The scan "listens" on every channel from 2 to 69and pauses when it detects a digital carrier wave. If it is able to decode the station, it reads its PSIP data, and adds its virtual channels to the channel map. If no PSIP is transmitted, the physical Asus DTV tuner number is used, and each transport stream is enumerated according to its TSID converted from hexadecimalor starting sequentially at. Several TV stations are using or have used a temporary channel[…]
