Newcon Optik NVS 6 - Manual

NVS 6 MANUAL Page 1 1 General 1.1 The NVS 6, helicopter night-vision goggles, have been designed for use by the helicopter crewmembers during execution of flights at night. Note – The helicopter cockpit should be tailored for the use of the night-vision goggles. Accounting for the spectral content o...

NVS 6 MANUAL Page 2 1.7 The trouble-free operation of the NVS 6, within the assigned service life, is ensured through its correct use, careful handling and well-timed maintenance. 1.8 W hen operating the unit or placing it in storage, keep it clean and avoid touching the external optical surfaces of...

NVS 6 MANUAL Page 3 2 MAIN DATA 2.1 Specifications of the NVS 6 are presented in Table 1. Table 1 Specification Characteristic 1 Field of view (FOV), minimum 40 deg 2 Magnifying power 1 X 3 Resolving power limit of the image intensifier tube, as measured in the center of FOV, minimum 50 lines per mm...

NVS 6 MANUAL Page 5 3 STANDARD SET 3.1 The standard set of the NVS 6 shall be consistent with Table 2 and Fig. 3.1. Table 2 Designation Nomenclature Qty Remarks Assemblies 201211.010 Night-vision goggles 1 433739.003 Voltage converter 1 Set of Spare Parts 279376.002 Dehydrator cartridge 1 Optional S...

NVS 6 MANUAL Page 6 1 Night-Vision Goggles 2 Voltage Converter 3 Dehydrator Cartridge 4 Screwdriver 5 Test Pattern 6 Batteries 7 Mount 8 Casing 9 Clamp 10 Counterweight 11 Cloth 12 Case NVS 6 Standard Set Figure 3.1 1 9 12 2 11 6 3 4 5 10 8 7

NVS 6 MANUAL Page 7 4 SAFETY PRECAUTIONS 4.1 The NVS 6 is constructed so as to provide pilot’s safety during operation. 4.2 In case of emergency the helicopter crewmembers shall take off (throw off) the NVS 6 night-vision goggles before evacuating the helicopter. To ensure successful removal of the ...

NVS 6 MANUAL Page 8 5 DESIGN OF UNIT AND ITS COMPONENTS 5.1 The NVS 6 is essentially a passive-type optoelectronic night- vision device whose principle of operation is based on the intensification of image brightness of objects being viewed with the aid of image-intensifier tubes. 5.2 The NVS 6 desi...

NVS 6 MANUAL Page 11 1 Guide 2 Guide 3 RH Side Monocular 4 LH Side Monocular 5 Lens 6 Eyepiece 7 Image-Intensifier Tube 8 Barrel 9 Screw 10 Button 11 Batteries 12 Cap-switch 13 Fixing Assembly 14 Retainer 15 Button 16 Cable 17 Lever 18 Knob 19 Screw 20 Plate 21 Retainer 22 Retainer Night-Vision Gogg...

NVS 6 MANUAL Page 12 Physically, the night-vision goggles are made in the form of two identical electro-optical channels – monocular (3) and monocular (4) – which are mechanically linked with each other with the aid of guide (1) and guide (2). Each of the monocular pair incorporates lens (5), eyepie...

NVS 6 MANUAL Page 14 The design of the LVC is illustrated in Fig. 5.3. Structurally, the LVC consists of casing (1), which accommodates voltage converter (2) attached to it by means of screws (3). Cover (4) is fastened to the casing with screws (5). Connector plug (6) serves to connect the LVC to th...

NVS 6 MANUAL Page 15 1 Casing 2 Voltage Converter 3 Screw 4 Cover 5 Screw 6 Connector Plug 7 Connector Receptacle 8 Screw 9 Gasket Low-Voltage Converter Figure 5.3 LVG 27 V А 1 XS1 XP1 3 8 7 4 1 5 2 9 6

NVS 6 MANUAL Page 16 1 Screw 2 Screw 3 Screw 4 Guides 5 Spring 6 Carriage 7 Carriage 8 Screw 9 Screw Mount Figure 5.4 The mount is attached to the front portion of the helmet with the aid of three screws (1), (2), (3). The night-vision goggles are secured to the mount by means of a night-vision gogg...

