Futaba 3PV 3-Channel 2.4GHz FHSS/S-FHSS Radio System w/R304SB ReceiverFeatures: FHSS S FHSS T FHSS* protocols 10 model memory Model Reset Model Name (4 Character) Low Battery Alarm Link Mode (T FHSS only) DT3 Selection SW1 Steering Trim Throttle Trim Channel 4 Trim Sub Trim Steering Dual Rates Steering End Point Adjustment spacer Throttle End Point Adjustment Channel 3 End Point Adjustment Channel 4 End Point Adjustment 4WS Brake Mixing Steering Servo Reversing Throttle Servo Reversing Channel 3 Servo Reversing Channel