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Newcon Optik NVS 7-3AG, Operation Manual

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Newcon Optik NVS 7-3AG Operation Manual Download Page 19

15 

This function is still active in the device equipped with an auto-
gated IIT. 
The BSP reduces voltage to the photocathode rather than the 
microchannel plate. The BSP protects the image intensifier tube 
from damage and enhances its lifetime. This function works in 
bright light conditions that create input light with intensity higher 
than 0.1lux. 

Summary of Contents for NVS 7-3AG

Page 1: ...Operation Manual NVS 7 Series NIGHT VISION BINOCULARS GOGGLES NVS 7 3XT NVS 7 3AG NVS 7 3AGBW NVS 7 3 4xXT NVS 7 3 5xXT NVS 7 3 8xXT NSN 5855 20 000 8284 105 Sparks Ave Toronto ON M2H 2S5 Canada ...

Page 2: ...ii ...

Page 3: ...n the objective lens of an active Unit in bright light including daylight In the daytime the objective lens must be covered by the lens cap provided The tiny hole in the cap provides enough light for daytime testing NEVER aim an active Unit at intense light sources such as lights headlamps campfires the moon etc NEVER reverse the polarity of a battery NEVER connect the Unit to any external power s...

Page 4: ...ptical surfaces with professional lens cleaning supplies Use only a soft clean cloth to clean the exterior of the device Keep the device away from sources of heat such as heating appliances sunlight or central heating Switch off the Unit and remove the battery during extended periods of non operation Do not apply excessive force or pressure to the lens assembly movable parts or threaded connection...

Page 5: ...g battery 9 Activating the Unit 9 Switching the Unit off 10 Operating at night 10 Focusing the Unit 11 Using Unit with headgear 11 Interpupillary distance 11 Installation of interchangeable lenses 11 Auto shut OFF in flip up position AUTO switch position 12 Auto shut OFF at bright light 13 Auto gating system 13 Integrated protection circuits 14 Using NVS H mount helmet mount 16 ...

Page 6: ...ESHOOTING 19 No green or black and white image visible 19 Image is unclear 19 Image flashes 19 Condensation accumulates on Unit 19 Visibility decreased or disappeared 19 7 WARRANTY 20 8 CUSTOMER SUPPORT 21 9 ACCEPTANCE CERTIFICATE 22 ...

Page 7: ...enses can be attached to the Unit to increase system magnification for use as binoculars In its 1x configuration the Unit can be mounted on a combat helmet or head harness Some typical activities where NVS 7 series devices can be useful Law enforcement Wildlife observation Security Search and rescue Hunting where permitted by law Features Built in infrared illuminator allows observation in total d...

Page 8: ...ation night vision goggles with 1x magnification Gen 3 IIT auto gated power supply helmet head mountable green image NVS 7 3AGBW Military specification night vision goggles with 1x magnification Gen 3 IIT auto gated power supply helmet head mountable black and white image NVS 7 3 4xXT Military specification night vision binoculars with 4x magnification Gen 3 IIT green image available in AG and AGB...

Page 9: ...lens 1 Objective lens cap 1 Neck shoulder strap 1 Soft carrying case 1 Operation manual 1 AA batteries 2 Optional accessories 3x Afocal Lens Lens Cleaning Kit Demist Shield Sacrificial Window Hard case NVS H Mount helmet mount NVS Coupler Exact Delivery Set is subject to specific contract terms 1 NVS 7 3XT NVS 7 3AG NVS 7 3AGBW 2 NVS 7 3 4xXT NVS 7 3 5xXT NVS 7 3 8xXT ...

Page 10: ...c6 Auto gating X Minimum Resolution7 64 lp mm Minimum Signal to Noise8 24 Bright Source Protection Automatic Brightness Control Apparent Field of View 40º Eye Relief 25 mm 1x Objective Focal Length F Number 27 5 mm F1 2 4x 8x Objective Focal Length mm F Number 100 F1 5 216 4 F2 0 Interpupillary Distance 57 73 mm Focus Range 1x 0 25 m to infinity Dioptric Correction 5 Battery Type 2x AA 3 2856 K 4 ...

Page 11: ...C MTBF 10 000 hours Modulation Transfer Function 2 5 lp mm 92 7 5 lp mm 80 15 0 lp mm 61 25 0 lp mm 38 Black Spots Allowed per Zone Spot Size inches Zone 1 Zone 2 Zone 3 0 012 0 015 0 0 0 0 009 0 012 0 0 0 0 006 0 009 0 1 1 0 003 0 006 0 2 2 As the design of NVS 7 series devices is being continuously improved delivered specifications may be superior to those above Where a discrepancy exists betwee...

