Hytera PD462 Tier II DMR & Analogue Radio 450-520 MHzThe Hytera PD462 supports not only scanning in the programmed list but also functions below. CTCSS CDCSS Stand by Users can manually enable, disable or modify the CTCSS CDCSS function via the radio menu. It is a welcome feature when there is a lot of radio traffic. Where more than one user group are on the same channel, CTCSS filters out other users if they are using a different CTCSS tone or no CTCSS. This allows you to set up the radio so you only