When I select live tv the available channels appear and the time schedule shows across the top, but there’s no 24 hour days in the grid to see what’s on each channel.
https://www.tablotv.com/apps-compatible-devices/
Tablo supports multiple apps and/or devices - they function differently. Not everyone will be using the same one you’re struggling with… their answers might not be the answers that’ll work for you.
-> more info needed