Operation Manual NIGHT VISION BINOCULARS NVS 7-4x / NVS 7-5x / NVS 7-8x NSN: 5855-20-000-8284 105 Sparks Ave.
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 be covered by cap.
Precautions NVS 7 is a sophisticated precise optical instrument equipped with electronics. It should be handled with due care: Unit contains fragile components. Avoid impacts, dust, moisture and sharp changes of temperature. 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.
CONTENTS 1. OVERVIEW............................................................. 3 2. DELIVERY SET ...................................................... 5 Standard delivery set........................................................ 5 Optional accessories ........................................................ 5 3. SPECIFICATIONS .................................................. 6 Unit specifications ........................................................... 6 Main tube parameters .....................
6. TROUBLESHOOTING ......................................... 16 No green light through eyepieces .................................. 16 Image is unclear............................................................. 16 Image flashes ................................................................. 16 Condensation accumulates on the parts ......................... 16 Visibility decreased or disappeared ............................... 16 7. WARRANTY ......................................................... 17 8.
1. OVERVIEW NVS 7 (the unit) is optoelectronic binocular intended for observation of objects and orientation at night or under dark conditions. The unit is equipped with a generation 2+ or 3 image intensifier tube, which amplifies low light, such as moonlight, starlight or man-made light. Add-on lens can be attached to the unit to increase magnification.
Please read all the instructions carefully prior to using the unit. Manufacturer reserves the right to introduce minor design changes without notice.
2. DELIVERY SET Standard delivery set QUANTITY 1 Binocular configuration: NVS 7 unit with 4x, 5x or 8x lens Lens cap 1 Neck strap 1 Soft case 1 Manual 1 Warranty card 1 AA battery 2 Lens cleaning kit 1 Optional accessories Hard case Exact delivery set is subject to the specific contract terms.
3. SPECIFICATIONS Unit specifications Model Image Intensifier Tube (IIT) 2XT 4x / 5x / 8x 3XT 4x / 5x / 8x Gen. 2+ Gen. 3 Apparent field of view Eye relief 10º / 8º / 5º 25 mm 25 mm 4x / 5x / 8x Objective focal length / F-number 100 mm - F1.5 / 130 mm - F2.3 / 216.4 mm - F2.
Main tube parameters Model NVS 7-2 XT Generation IIT Model ITT Resolution, min Image Intensifier Type (Generation/Grade) NVS 7-3 XT 2+ 3 NCXT4322 N3XT4322 57 lp/mm 57 lp/mm 2+ 3 XT XT Photocathode operating diameter, mm 17.
Spatial frequency-contrast characteristic Frequency, lines/mm Contrast transfer coefficient (XT) 2.5 0.88 7.5 0.72 15.0 0.50 Field of view cleanness SPOTS DIAMETER IN MICRONS > 230 ZONE 1 Ø5.6MM 0 ZONE 2 ZONE 3 Ø5.6-Ø14.7MM Ø14.7-Ø17.
4. UNIT DESIGN 4 1 3 2 5 6 NVS7 – 4x 1. 2. 3. 4. 5. 6.
4 3 1 5 2 6 NVS7 – 5x 1. 2. 3. 4. 5. 6.
6 1 4 3 2 7 5 8 NVS7 – 8x 1. 2. 3. 4. 5. 6. 7. 8.
5. OPERATION INSTRUCTIONS Installing battery Unpack the device. Unit is supplied with battery not installed. Prior to installing the battery, make sure the switch is in the OFF position and the lens cap is on. Unscrew the battery compartment cover (5) and install 2 fresh AA batteries. Observe the correct polarity indicated on the housing. Screw in the battery compartment cover back. Switching the unit on In daylight put on the lens cap prior to switching the unit on.
Solid red dot indicates that the IR illuminator is on. In the daytime with lens cap on it is normal to observe a fuzzy image. Switching on the unit device in the daytime is intended for testing purposes only. Switching the unit off After you have finished using the device, turn it off by rotating switch (1) to OFF position. Put protective lens cap (ex.NVS7-8x, 7) on the lens. Remove the battery from the battery compartment to avoid damaging of the device in case of electrolyte leakage.
Focusing To obtain sharp image at other distance adjust the lens focus (2)leaving eyepiece setting intact. You should be able to obtain a sharp image for distances from 2-20 m to infinity, depending on the objective lens magnification. If you wear eyeglasses or NBC protective mask, you may like to fold the rubber eyecup. Interpupillary distance The unit is designed to accommodate interpupillary distance of 57-73 mm without any additional adjustment and should be comfortable for 99% of adults.
Warning: Forcing installation of the lens may damage the thread and cause costly repairs to both the binoculars and the lens that are not covered by warranty.
6. TROUBLESHOOTING No green light through eyepieces Check that the batteries are installed properly. Check the charge of the batteries. Replace them if they are weak. Image is unclear Check if the lenses are foggy or dusty. Clean them if necessary. If the image is still unfocused – adjust the eyepieces; see 5.5 and 5.6 for details. Image flashes Image may flash during the first two minutes after activation. It may continue flashing if exposed to bright light (even with the lens cap on!).
7. WARRANTY NEWCON warrants this product against defects in materials and workmanship for one year from the date of the original purchase. Longer warranty is available, subject to the terms of the specific sales contract. Should your Newcon product prove to be defective during this period, please deliver the product securely packaged in its original container or an equivalent, along with the proof of the original purchase date, to your Newcon Dealer.
8. CUSTOMER SUPPORT Should you experience any difficulties with your Newcon Optik product, consult this manual first. If the problem remains, contact our customer support department at +1(416) 663-6963 or toll free at 1-877-368-6666 (North America only). Our operating hours are 9am-5pm, Monday - Friday, Eastern Standard Time. Under no circumstances should the equipment be sent to Newcon without authorisation from our technical support department. Newcon accepts no responsibility for unauthorized returns.
9. ACCEPTANCE CERTIFICATE Image intensifier tube serial number: _____________________ Minimum Resolution, lp/mm Measured 57 Photocathode sensitivity, integral, A/lm Light amplification 600 (Gen. 2+) 1600 (Gen.
NIGHT VISION DEVICE NVS 7-2/4x XT NVS 7-3/5x XT NVS 7-3/4x XT NVS 7-2/8x XT NVS 7-2/5x XT NVS 7-3/8x XT Unit serial number: _________________________________ The unit complies with all technical specifications and has passed the inspection.
R1 – 4.
