Armasight NAMPVS700133DB1 PVS7 GEN 3 Bravo Night vision goggles - Manual (Page 29)

29
NOTE:
Any changes to maximize eye relief will require readjustment of the diopter rings.
9. While observing an image through the device, adjust the objective lens focus (Figure 3-1) until the
image becomes sharp and clear.
10. To flip the device up, place your hand under the goggles, grasp the goggles and rotate them up and
backwards until the latch is firmly engaged.
NOTE:
The PVS-7 will turn off automatically when flipped up. The PVS-7 will not turn on automatically
when flipped back down; you will need to turn it on manually.
11. To flip the device down, grasp the goggles and rotate them down and forwards until the latch is
firmly engaged.
12. To resume operation, turn the switch to the RESET/ OFF position, then to the ON position.
C. Hand-Held Operation
CAUTION:
Operate the PVS-7 only in dark environments. If you need to operate the device in daylight,
always use the lens cap to cover the objective lens.
NOTE:
When using the PVS-7 without a mounting device, always use the neck cord.
1. Verify that the batteries are installed per paragraph 3.3.1, B.
2. Turn the RESET/ OFF-ON-IR/ PULL switch ON.
3. Adjust the interpupillary distance (Figure 3-1) by sliding the eyepieces together or apart so that each
eye can observe the entire field of view at the same time. The eyepieces adjust independently.
4. Hold the PVS-7 with your left hand and fold the left eyecup over the eyepiece with your left thumb or
forefinger to obstruct the view through the left eyepiece. Rotate the right diopter adjustment ring
until you are able to observe the clearest possible view through the image intensifier screen.
5. Hold the PVS-7 with your right hand and fold the right eyecup over the eyepiece with your right
thumb or forefinger to obstruct the view through the right eyepiece. Rotate the left diopter adjust-
ment ring until you are able to observe the clearest possible view through the image intensifier
screen.
6. While looking through the device, readjust the objective lens assembly until the image becomes
sharp and clear.
FIGURE 3-10. FLIP-UP HELMET MOUNT