This tip will show you how to set up the Hisense PX1 Auto Power On.
Also you can enable HDMI&CEC compatible device auto power off, see the steps below:
HDMI cables must be used to connect HDMI&CEC compatible devices to your TV. The HDMI&CEC feature of the connected device must be turned on. If you connect an HDMI device that is not HDMI&CEC compatible, all the HDMI&CEC control features do not work. Depending on the connected HDMI device, the HDMI&CEC control feature may not work. The HDMI&CEC feature are supported One Touch Play, Routing Control, System Standby, Device OSD Name Transfer, Remote Control Pass Through, Give Device Power Status, System Audio Control.
Read more:
Hisense PX1 Wired Network Connection Guide
Hisense PX1 Bluetooth Speaker Connection Guide
Hisense PX1- New Triple-Laser UST Projector Released in June