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Operation Manual
NVS 14 Series
NIGHT VISION MONOCULAR
NVS 14-3XT, NVS 14-3GCS, NVS 14-3AG, NVS 14-3AGBW
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 the 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 open the objective lens of an active Unit in bright light, including daylight. In the daytime the objective lens must
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Precautions All NVS 14 series devices are sophisticated electro-optical instruments. They should be handled with due care: Each Unit contains fragile components. Avoid hard impacts, dust, moisture and abrupt changes of temperature. Do not touch the optical surfaces other than for cleaning with an appropriate lens cleaning kit. Doing so may damage the anti-reflective coating. Clean optical surfaces with professional lens cleaning supplies. Use only a soft clean cloth to clean th
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TABLE OF CONTENTS 1. OVERVIEW .................................................................... 3 2. STANDARD DELIVERY SET ....................................... 5 2.1 Optional accessories .............................................. 5 3. SPECIFICATIONS .......................................................... 6 4. UNIT DESIGN................................................................. 8 5. OPERATION INSTRUCTIONS ..................................... 9 Installing batte
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6. TROUBLESHOOTING ................................................. 21 No green (or black and white) image visible .................. 21 Image is unclear ............................................................. 21 Image flashes .................................................................. 21 Condensation accumulates on Unit ................................ 21 Visibility decreased or disappeared ................................ 22 7. WARRANTY ...................................
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1. OVERVIEW Your NVS 14 series device (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 (“Gen 3”) image intensifier tube (“IIT”), which amplifies low light, such as moonlight, starlight or man-made light. The Unit is waterproof to the depth of 1 meter for 30 minutes (with the exception of NVS 14-3GCS which is waterproof to 20 meters for 30 minutes). 3x, 4x and 8x a
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Features Flip-up mechanism provides for unobstructed vision when the Unit is mounted on headgear or helmet; Built-in infrared illuminator enables observation in total darkness (i.e. basement, cave or dark room); Optional NVS H Mount (helmet mount) allows for effective combat operations; Optional weapon mount converts Unit to a night vision weapon sight that can be used alone or in conjunction with other daytime weapon sights; Soft rubber eyecup makes viewing comfortable; U
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2. STANDARD DELIVERY SET QUANTITY NVS 14 Series Unit 1 Head Harness 1 NVS Arm Mount 1 Objective Lens Cap 1 Operation Manual 1 Lens Cleaning Kit 1 AA battery 1 2.1 Optional accessories US-style clip mount NVS Bridge Demist shield Hard case Sacrificial window Lens brush 3x add-on lens Camera / video adapter 5x add-on lens NVS H Mount Weapon mount NVS Coupler Exact Delivery Set is subject to specific contract terms. 5
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3. SPECIFICATIONS Model 3XT 3GCS 3AG 3AGBW IIT Generation Gen 3 Photocathode Material Gallium Arsenide (GaAs) Black & Image Colour Green White Photocathode Diameter 17.5mm 1 1800 µA/lm Minimum Photocathode 2 Sensitivity 190 mA/W 3 40,000 – 70,000 fL/fc Luminous Gain 4 10,000 – 20,000 fL/fc Auto-gating X 5 Minimum Resolution 64 lp/mm 6 Minimum Signal to Noise 24 Bright Source Protection Automatic Brightness Control Auto-gating X Manual Gain Control Manual Gain Adj
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1x 3V CR-123 Lithium battery Power supply OR 1x 1.5 V AA Alkaline or lithium battery Maximum Current 25 mA Consumption Voltage 2.8 0.8 20 hours with I/R Battery life 40 hours without I/R Dimensions 118x48x69mm Weight 300g Operating Temperature Range -50 to +55 °C MTBF 10,000 hours @2.5 lp/mm 92% @7.5 lp/mm 80% Modulation Transfer Function @15.0 lp/mm 61% @25.0 lp/mm 38% Spot Size Zone 1 Zone 2 Zone 3 (inches) 0.012 ~ 0 0 0 0.015 0.009 ~ Black Spots Allowed per Zone 0 0
