Handheld programmer for lighting control system

A method for replacing a ballast in a lighting control system that comprises a first ballast having a first unique identifier associated therewith and a bus supply interconnected by a communication bus, the method comprising the steps of:

• providing the first ballast with a first ballast configuration setting;
• storing in the bus supply first ballast electronic configuration information representing the first ballast configuration setting, and storing in the bus supply the first unique identifier;
• removing the first ballast from the lighting control system;
• installing a second ballast having a second unique identifier associated therewith in the lighting control system;
• transmitting an instruction to the bus supply to configure the second ballast with the first ballast configuration setting;
• correlating the second unique identifier with the first unique identifier;
• and
• configuring the second ballast with the first ballast electronic configuration information stored in the bus supply.