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6.2. TROUBLeShOOTING
Table 6.2 lists common malfunctions that you may find with your
equipment. perform the tests, inspections, and corrective actions
in the order they appear in the table.
this table cannot list all the malfunctions that may occur, all the
tests and inspections needed to find the fault, or all the corrective
actions needed to correct the fault. If the equipment malfunction is
not listed or actions listed do not correct the fault, notify atN or your
point of purchase.
TABLe 6.2. OPeRATOR TROUBLeShOOTING FOR ATN NVM-14
MAlFUNCTION
1 Monocular
fails to acti-
vate.
2 Ir illumina-
tor fails to
activate.
3 Ir indicator
fails to acti-
vate.
4 poor image
quality
6-6
TEST OR INSpECTION
press operation button.
Check for defective, missing or
improperly installed batteries.
In a dark location with system
turned on, activate Ir. Visually
check Ir illuminator operation;
scene should brighten.
Visual.
Check objective lens or eye-
piece focus.
Check for fogging or dirt on
lens.
CORRECTIVE ACTION
press button one
short push.
replace batteries or
install correctly.
If Ir illuminator fails
to activate, refer to
higher level of main-
tenance.
refer to higher level
of maintenance.
refocus.
Clean lens surface.
If image quality is still
poor, refer to higher
level of maintenance.
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