To use your T8 or T9 as a Monitor with a DSLR Camera or a DJI Smart Controller you will need:
A HDMI input adapter like the one on the picture:
You can get one here: https://www.tripltek.com/product-page/hdmi-input-adapter-for-tripltek-9
You will also need to install a APP on your TRIPLTEK 9 . We recommend you to install this nExt Camera – USB , you can find it at the Google Play Store or on this link: https://play.google.com/store/apps/details?id=pl.nextcamera&gl=ES
You can watch an example of the Connection with a DJI Smart Controller in this video:
Watch this video from a TRIPLTEK 8 owner