TM 5-6675-324-14
4-3.
TECHNICAL PRINCIPLES OF OPERATION.
4-3.1 General.
The copy material, either transparency or paper, is placed on top of the original.
When this composite is exposed to the infrared source, the image of the original is
thermographically made on the copy material.
4-3.2 Detailed.
a.
Electromechanical System.
4-3