Optoma hdcast pro - Setup and Installation; Step 1: Connecting HDCast Pro

SETUP AND INSTALLATION
Step 1 - Connecting the HDCast Pro
The HDCast Pro dongle is compatible with MHL interface, so there are 2 ways to connect with HDCast Pro
dongle with your receiver devices. Use the switch to choose HDMI output or MHL output, please be noted
your MHL device must provide 900mA power, and if you use HDMI out, you will need external 5V/1A DC
power to bring up the dongle.
MHL
HDMI
Plug into MHL port directly to use it directly.
*Requires 900mA from MHL port
Use external DC power, and make sure you're
your USB DC power can provide 1A current.