4-5
B. MECHANICAL FUNCTIONS
The mech anical functions of the ATN NVM-14 a llow fo r dif-
ferences in the phy sical fea tures of individua l operator s and
provide for operati ng the system. These fun ctions inclu de the
On/Off/ On IR control
,
eye relief
(see Section III Mounting Pro-
cedures – Headmount Adjustments),
diopter adjustment
, and
objective len s focus
. These mechani cal controls are identi-
fied in Figure 4-3.
Figure 4-3
Mechanical Functions