Signal Lights & Fire Detection / HARS-SAS Override Panel
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Left console, directly behind the Fuel Control Panel.
Controls auxiliary cockpit lighting, performs system lamp and fire detection tests, and provides manual override control for the Heading and Attitude Reference System (HARS) and Stability Augmentation System (SAS).
REFUEL STATUS & INDEXER LTS (DIM–BRT) — Rotary potentiometer controlling brightness of refueling status and indexer lights.
WPN STA STATUS LTS (DIM–BRT) — Rotary potentiometer controlling brightness of weapon station status lights.
TOP / ALL / OFF Selector — Three-position rotary switch selecting which lights to test (TOP only, ALL lamps, or OFF).
SIGNAL LIGHTS LAMP TEST Button — Momentary pushbutton used to initiate lamp test for all cockpit indicators.
FIRE DETECT / BLEED AIR LEAK TEST Button — Momentary pushbutton used to simulate overheat and fire conditions to test warning lights and sensors.
HARS/SAS Override (OVERRIDE–NORM) — Two-position toggle switch used to manually bypass or restore the HARS/SAS automatic control circuits.
Rotary knobs: 2 × 10 kΩ linear potentiometers (for DIM–BRT control).
Selector: 1 × 3-position rotary switch (OFF–TOP–ALL).
Pushbuttons: 2 × momentary (normally open) pushbuttons, ideally backlit.
Toggle: 1 × ON-OFF maintained toggle for HARS/SAS override.
Single 3 mm black acrylic faceplate with engraved white legends.
Backplate optional for LED diffusion and wiring stability.
HARS/SAS toggle should be metal-guarded for authenticity.
Sub-panel backlight using green (520 nm) LEDs for DIM–BRT adjustment controls.
Optional integration of warm-white LEDs behind test buttons for visibility.