is correct and selected. Activate F0/

lights to see if decoder is powered and addressed properly.

3. If Front and Rear lights come uncontrollably solid ON and wink off

once every 4 secs, the motor is not properly isolated from stray volt-

ages. Check wiring.

If the sound in your decoder shuts down after you stop it and

you are not using a Digitrax system for control:

On some DCC systems decoders are not addressed by DCC packets after

the locomotive is set to 0 speed.

In this case after the CV11 timeout elapses (6 second default), sound will

"shutdown.". To defeat this feature, set CV11=00 to remove the timeout

and shutdown. To make sounds, the decoder must have a command

addressed to it at least once.

If you have trouble reading back CVs on the programming

track: This may be due to insufficient current draw for program ac-

knowledgment. You can always just re-program or write the CV value

into a CV to get the desired results, even if reading CVs does not work.

OPS/Mainline mode is recommended for writing to (programming) all

CVs except CV01, CV17 & CV18 (2 digit and 4 digit addresses).

If a second DCC decoder is present that is not SoundFX compatible then

correct read back of CV data is not possible, since CV read back was not

originally designed for multiple decoder read back.

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