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Operation Manual
NIGHT VISION GOGGLES
NVS 15
105 Sparks Ave., Toronto, ON, M2H 2S5, Canada
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IMPORTANT INFORMATION Read prior to activation. You have purchased a sophisticated electronic device. To operate it properly, please read this manual carefully. Ignoring operation procedures described in this manual will void your warranty. NEVER disassemble the unit. This device contains a source of high voltage, which may be hazardous to your health. NEVER expose objective lens of an active unit to bright light, including daylight. In the daytime objective lens must be cover
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Precautions NVS 15 is a sophisticated precise optical instrument equipped with electronics. It should be handled with due care: Do not touch the optical surfaces other than for cleaning. Doing so may damage the anti-reflection coating. Clean optical surfaces with professional lens cleaning supplies. Use only a soft clean cloth to clean the exterior of the device. Keep the unit away from sources of heat, such as heating appliances, sunlight or central heating. Switch off the u
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TABLE OF CONTENTS 1. OVERVIEW .................................................................... 3 2. DELIVERY SET .............................................................. 5 2.1 Optional accessories .............................................. 5 3. SPECIFICATIONS .......................................................... 6 4. UNIT DESIGN................................................................. 7 5. OPERATION INSTRUCTIONS ..................................... 8 5.
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5.17 Binocular configuration ...................................... 18 6. TROUBLESHOOTING ................................................. 19 6.1 No green light through eyepieces ........................ 19 6.2 Image is unclear .................................................. 19 6.3 Image flashes ...................................................... 19 6.4 Condensation accumulates on the parts .............. 19 6.5 Visibility decreased or disappeared ..................... 19 7.
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1. OVERVIEW NVS 15 (the unit) is an optoelectronic monocular, intended for observation of objects and orientation at night or under dark conditions. The unit is equipped with a generation 3 image intensifier tube, which amplifies low light, such as moonlight, starlight or man-made light. An add-on lens can be attached to the unit to increase magnification. Two units are combined to form a binocular configuration. NVS 15 goggles in binocular configuration can be mounted on a helmet (
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Optional weapon mount allows night shooting or also be used in conjunction with halosight Soft rubber eyecup makes viewing comfortable Unit can be connected to photo or video camera Please read all the instructions carefully before using it. Manufacturer reserves the right to introduce minor design changes without notice. 4
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2. DELIVERY SET Standard* Delivery Set includes: Quantity NVS 15 1 NVS bridge 1 Headgear set 1 Lens cap / Battery cover 2 Manual 1 Lens cleaning kit 2 Carrying bag (soft) 1 AA Battery 2 Warranty card 1 2.1 Optional accessories US clip mount Hard case Demist shield Lens brush Sacrificial window Camera / video adapter 3x add-on lens Helmet mount 5x add-on lens Weapon mount *Exact Delivery Set is subject to the specific contract terms. 5
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3. SPECIFICATIONS NVS 15 Magnification 1x Field of view 40 Focus range, m 0.25- Interpupillary distance,mm 58-72 Exit pupil diameter, mm 20 Eye relief, mm 25 Dioptric correction +5 … -6 3V CR-123 Lithium battery, 1 pc. or Power supply 1.5 V AA Alkaline battery, 1 pc. 20 hours with I/R Battery life, hours 40 hours without I/R Size, mm 118x120x69 Weight, goggles only, g 720 NOTE: Due to continuous design improvements parameters may vary from those given above. 6
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4. UNIT DESIGN 5 8 3 6 2 10 7 9 4 1 FIGURE 1 1. On / Off and IR illuminator switch 7. Battery compartment cover with battery type adapter 2. Objective lens 8. Quick release knobs 3. Eyepiece with eyecup 9. Dovetail platform 4. NVS 15 housing 10. Manual gain adjustment knob 5. Standard Headgear/helmet mount 6. Interpupillary adjustment buttons NVS bridge with US Mount 7
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5. OPERATION INSTRUCTIONS 5.1 Installing battery Unit is supplied with uninstalled battery. Prior to installing the battery, make sure the switch (1, Fig.1) is in the OFF position and the lens cap is on. The unit can operate on either AA Alkaline or CR-123 Lithium battery. Lithium battery durability is doubled against the service time of conventional battery and provides better performance at low temperatures. To install battery unscrew the battery compartment cover (6, Fig.1). When
