Welcome to the RR forums:
If you used
Uniden Sentinel for programming (much much easier than programming by hand) it should import the data directly from the RRDB as an NXDN conventional object & you shouldn't have to change any mode settings but it sounds to me like maybe you're programming by hand? Menu > Manage Favorites (E)>
{Select Favorites List] (E) > Review / Edit System (E) >
[Select System] (E) >
Edit Department (E) > [Select Department] (E) Edit Channel (E)>
[Select Channel] (E) > Set Audio Type (E)
> DIgital Only (E) > SET NEXEDGE RAN > [Choose RAN code] (E) Press menu repeatedly until scanner returns to scan mode
155.8875 | 159.0375 | WPYR894 | RM | 5 RAN | VERMILLION PDISP | Vermillion Police Dispatch | NXDN | Law Dispatch |