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Operational checks, After checking procedures – Armasight NSGNYX7P01P3DA1 Nyx7 PRO GEN 3P Night Vision Goggles User Manual

Page 25

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25

SEq

NO.

LOCATION ITEM TO

CHECK/SERVICE

PROCEDURE

NOT FULLY MISSION

CAPABLE IF...

4

Lens Cap

Inspect for cracked, torn, or missing lens caps.

Cap is torn or cut.
Cup is not secured to the housing of

the lens.

5

Eyecups

Inspect for dirt or dust. Inspect for cracked, torn, bent, broken or

improperly fitted eyecup.
If necessary, clean as per Part 4.4.2.

Cup is torn or cut.

6

Battery

Compartment/ Cap

Inspect for corrosion, moisture, corroded or defective contacts.

Verify that the o-ring is present.

Contacts are damaged or corroded,

or the o-ring is missing.

7

Function Switch

Check the switch for operation (without a battery).

Switch has no definite stopping

points. Switch knob is broken or

missing.

8

Lenses

Inspect optical surfaces for dirt, fingerprint residue, scratches, chips,

or cracks.

Scratches or chips hinder vision when

the Nyx-7 PRO is turned on. Cracks are

present.
Photoreceiver is damaged.

9

Gain Control Knob

(for Nyx-7 PRO MG)

Check knob for operation.

Knob inoperative.
Knob is missing.

10 Focusing Ring

Rotate the focusing ring to ensure free movement (range is approxi-

mately 1/3 turn).

Ring gets stuck or adversely affects

the user’s ability to properly focus

the unit.

11 Eyepiece Rings

Rotate the eyepiece rings to make sure the eyepiece is not too tight

or too loose. Range is approximately ½ turn.

Ring gets stuck, is too loose, or ad-

versely affects the user’s ability to

properly adjust the diopter.

12 Goggle Kit

Check the straps and pads for cuts tears, fraying, holes, cracks or

defective fasteners.
Check the mount of goggle kit for dirt, dust or corrosion. Insert

goggle rail into guide to verify secure attachment of goggle to head

mount. If necessary, clean the mount with water.
Press the buttons of the mount and check for free motion. Inspect

for damage.

13 Optional Equipment Inspect optional items for dirt, or corrosion, damage, and missing

parts. Check for proper operation.
If necessary, clean as detailed in Part 4.4.2.

Equipment is damaged or parts are

missing.

OPERATIONAL CHECKS

CAUTION:

Do not activate the Nyx-7 PRO in daylight unless the lens cap is on, or you are operating under dark conditions.
CAUTION:

Do not forget to open the photoreceiver after finishing operational checks.
NOTE:

Daylight checks are described below.

14 Function Switch

Install the battery. Turn the switch from OFF to ON. Look for the

green glow in eyepieces (it should appear after a slight delay), and

wait about 10 s for image to disappear.
Look for a flashing red light in eyepiece viewing area.

Image is present.
Red light is flashing.

Close the photoreceiver. Turn the switch from ON to the IR position.

Look for a permanent red glow in the eyepiece viewing area. Turn

the switch from IR to ON position.

Permanent red glow is absent

15 Gain Control

(for Nyx-7 PRO MG)

Rotate the gain control knob to verify that it adjusts the screen’s

brightness level.
Inspect for a broken or missing knob.

Knob does not adjust the screen’s

brightness level.

16 Viewed Image

Inspect for any operational defects (refer to Part 4.3: Identification

of Operational Defects).

Shading, edge glow, flashing, flick-

ering, and intermittent operation,

or excessive cosmetic defects are

found.

AFTER CHECKING PROCEDURES

17

Turn the unit OFF. Verify that the green glow fades from the eye-

pieces.
Remove the battery.
Return the unit and all accessories to the soft carrying case.

TABLE 4-1. CONTINUED