37.  Drop tanks pressurising cock 38.  Ammunition compartment         overheat warning light 39.  Air-inlet selector 40.  Ammunition compartment heat         emergency shut-off 41.  Circuit breaker panel (see fig.7) 42.  Windscreen anti-ice overheat         warning light 43.  Cockpit air inlet 44.  Windscreen anti-icing control 45.  Hood auxiliary defrost lever 46.  Air brakes control 47.  Gunsight caging pushbutton 48.  Rocket projector release control 49.  Air brakes emergency closing         control 50.  Flap selector 51.  Oxygen pressure gauge and         flow indicator (aircraft up to         serial No. XB593) 52.  Pressure head heater switch 53.  Hood operating switch 54.  Undercarriage warning horn         override 55.  Undercarriage position indicator 56.  Landing and taxy lamps switch 57.  Rocket bomb and drop tank         jettison pushbutton 58.  External load emergency         mechanical jettison handle 59.  Oxygen regulator pressure         breathing knob (aircraft up to         serial No. XB593) 60.  Oxygen regulator diluter control         handle (aircraft up to serial No.         XB593) 61.  Throttle friction control 62.  Throttle lever 63.  Pilot's press-to-transmit         pushbutton 64.  Power controls hydraulic system         changeover switch 65.  Stand-by longitudinal trim switch 66.  Rudder trim switch 67.  Stand-by lateral trim switch 68.  Cockpit pressure control switch 69.  Cockpit pressure selector         switch 70.  Cockpit selector rheostat 71.  Cockpit temperature control         switch Note.-Emergency fuel regulator switch, directly above throttle quadrant, is hidden by hood rail Port Side Cockpit of RAF Sabre Mk.4. Click numbers for description of that item in the Notes (Click green number beside the item to return to this page).