"3ZOOM CONTROL, PUSH BUTTON CONTROLFOR I/O; INT 3 POS SWITCH FOR LOW MED HIGH VOLTAGE SETTINGS FOR LENS TORQUES; SPEED SELECTION VIA KNOB CONTROL; AUTO IRIS MODE 2 POS SLIDE SWITCH FOR MAN/AUTO; AUTO MODE, IRIS IS SERVO DRIVEN TO SELECTED VIDEO LEVELS; VIDEO LEVEL SELECTION VIA SCREW ADJ; SLOW/MED/FAST IRIS RESPONSE VIA 3 POS INT SLIDE SWITCH; MAN IRIS MODE PUSH BUTTON FOR OPEN/CLOSE; FOCUS CONTROL PUSH BUTTON FOR FAR/NEAR; OUTPUTS 1 LENS CABLE 4 CONDUCTOR CONNECTOR, 2 VIDEO BNC 75 OHM CONNECTORS"