Atlas 520099 manual Programming the H15/16-44 Decoder

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Decoder for Atlas N Scale H15/16-44 Locomotives

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decoder properties, observe carefully the decoder's behavior while on the isolated programming track. Each time you try to program the decoder you can see the acknowledgement that is sent by the decoder in the form of a brief and minor jerk of the locomotive. A successful acknowledgement means that you have installed the decoder correctly.

Remove the locomotive from the programming track and, if necessary, correct any installation errors. Once you have successfully programmed the decoder, reinstall the body shell and retest the locomotive on the programming track. If this test is successful, the locomotive is ready to use.

Programming the H15/16-44 Decoder

The H15/16-44 decoder supports all forms of both service mode (programming on an isolated programming track) and operations mode programming (programming on the main line). Using any of these programming methods, many features (such as the locomotive's address, acceleration, and configuration) can be customized to the individual locomotive in which the decoder is installed. These customized properties will be saved in non-volatile memory locations on the decoder so that they will retain their values even after power has been removed. All parameter values are set electronically, which means that the locomotive does not need to be opened again after the decoder has been installed to read or modify the values of these so-called Configuration Variables (CVs). The H15/16-44 decoder has a total of 128 CVs. Not all of them are used at this time because many have been reserved for future use.

Any NMRA-compliant DCC Command Station, such as the Atlas Master Commander, can be used to program the H15/16-44 decoder. With several entry-level systems, only CV #1 (the locomotive address) can be set unless you use a separate DCC programmer. More advanced DCC systems, including the Atlas Commander, support the ability to set many more CVs. The H15/16-44 decoder supports all programming modes and can be programmed by all NMRA-compliant DCC systems. The locomotive’s 2-digit and 4-digit addresses in CV1, CV17, and CV18 CANNOT be programmed in operations mode. Instructions for reading and writing CVs are given in the user manual of your DCC system.

Note: for newly programmed CV values to take effect after service mode programming, the decoder must go through a power reset. If your DCC command station does not support automatic power reset, simply rock the locomotive off the track after programming.

Atlas Model Railroad Co., Inc.

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Contents DCC Decoder for Atlas N Scale H15/16-44 Locomotives Scale H15/16-44 DCC Decoder Lighting Options for the H15/16-44 Decoder Preparing to Install the H15/16-44 Decoder Silent Drive or Precision Glide ControlStep by Step Installation Programming the H15/16-44 Decoder Acceleration Momentum Reg Description Range Default Value Short addressStart voltage Brake MomentumLong Address, Low Byte Decoder Configuration, ByteLong Address, High Byte Advanced Consist AddressUsage on conventional DC layouts Description Range Default ValueHeadlight mode Speed curveDirectional or Independent Headlights Brake momentum on DC operationLighting Effects for Output a front headlight Front Headlight Dimming ControlLighting Effects for Output B rear headlight Dimming for Output a front headlightRear marker lights Rear Headlight Dimming ControlSpeed Dimming for Output B rear headlightFactory StepBit Decimal Number Equivalent Values forCalculation Example Calculating the Default Value for CV29 Creating a Customized Speed Curve 100 110 120 130 140 152 164 174 186 200 216 234 254 Troubleshooting Decoder Programming Problems Atlas Limited One-Year DCC Decoder Warranty For Technical Assistance Dcc@atlasrr.com