TM 5-6675-323-14
5-3.2 Electrical.
a. Fan motor control switch controls power to fan motor. Individual on/off
switch and potentiometer (combined) regulate ac to circuit card (A1/A2). Ac is
amplified and changed from full-wave to partial wave by circuit card. Power trans-
former provides high voltage ac to illuminate light grids. Intensity of each light
grid is controlled by potentiometer to provide illumination from 500 to 2000 foot
l a m b e r t s ( 1 7 1 3 . 1 t o 6 8 5 2 . 5 c d / m2 ) .
5-5
