How to Automatically set Levels & Ping remote station in VARA FM

How to Automatically set Levels & Ping remote station in VARA FM
Using 3 radios, computers, and VARA FM -
Showing how to auto tune the levels -

Input level is set by the sound from the radio's squelch output, keeping it between half scale and bottom of the red (left side of VARA FM Window)
Disable AGC on your input and set the mic/aux input level to get this within the appropriate range.