Tvheadend

My setup is working and I see the channels I want (CBS, NBC,PBS) under Configuration->DVB Inputs->Services, but they don’t appear in the EPG. It’s tough to schedule/record them without them listed on the EPG. I use the preconfigured muxes of Boston.
I use Raspberry Pi B+ TVH 4.3-1994~gc7b713edb. My tuners are HD Homerun Extend (ATSC-T). Thanks.