Page 12: ... AUTO OFF ON IR switch 2 Mounting socket 3 Diopter adjustment ring 4 Eyepieces 5 Battery compartment cover 6 Objective lens cap 7 Objective lens 8 Tightening knob 9 Release button 10 IR illuminator FIGURE 2 1 8 7 9 3 4 2 5 6 10 ...

Page 13: ...arity indicated on the housing Replace the battery compartment cover Activating the Unit In daylight ensure the objective lens cap is in place prior to activating the Unit To check if the Unit is operational switch it ON by rotating the AUTO OFF ON IR switch clockwise while looking through the eyepieces 4 Fig 1 You should see either a green or black and white image depending on the model you have ...

Page 14: ...ens cap should be removed and the fuzzy image should no longer be observed Switching the Unit off After you have finished using the Unit turn it off by rotating the On Off IR 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 Operating at night Remove the objective lens cover Turn on the ...

Page 15: ...ur head size When wearing the Unit the eye relief distance between your eyes and the eyepieces should be 15 22 mm In order to achieve this loosen the tightening knob 8 Fig 1 and set a comfortable distance between the eyes and the eyepieces then tighten the tightening knob Interpupillary distance The Unit is designed to accommodate interpupillary distance of 57 73mm without any additional adjustmen...

Page 16: ...he lens change During operation in brightly lit spaces ensure the objective lens cap is in place Auto shut OFF in flip up position AUTO switch position This unit is equipped with an orientation sensor which recognizes whether the device is in horizontal or vertical orientation The function works only in the main switch position called AUTO Upon changing the device orientation to vertical angle app...

Page 17: ...the device against excessive permanent light exposure in order to avoid permanent damage of the IIT Notes Auto gated AG AGBW devices also have this function The AG and AGBW devices require protection of the IIT against prolonged exposure to any high light conditions because such conditions are going to substantially reduce life time of the auto gated IIT This function is active even if the device ...

Page 18: ...tions and to improve overall image quality at higher level of input light and during flashing light Integrated protection circuits To automatically control the output brightness of the tube under changing input light conditions the device is equipped with protection circuits called automatic brightness control ABC and bright source protection BSP The main purpose of these functions is to protect b...

Page 19: ...ted IIT The BSP reduces voltage to the photocathode rather than the microchannel plate The BSP protects the image intensifier tube from damage and enhances its lifetime This function works in bright light conditions that create input light with intensity higher than 0 1lux ...

Page 20: ...to the mount via a locking screw 1 Fig 4 To adjust the position of the Unit to your eye level use the mount binding screw 4 Fig 4 To adjust the eye relief first loosen locking screw and set a comfortable distance between the eyes and the eyepiece then tighten the locking screw The Unit can be fixed in three predetermined positions vertical horizontal and 15 20 above horizontal Although the relativ...

Page 21: ...old the flip up button 2 Fig 4 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 Defogging options NVS 7 has two optional accessories which prevent fogging of both objective lens and eyepiece lenses Demist Shields prevents fogging and moisture build up on the eyepiece lenses To install the demist shields screw...

Page 22: ...ve lens The sacrificial window snaps on top of the objective lens and seals it from any water particles in the air On the Figure 6 the NVS 7 unit is shown with installed sacrificial window Figure 6 The simple installation of these accessories allows attaching them in the field ...

Page 23: ...tive lens cap is not required 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 Condensation accumulates on Unit When the Unit is moved from cold to warm environments internal condensation may appear If this occurs the Unit must be warmed up for up to two hours in order to regain full operationa...

Page 24: ...ble model the product or part thereof which on inspection by Newcon is found to be defective in materials or workmanship What This Warranty Does Not Cover Newcon Optik is not responsible for warranty service should the product fail as a result of improper maintenance misuse abuse improper installation neglect damage caused by disasters such as fire flooding lightning improper power supply or servi...

Page 25: ...orth America only Our operating hours are 0900h to 1700h Eastern Standard Time Monday through Friday Under no circumstances should equipment be sent to Newcon Optik without authorisation from our technical support department Newcon Optik accepts no responsibility for unauthorized returns To locate a Newcon Optik Authorized Dealer Call 1 416 663 6963 Fax 1 416 663 9065 Email newconsales newcon opti...

Page 26: ..._______________ Characteristic Minimum Measured Resolution lp mm 64 Photocathode sensitivity integral A lm 2856 K 1800 Light amplification fL fc 2x10 6 fc 40 000 Date of production __________________________________ Quality Inspector s signature ___________________________ ...

Page 27: ...Other Unit serial number _________________________________ This Unit complies with all technical specifications and has passed Newcon Optik s inspection procedures Date of production _________________________________ Quality Inspector s signature __________________________ Quality Assurance Seal ...

Page 28: ...NEWCON OPTIK Printed in Canada R2 NVB G 09 14 ...

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