TM 1-8415-215-12&P
f. Boom and Headset-Microphone (Figure 2-5). The boom swivel assembly (1) allows for easy adjustment and
location of the boom (2) and microphone (3).
Figure 2-5. Boom and Headset-Microphone
g. Visor Mechanisms (Figure 2-6). The outer visor lock (1) raises and lowers the outer lens (3). The actuating knob
(2) raises and lowers the inner lens (4). Both the outer visor lock and the actuating knob can be moved to the other side
of the housing for right- or left-hand operation.
Figure 2-6. Visor Mechanisms
2-3