... 5,Remote control calibration( Switch channel) 6,PTZ pitch angle 7, PTZ pitch angle trimming(ratio CH input)- Output CH(PWN): 1 ... , PTZ Pitch angle servo 2, PTZ roll servo, 3, No.1 motor input ... Auto-mode.It can be trimming by button 7 to adjust angle.Shaft distance: 17.7in/450mm - Net weight: 0.65lb/282g ...