Light signal decoder are the most important application for decoder of the Z1-series (standard and all-in-one classes). Before using them on the model railway, they need to be configured. In the simplest case this is done with the programming button. However, often an additional programming with configuration variables is required.

Qdecoder have some characteristics that distinguish them from other decoder on the market:

• They can generate all signal aspects. No exceptions were discovered so far.
• Signal aspects can contain flash or pulse operations. The operation mode can be changed depending on the signal aspect.
• Signal lamps can gently fade in and out without blanking interval. This blending creates a prototypical cross fade from one signal aspect to the next.
• Further switching commands can be received during the switching of a signal. The signal blends smoothly to the signal aspect of the last command received.
• They can be switched with function buttons of locomotive addresses.
• A switching command can trigger an independently running sequence of signal aspects .

The following decoder types are very suitable for control of light signals. Futhermore all other decoder types of the standard and all-in-one classes are able to drive light signals and can be enhaced by the Signal Add-on if desired. All our products are avaiable in our web shop or at various stockists worlwide.

All signal backgrounds supprted by the Signal Add-on as wellas the needed Mode configurations are described in this folder (pdf download):

A comprehensive documentation with tons of examples can be found in the Qdecoder Handbuch (most chapters are in German language):

The most important signalling systems supprted by decoder with Signal Add-on are listed here: