12. Connect the helmet
communications system as
follows:
a. Referring to
Figure 2-51
,
ensure that the microphone
cord is plugged into the
communications cord
connector at the rear of the
helmet.
b. Plug the helmet
communications cord into
the aircraft communications
device.
13. Referring to
Figure 2-52
, adjust
the microphone to the proper
operating position as follows:
a. Loosen the swivel by
rotating it counterclockwise.
b. Rotate the boom up or
down.
c. Slide the rear part of the
boom forward or back.
d. Tighten the boom swivel by
rotating it clockwise.
e. Adjust the front of the boom.
f.
Loosen the knurled screw
on the microphone, adjust
the microphone, and tighten
the knurled screw.
(Continued on next page)
32
Figure 2-51. Microphone Cord
and Connector
Communications cord
connector
Microphone
cord plug
Communications
cord
Figure 2-52. Adjusting Microphone
Swivel
Knurled screw
Boom
Summary of Contents for HGU-56/P
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Page 72: ...66 Figure 4 2 Dual Visor Assembly Plain 2 3 1 11 7 9 4 5 6 10 8...
Page 80: ...74 Figure 4 7 ANVIS Direct Mount Dual Visor Assembly 1 11 7 9 4 5 6 10 8 3 2 12 14 15 13...
Page 84: ...NOTES...
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