V3 Firmware Analogue Channels Guide We have seen some customers experiencing interference with the radios on the Analogue channels. We have made some changes to this framework to help address this problem.  To see how to select these channels To set Squelch levels (can also help) If the channel name includes "-T", it means tone or CTCSS filtering is enabled on this channel. If the name contains "-N", it has NO tone filtering.  By default, all tracks should use filtering, but if you go to a track or event and cannot hear anything, try switching to the "-N" channel. This indicates that the organiser's transmitter has not been set up correctly.  Analogue Channel Selection Information. Motorsport NZ Channels MSNZ-T-L  MSNZ-T-M MSNZ-T-H MSNZ-N These channels are all the same channel, with different levels of interference filtering. It will depend on the kind of interference you are getting and what works best for you; it will take a little trial and error to get the right filtering.  Nazcar Channel  NAZCAR-N Speedway Channel SPWay-T SPWay-N