My personal experience (cockpit.ini functions, Type=...):
Those are new for me, never seen, never tried before:
CONTROL_STICK
COURSE_DIFFERENCE
ECM_TRANSMIT
ENGINE_EXHAUST_PRESSURE
MAX_G
MISSILE_INTERLOCK
RADAR_AZ_ANGLE
RADAR_LOW_VC
RADAR_OBSTACLE
RADAR_TARGET_CLOSURE_RATE
RADAR_TARGET_RANGE
THREAT_AZ_ANGLE
THREAT_INDICATOR
TURN_COORDINATOR
TV_DISPLAY
Those were known, but operational not sure:
GYRO_COMPASS (never used)
HYDRAULIC_PRESSURE_INDICATOR (never worked for me)
LOW_ALT_WARNING_LIGHT (seems it works, but I have failed on F1CZ test, should retry)
PNEUMATIC_PRESSURE_INDICATOR (mostly not operational)
THREAT_CW_WARNING_LIGHT (never got it on, but difficult to test with sure conclusion)
THREAT_GROUND_RADAR_WARNING_LIGHT (never got it on, but difficult to test with sure conclusion)
Open to feedback from the others ...