Technical information
4-5
B. MECHANICAL FUNCTIONS
The  mechanical  functions  of  the  ATN  NVM-14  allow  for  dif-
ferences in the physical features of individual operators and 
provide for operating the system. These functions include the 
On/Off/On IR control
, 
eye relief
 (see Section III Mounting Pro-
cedures – Headmount Adjustments), 
diopter adjustment
, and 
objective lens focus
. These mechanical controls are identi-
fied in Figure 4-3.
Figure 4-3 
Mechanical Functions










