DX 18 set up queation

[Lil Giants]

I use the Sabertooth 2x25 in my JD850 & the 2x12 in my old Stahl 922, both models are on the DX18 & both have their DIP 1 set to mix.

On the DX18, Aux 4 is left slider, Aux 5 is right slider.

The dual esc does behave differently on the sliders vs a stick, the "sub trim" in radio settings is neutral or center point & the numbers are excessive one way or the other to find neutral for both steering & for/rev motion.

The dead band on neutral is very small for both steering & for/rev, just one click from center on the indent of the slider to make the tracks stop moving. I've fussed with DIP 5 & DIP 6 switches to try to calibrate & hold, but it seems to change every time I turn on the model. I believe I have both DIP 5 & DIP 6 switches up so the Sabertooth initially recalibrates itself every time I turn on the model.

I use left slider (Aux 4) for steering & right slider (Aux 5) for for/rev.

My memory doesn't serve me quite as precisely anymore, you'll need to look at Sabertooth manual, it's DIP 1 is the motor controller mix, but I don't recall if UP is on or off. And I find that DIP 4 acceleration ramping on works with better results than off.

My JD450 has brushless motors to propel the tracks, so it has individual esc's, & trying to mix the sliders so I can drive it like a Sabertooth... I couldn't get it to work properly, so I operate one track on each slider... I would prefer the mix control, but it is what it is with this model.