Have a Jeti 77 OPTO ESC. I cannot successfully program it with the Program Card (I am not getting a Beep, as the instructions indicate). I set all the jumpers, connected the ESC to the Program Card, and then connected the 4.8 V receiver battery pack. Nothing, No beep ! Am I supposed to also connect the large LiPo pack ? It is a 5S ..... I was afraid to connect it without having the ESC programmed first. Also, I am using a 2-turn Mega Motor (it is a ducted fan) ..... should the timing be High or Low ? Thanks. Bob

Got it programmed OK with the Programming Card ...... the large LiPo pack and the Motor had to also be connected for the programming to work. Bob