Control Channel Data Output
From The RadioReference Wiki
Access: (XT Models): Settings > Set C - Ch output.
Control Channel Data Output allows the analysis of control channel data without the need to perform invasive modifications to the scanner
See our Trunked Radio Decoders article for links to various decoders.
CAUTION: This function will prevent the scanner from connecting to any control programs such as Butel, ProScan, etc. Make sure this function is off before using these programs or the connection will fail.