According to your description, T800 tablet supports HDMI/MHL function. You can try the following steps to connect the TV and output the image to the TV:

1. Prepare HDMI adapter, standard HDMI cable and original charger for tablet computer.

2. Connect one end of the HDMI cable to the HDMI IN interface of the TV.

3. Connect the other end of the HDMI cable to the converter, and the other end of the converter is connected to the tablet computer and the power supply.

4. Switch the TV to HDMI mode.

5. After the above operations are completed, the TV will display the picture on the tablet computer synchronously.

For example, if you need to play the photos in the tablet computer on TV, you can enter the photo album of the tablet computer and click the menu button-Slide Show.

Samsung official website has produced an illustrated FAQ on such issues. Please refer to:

& ampseq = 875586 & ampcid = cn _ PPC _ support _ zhidao _ support others _ 20 130407

Samsung knows to provide you with high-quality solutions and answer your questions attentively, hoping to get your satisfactory evaluation.