EG,
Not sure about the KR timer, I use the older ZTron timer. I only use the timer to set the motor start delay (20 sec.) and the flight time (this is what I like about the ZTron timer just flip nixie switches). I set the motor rpm, cut-off and start to a soft start in the ESC, this gives about 15 ish sec. to ramp up.
Best, DennisT