Digital terrestrial television and coded/encrypted channels zapping automation system for e.g. industrial field, has adapter including module arranged for determining whether encrypted channel that one desires to visualize, is encrypted/not

摘要

The system has a digital terrestrial television adapter (3) including a remote control (4) and a specific module (5) that is arranged for determining whether a coded/encrypted channel that one desires to visualize, is encrypted or not. The adapter has a signal router (8) controlled by the module permitting to automatically change an analog channel of the coded/encrypted channel from a decoder when the channel is encrypted and to change a digital channel of the adapter when the signal is emitted uncodingly.