Per the
Easier to Read SDS-100/200 Digital Scanner Manual
P25 appears if the channel is receiving digitalized voice in Receive/Hold Modes
P2 appears if the channel is receiving Phase II along with Slot #.
PRV appears if the channel is receiving ProVoice.
DMR appears if the channel is receiving DMR Tier I/II, an FDMA transmission, which usually is a repeater output (2).
DMRs appears if the channel is a TDMA DMR transmission, which always is either the input to a repeater or a simplex frequency (2).
CAP appears if the channel is receiving a Capacity+ system.
CON appears if the channel is receiving a Connection+ system.
DT3 appears if the channel is a Tier III control channel.
S1/S2 appears to show DMR slot assignment.
NX4 appears if the channel is receiving a 4800 NexEdge system.
NX9 appears if the channel is receiving a 9600 NexEdge system.
ND4 appears if the channel is receiving NXDN 4800 Direct Frequency Assignment.
ND9 appears if the channel is receiving NXDN 9600 Direct Frequency Assignment.
NXD appears if the channel is receiving unknown NXDN.
IDS appears if the channel is receiving an IDAS system.
XPT appears if the channel is receiving a Hytera system.