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the user that the IR illuminator is on (for more details on illuminator see 6.9). In the daytime with lens cap on it is normal to observe a fuzzy image. Switching on the night vision device in the daytime is intended for testing purposes only. The rotating switch has four positions: “Off”, “Auto”, “On”, “IR”. In Auto mode the goggles will switch off automatically when turned FIGURE 2 upright. This mode saves battery life IR illuminator indicator (red, and allows avoiding greenish
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5.5 Focusing To obtain a sharp image at some other distances adjust the lens focus (3, Fig. 1) leaving the eyepiece setting intact. You should be able to obtain a sharp image for distances from 2-10m to infinity. If you wear eyeglasses or NBC protective mask, you may like to fold the rubber eyecup. 5.6 Manual gain adjustment NVS 15 goggles is equipped with the manual gain adjustment handle. The light gain of the Image Intensifier Tube is set to the level, at which it allows viewing in
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5.7 Auto shut OFF at bright light The NVS 15 goggles has a built-in high light sensor located near the IR illuminator (2, Fig. 1). This sensor shuts the goggles off -1 after about 45 second exposure to light exceeding 10 lux. To reset the goggles switch it off and then back on as described in 6.3 and 6.2. High-light shut-off feature does not mean that the unit will react to occasional flashes or bright spots. It protects the tube against excessive light exposure only. 5.8 Using the un
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5.9 Swinging head mounted unit for unobstructed view When the head mounted unit is not in use you can raise it to clear the view without taking the headgear off by using the “flip/flop” feature. To swing the unit from the view press the button (1, Fig. 3) and raise the device until you hear a click. In “Auto” position of the switch, the goggles will turn off automatically. Reverse the operation to return the unit to working position. 5.10 Using IR illuminator In case of insufficient
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5.11 Installation of add-on lenses. Always make sure that the goggles is switched off when you put on or take off the add-on lens. FIGURE 4 NVS 15 Single unit with attached 3x lens Note: The following procedure is identical for 3x or 5x lenses (or any other add-on lenses). Turn off the goggles. Remove the lens cap. Press the lens firmly towards the eyepiece. Do not apply excessive pressure. Make sure that the lens is fixed well on the goggles. To return the gogg
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Demist shield filter protects the eyepiece against fogging. To install it fold the eyecup to the very bottom to get the full access to the thread, and screw the filter gently onto the eyepiece. 5.13 Using the camera / video adapter Before using the (optional) adapters, remove the rubber eyepiece carefully. The adapter (Fig. 5) consists of 2 rings: a) Camera adapter is 52x0.75mm. It fits the filter lens thread of various cameras, e.g. Nikon. FIGURE 5 b) Video adapter is 37x0.75mm.
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4 1 2 3 FIGURE 6. Helmet mount 1. Locking screw 3. Flip-flop adjusting screws 2. Flip/flop button 4. Mount binding screw The unit is fixed to the mount by the locking screw (1, Fig. 6). To adjust the position of the unit to your eye level use the screw (4, Fig. 6). To adjust the eye relief first loosen the locking screw (1, Fig.6) and set a comfortable distance between the eyes and the eyepiece; then tighten the locking screw back. You can fixate the unit in three predetermined posit
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You can raise the unit for unobstructed view without taking the helmet off. To do so press (and hold) the button (2, Fig.6) and rotate the unit until you hear a click. All other operations with the unit mounted on a helmet are identical to those with the headgear. 5.15 Mounting on a rifle The unit can be mounted on a rifle with Picatinny mount adapter (MIL-STD-1913). The optical axle of the goggles coincides with the rifle’s Picatinny rail. FIGURE 7. NVS Unit with Picatinny adapter.
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The advantages of the ‘Quick Release’ mount are: Quick removal and installation of the device; Foolproof design; FIGURE 8 Quick Release adapter “Accu-torque” screw Latch with spring Increased reliability. 5.16 Using with a daytime riflescope Although the unit does not contain a reticle and thus cannot be used as a riflescope, being mounted on a daytime riflescope or red-dot sight, it enables aiming at night. In this configuration the objective lens of the unit is mounted on
