The wall plate and antenna aiming are the key to over the air (OTA) reception.
Make sure the power light is ON (this switches the wall plate from "cable" to "antenna" and routes power up the coax to the amplifier in the white box between the bat wings.
Rotate the antenna until the "wings" of the "Batwing" antenna are 90 degrees to the transmission towers. Picture the white box as the cockpit of an aircraft and the wings as the wings of the aircraft; fly to the towers.
So, where are the towers?
With an iPhone or iPad you can use a program like "towers" to locate the broadcast towers and using the satellite map find your actual camp site and the program will give you something to aim your antenna with.
With a computer, use the web and the site
AntennaWeb - Home to accomplish the same thing.