for extended range, through pin K of J1, P1 and
5-6. Panel Lights
the aircraft's interconnecting harness.
The two panel lamps, L4 and L5, are used to
b. REG Position. When switch SW-2 is in the
edgelight the front control panel and receive
their power from the aircraft through pin H of
REG (open) position, the ground potential sup-
J1 and P1. Panel lamps are normally controlled
plied to the TSEC/KY-28 is removed.
along with the aircraft panel lamps.