NVS 6 MANUAL Page 17 Carriages (6) and (7) can be moved upwards/downwards by rotating adjustment screw (8), as well as left/right with the aid of screw (9) to adjust the position of the night-vision goggles relative to the pilot’s eyes. The adjustment is performed with the use of the screwdriver, pa...

NVS 6 MANUAL Page 18 5.5.6 Screwdriver (4), shown in Fig. 3.1, is meant for performing necessary readjustments of mount (7) and also used when the helmet standard casing is replaced. 5.5.7 For removing dust, moisture and dirt from the external surfaces of the unit, use is made of cloth (11) shown in...

NVS 6 MANUAL Page 19 6 PREPARATION FOR OPERATION 6.1 Preparation of Helmet for Mounting Night-Vision Goggles 6.1.1 Replacement of Visor Guard/Mount Assembly 6.1.1.1 Remove the standard mount assembly of visor guard (17) (Ref. Fig. 5.1). To do this, remove four screws (16) attaching the casing to the...

NVS 6 MANUAL Page 20 + 1 Retainer 2 Tail End 3 Screw 4 Bushing 5 Recess 6 Recess 7 W asher 8 Casing 9 Clamp 17 Visor Guard 18 Slot 19 Cross-shaped Knob 20 Screw Replacement of Casing on Helmet Figure 6.1 7 17 20 19 18 2 1 8 9 3 4 6 5

NVS 6 MANUAL Page 21 1 Retainer 2 Tail End 6 Recess 9 Clamp Assembly of Clamp with Retainer Figure 6.2 6.1.2 Installation of Counterweight 6.1.2.1 Take counterweight (10) (Ref. Fig. 3.1) from the set of spare parts, remove the backing of the sticking fastener meant for fastening to the helmet. Figur...

NVS 6 MANUAL Page 23 Should the monocular pair fail to be locked relative to the unit fixing assembly, proceed as follows: – Move knob (2) (Ref. Fig. 6.4) to the top position (the hinged joint, in this case, will be fully released). – Pull out plate (3), which retains screw (4) in the locked positio...

NVS 6 MANUAL Page 25 1 Button 2 Knob 3 Plate 4 Screw 5 Cap-switch 9 Counterweight 10 Strap 12 Guide 13 Retainer 14 Cable 16 Screw 17 Ring 18 Lever 25 Connector 26 Mount 27 Screw Night-Vision Goggles Installed on Helmet in Stowed Position Figure 6.5 9 10 25 5 4 3 1 18 27 26 2 12 13 16 14 17 27

NVS 6 MANUAL Page 26 1 Button 2 Knob 3 Plate 4 Screw 7 Button 12 Guide 13 Retainer 16 Screw 18 Lever 26 Mount 27 Screw Installation of Night-Vision Goggles on Helmet and Their Adjustment Relative to Pilot’s Eyes Figure 6.6 2 6 1 2 1 6 1 3 2 7 1 1 8 3 4 7 2

NVS 6 MANUAL Page 27 1 Button 12 Guide 13 Retainer 14 Cable 19 LVC (Low-Voltage Converter) 20 Cable 21 LVC Power Cable Running from Helicopter Electrical System 22 Receptacle 23 Plug 24 Spring Clamp 25 Connector Connection of Night-Vision Goggles to Helicopter Electrical System Via Voltage Converter...

NVS 6 MANUAL Page 28 counterclockwise direction until it is retained in the ON position and check to see that the unit operates properly. In so doing, see to it that the image-intensifier tube screens start glow steadily in amber-green (without flashes and twinkling) in the monocular pair of the nig...

NVS 6 MANUAL Page 29 6.2.13 Carry out preparatory operations on the pilot’s helmet in compliance with the Manual. Loosen cross-shaped knob (11) and use it to move visor guard (15) fully so that the visor guard is retracted under the casing. These done, fix the visor guard in this position by tighten...

NVS 6 MANUAL Page 30 right eye, as well as clear view of the surrounding space by shifting gaze downwards under the eyepieces of the night-vision goggles. Note – If the RH side monocular of the night-vision goggles fails to be set to the position at which the sighting line of the pilot’s eye passes ...

