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Firmware for LokSound decoders

Here you will find firmware files to update your decoders. Thus you are able to upgrade new functions. To do this you need the LokProgrammer.

You have to be sure that the LokSound decoder and the LokProgrammer communicate properly with each other. Please check this while starting the LokProgrammer software, reading out the CVs of the loco and then transmit new data onto the decoder. If any problems should occur in the meanwhile, it could help to remove the decoder from the loco to make an update.
Usually the update leaves all CV settings unaffected, only the decoder firmware will be updated. However, we recommend you to make a backup of your data with the help of the LokProgrammer before making an update.  
An imcomplete or discontinued update will lead to a disfunction of your decoder. But it is possible to restart the update at any time.

Please note that all upgrades are carried out at your own risk. Any damages of the decoder, the corresponding locos or any other eqipment will not be accepted as a case of warranty. In the case of need we have to charge you for the repair of the decoder.

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LokSound V3.x

  • Firmware update for all LokSound V3.x, LokSound XL V3.x, LokSound V3.0 M4, LokSound micro V3.5

    Language: , Date: 01.05.10, Version: May 2010

    Update for the following decoders:
    • LokSound V3.x (FW-Version: 0.0.6093)
    • LokSoundXL V3.x (FW-Version: 0.0.6093)
    • LokSound V3.0 M4 (FW-Version: 0.0.6353)
    • LokSound micro V3.5 (FW-Version: 0.0.6093)
    Using this firmware update will upgrade your LokSound V3.0 or LokSound XL V3.0 to LokSound V3.5 or LokSound XL V3.5.
    New features:
    • Back EMF also on conventional (Analog) Operation
    • Sound in conventional operation
    • CVs 21, 22 for Consist mode
    • 4 volume control CVs for individual volume control of bell, horn, whistle, prime mover sounds etc.
    • Additional light effect: "Rule 17" for american engines.
    • Adjustment of the steam chuff synchronization: Now works also when Back-EMF is disabled.
    • Load-dependend sound can be disabled or limited.
    • By using CV 124, Bit 5, you can disable the Back-EMF measurement. By doing so, the decoder is fully compatible with the C-Sinus ("Softdrive-Sinus") motor used by Märklin. The LokSound V3.5  decoder now could be used with this kind of motor. For further details, please refer to the FAQ section.
    • Improved overcurrent protection for function outputs
    This software will also update your LokSound V3.0 M4 decoder.
    New features:
    • Limitation of load-dependend sound to 50%.
    • Correct interpolation of speed steps in 128 speed step mode.
    • Improved M4 detection on certain layouts
    • Improved overcurrent protection for function outputs
    This software will also update your LokSound micro V3.5 decoder.
    New features:
    • Using the second "Motorola"-address, you can enable the functions F2 to F9 in Selectrix operation. This is supported by Rautenhaus central stations.
    • Improved overcurrent protection for function outputs 
    Bugfix:
    • no exhaust chuffs with external sensor at the LokSound V3.x
    • LokSound V3.0 M4 lost digital state after wakeup in a brake section

    Additional informationen

LokSound XL V3.5

  • Firmwareupdate LokSound XL V3.5 for use with PIKO Loks

    Language: , Date: 24.11.09, Version: November 2009

    Update for the following decoders:
    •  LokSoundXL V3.5 (FW-Version: 0.1.1)
    This update will put a new firmware on your decoder
    Erweiterungen:
    • Overcurrent protection for motor output adjusted to support PIKO engines with two motor.

    Additional informationen