Speed control

I'm trying to control the speed of my motor with the vesc tool. It seems like no matter what I do, after I program my esc, it just becomes an on/off switch for my motor. I pass the PPM threshold and it turns my motor on and at full speed. Any higher doesn't do anything. If i go below, it just stops the motor.

I would like to control the motor with a servo signal (50Hz 1.5ms center, 5VPP, 1.0-2.0ms range) to have the motor spin from 0-3000 rpm

Here's my hardware:

function generator for PPM testing

12V LiFePO4 battery for testing

flipsky FSESC 4.12 

Flipsky motor - 6354 190KV 

I have just been following the set up wizards on the home screen of the VESC tool. Any help would be appreciated.