Thats not connected correctly
Steering should be ch 1 and throttle should be ch2
you have them plugged into batt and ch 3
Heres some links on binding it
https://www.google.com/search?q=etronix+pulse+binding&oq=etronix+pulse&gs_lcrp=EgZjaHJvbWUqBwgBEAAYgAQyCQgAEEUYORiABDIHCAEQABiABDIHCAIQABiABDIHCAMQABiABDIHCAQQABiABDIHCAUQABiABDIHCAYQABiABDIHCAcQABiABDIHCAgQABiABDIHCAkQABiABNIBCjEwMTMwajBqMTWoAgiwAgE&sourceid=chrome&ie=UTF-8