I just got a GWS 4 channel flight pack and single conversion crystal to go with my new slow stick and futaba T4YF 4 channel transmiter. The problem is that none of the servos or the motor is working, on the back of the RX it says "75 mhz band" but isnt the crystals and tx 72mhz ? also can you have a single conversion rx crystal with a dual conversion tx crystal?

thanks, chris