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4. UNIT DESIGN 5 4 8 9 3 6 7 2 1 FIGURE 1 1. On/Off/IR/Auto switch 6. Battery compartment cover and battery selection bushing 2. Objective lens cap 7. Battery compartment 3. Objective lens 8. Dovetail platform 4. Eyepiece with eyecup 9. Manual gain adjustment knob 5. Housing 8
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5. OPERATION INSTRUCTIONS Installing battery Unit is supplied without a battery installed. Prior to installing the battery, make sure the On/Off/IR/Auto switch (1, Fig.1) is in the OFF position and the objective lens cap is on. The Unit can operate on either a single AA or CR-123 lithium battery. Lithium batteries hold a charge longer than conventional batteries and provide better performance at low temperatures. To install a battery remove the battery compartment cover (6, Fig.1) b
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the screen is not lit ensure the batteries installed are charged and the polarity is correct. When the Unit is ON you may see a red and/or yellow LED indicator in the field of view (Fig. 2). When the yellow or red LED indicators are flashing, the remaining battery power is low and it should be changed. For uninterrupted operation keep a fresh battery ready and FIGURE 2 replace it on time. If the red LED IR illuminator indicator (red, indicator is lit solidly, the IR left), Low
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Switching the Unit off After you have finished using the Unit, turn it off by rotating the On/Off/IR/Auto switch to the ‘OFF’ position. Replace the objective lens cap. If storing the unit for an extended period, remove batteries. Place Unit in appropriate storage container. Adjusting to individual vision Turn on the Unit. Direct the Unit at an object placed within 8-15 m from the viewer. While looking through the Unit at the object, first rotate the diopter adjustment ring on the eye
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Auto shut OFF at bright light Each unit has a built-in high light sensor located near the IR illuminator (2, Fig. 1). This sensor shuts the monocular off after -1 about 45 seconds of exposure to light exceeding 10 lux. To reset the monocular 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 in order to avoid perman
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6 Technical drawing of US clip mount 1 2 3 5 4 FIGURE 3 1. “Swing arm” mount 4. Unit groove 2. Grooved pad 5. Flip button 3. Locking knob 6. US clip mount Using the Unit with headgear or helmet The Unit is supplied with headgear designed to allow the mounting of the Unit on the head. Prior to using the headgear adjust its straps so that the headgear fits the head comfortably but firmly and does not slide off during movement. The Unit is attached to the headgear with a swing arm mou
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To set comfortable eye-relief (the distance between your eye and the eyepiece), loosen tightening screw on the headgear and move the Unit, then tighten the locking screw. To use the Unit with PASGT head and helmet mount unscrew the grooved pad (2, Fig. 3) from the swing arm mount and screw on the US type clip (6, Fig. 3) using four screws (Fig. 3) instead. US type helmet clip is optional and must be ordered seperately. To switch between left and right eye, press the flip button (5, Fig.
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5.2 Installation of add-on lenses. Always ensure that the Unit is switched off when adding or removing an objective lens. To attach the afocal 3x add-on lens to the Unit, turn off the monocular. Remove the objective lens cap. Press the 3x lens firmly towards the eyepiece. Do not apply excessive pressure. Make sure that the lens is fixed well on the monocular. To return the monocular back to 1x magnification, pull off the lens. FIGURE 4 NVS 14 with afocal 3x lens
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3. To detach the current lens: hold the lens by its base and rotate it counter-clockwise. Once the lens has been removed, store it in a safe, clean space. 4. To attach desired lens: rotate it clockwise along the threading until snug—do not overtighten. The threads are very fine (to prevent humidity penetration) and can be damaged easily. Do not apply force when rotating the lens. If the desired lens does not rotate smoothly along the threading, make sure that the threads are aligned. T
