PPM Center

Servo‚Äôs Neutral or Center position set by servo manufacturer, expressed as a Pulse Position Modulation (PPM) signal or Pulse Width Modulation (PWM) signal, rate measured in units of microseconds. … Continue reading

Subtrim mode

Specifies whether curve is symmetrical or asymmetrical about the servo travel neutral point. Options: ^ – symmetrical, = – asymmetrical (no clipping).