Countermeasure Set Control Panel (CMSP)
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Top section of the right console, immediately forward of the Canopy Jettison Handle.
Manages the A-10C’s electronic warfare and countermeasure systems, including the AN/ALE-47 dispenser (chaff/flare), AN/ALR-69 Radar Warning Receiver (RWR), AN/ALQ-131/184 jammer pod, and AN/AAR-47 Missile Warning System (MWS). The panel controls system mode, power, and program selection for automatic or semi-automatic threat defense.
MWS (Missile Warning System)
JMR (Jammer)
RWR (Radar Warning Receiver)
DISP (Countermeasure Dispenser)
OFF: System powered down.
STBY: Warm-up and self-test active.
MAN: Manual dispensing only.
SEMI: Pilot consent required for automatic dispense.
AUTO: Fully automatic threat detection and response.
JTSN Knob (BRIGHTNESS) — Adjusts display brightness for visibility under varying cockpit lighting.
NWS (Naval Warning System) — Enables power to the threat detection subsystems.
JMR (Jammer) — Controls the ALQ pod’s power and activation.
RWR (Radar Warning Receiver) — Activates radar threat detection.
DISP (Dispenser) — Arms the ALE-47 countermeasure system for chaff/flare deployment.
MENU / ON / OFF Toggle — Accesses setup menu for system programming and BIT (Built-In Test).
Four Arrow Keys (▲ ◄ SET ► ▼) — Used for navigating and setting up programs, threat categories, or dispense sequences via the CMSP display.
NXT / RTN Buttons — Used for navigating between system pages and returning to the main status screen.
Recommended hardware (simpit)
6 × ON-OFF or ON-ON toggle switches (with black caps for authenticity).
1 × 5-position rotary switch (for mode selection).
4 × tactile push buttons (for arrow keys).
2 × small tactile push buttons (for NXT and RTN).
Optional small OLED or 16×2 LCD to simulate the CMSP display.
3 mm black matte acrylic faceplate, white engraved legends, green translucent screen window.
Mount compatible with backlighting; cutout for display optional for advanced builds.
Recommended mounting depth: 25–30 mm to accommodate toggle clearance.
Green backlighting through engraved labels and display window.
Can simulate standby glow using low-brightness LEDs behind display glass.
Notes (DCS-BIOS) Fully functional in DCS A-10C via DCS-BIOS.
Key bindings include:
CMSP_MODE_KNOB (rotary positions)
CMSP_JMR_TOGGLE, CMSP_RWR_TOGGLE, CMSP_DISP_TOGGLE (individual systems)
CMSP_JTSN_BRT (analog brightness)
CMSP_NXT_BTN and CMSP_RTN_BTN (navigation) The display output can be captured and replicated on a physical LCD through serial communication for realism.