NVS 6 MANUAL Page 32 6.3 Arrangement of Night-Vision Goggles on Helicopter (Figs 6.4 thru 6.7) 6.3.1 Remove the following components from the case (Ref. Fig. 3.1): night-vision goggles (1), batteries (6) (2 pcs), mount (7), counterweight (10), voltage converter (2) complete with LVC (low-voltage con...

NVS 6 MANUAL Page 33 6.3.8 Fasten cable (14) on counterweight (9) using strap (10) (Ref. Fig. 6.5, Step 6.2.15). 6.3.9 With the goggles placed in the stowed position secure helmet soundly on the pilot’s head. 6.3.10 Connect cable (14) to cable (20) with the use of the connector (25) (Ref. Fig. 6.7)....

NVS 6 MANUAL Page 35 6.3.21 Disconnect power cable (21) (Ref. Fig. 6.7) of the helicopter electrical system from the LVC (low-voltage converter), and disengage cable receptacle (22) from plug (23) of the LVC. 6.3.22 Remove the LVC (complete with cable (20)). 6.3.23 Put the night-vision goggles into ...

NVS 6 MANUAL Page 36 7 OPERATION PROCEDURE 7.1 The conditions in which the night-vision goggles are operated have their own idiosyncrasy, which requires certain skills on the part of the pilot as the image of the terrain and objects visible through the night-vision goggles is monochromic and not ver...

NVS 6 MANUAL Page 37 7.9 Upon completion of work with the night-vision goggles and after the helicopter landing, perform the operations prescribed by Steps 6.2.14 thru 6.2.25. If need be, clean the night-vision goggles and their accessories from dust, dirt and traces of moisture with the cloth inclu...

NVS 6 MANUAL Page 38 8 OPERATIONAL STATUS CHECK 8.1 In the course of the NVS 6 service, it is essential to continually carry out its inspection. The inspection shall be accomplished during all kinds of maintenance checks with the aim of determining the unit operational status, and detecting in due t...

NVS 6 MANUAL Page 39 Procedure Inspection method Technical requirements IPS), the image-intensifier tube screens shall illuminate and, after dioptric adjustment of the eyepieces (Ref. Step 6.2.20) and focusing of the lenses (Ref. Step 7.4), nearby objects shall be clearly seen in the unit field of v...

NVS 6 MANUAL Page 45 10 MAINTENANCE PRACTICES 10.1 The maintenance operations to be carried out on the NVS 6 constitute the essential part of the unit operation and their correct performance can significantly prolong the unit service life and keep it always ready for use. 10.2 For maintaining the NV...

NVS 6 MANUAL Page 49 required) 10.6 The inspection procedure shall be performed as specified in Table 3. 10.7 The image quality shall be tested in compliance with Step 6.2.21. 10.8 The screws shall be checked for proper tightness, slipping and inadvertent loosening with the aid of the screwdriver, i...

NVS 6 MANUAL Page 50 11 STORAGE AND SHIPMENT 11.1 The NVS 6 units should be stored in heated premises at a temperature of +5 to +40 o C and a relative air humidity of not in excess of 80 %. 11.2 Maintenance of the units, while at store, shall be performed as instructed in Section 10 of this Manual. ...

NVS 6 MANUAL Page 51 APPENDIX A List of Illustrations (reference) Fig. Title Page 3.1 NVS 6 Standard Set 6 5.1 NVS 6 9 5.2 Night-Vision Goggles 11 5.3 Low-Voltage Converter 15 5.4 Mount 17 6.1 Replacement of Casing on Helmet 20 6.2 Assembly of Clamp with Retainer 21 6.3 21 6.4 Installation of Night-...

Page 52 APPENDIX B List of Abbreviations (reference) FOV – Field of view IPS – Independent power source LVC – Low-voltage converter

NVS 6 MANUAL Page 53 WARRANTY : NEWCON OPTIK warrants this product against defects in material and workmanship for one year from the date of the original date of consumer's purchase, but no more than 18 months from the date of manufacturing. Should your Newcon product prove defective during this per...