Warning light control method

A warning light control method for controlling the operation of a light device comprising a plurality of warning lights, each of said warning lights being electrically connected to a control bus and a data bus through a cable, the warning light control method comprising the steps of:

• A. accept said warning lights to receive a start command to set up a flash mode and number each said warning light sequentially starting from 1, and use said flash mode number to synchronously set an ID number of each said warning light;
• B. Set said ID number of one of said warning lights as a starter, and the rest of said ID numbers as receivers;
• C. the said warning light set as starter receives a start command signal from said control bus through the cable thereof, and sends a data, a clock pulse and an ID information from said data bus, and selects one for flashing by said flash mode;
• D. the said warning lights set as receivers get said data, said clock pulse and said ID information from said data bus through the cables thereof, and said warning lights of said receivers and said starter are flashing synchronously or asynchronously;
• and
• E. whether the common control bus of said starter and said receivers has received a change ID command, if yes, go to step A;
• if no, continue to execute the original said flash mode.