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C-1

APPENDIX C

ESTIMATION OF AMBIENT ILLUMINATION LEVEL

Some of usual natural light conditions and corresponding repre-

sentative illumination values are presented in Table C-1

Table C-1.

Standard Natural Light Conditions and Illumination Values

STANDARD NATURAL LIGHT CONDITIONS

ILLUMINATION VALUE, LUX

Quarter moon

0.05

Full moon

0.30

Late twilight sky

1.00

Twilight sky

10.00

Overcast sky in the daytime

500.00

Summary of Contents for PS-27

Page 1: ...Department of Commerce It is unlawful and strictly prohibited to export or attempt to export or otherwise transfer or sell any hardware or technical data or furnish any service to any foreign person...

Page 2: ...l furnished for information use only is subject to change without notice is not to be construed as a commitment by ATN Corp ATN Corp assumes no responsibility or liability for any errors or inaccura c...

Page 3: ...ontaminate the glass surfaces use only clean and soft materials to clean it Protect the unit from excessive lighting Do not turn the sight on in daylight with the Front Lens Cap off Do not point the s...

Page 4: ...ight etc to operate The level of equipment performance depends upon the level of light Night light reduces by passing through the clouds while op erating under trees at building shadows etc The equipm...

Page 5: ...ocedures 2 2 2 1 1 Battery Installation 2 2 2 1 2 Installation on MIL STD 1913 RAIL 2 3 2 1 3 Installation on dayscope objective lens 2 4 2 2 Operating Procedures 2 7 2 2 1 General 2 7 2 2 2 Controls...

Page 6: ...intenance Checks and Services PMCS 4 2 4 1 1 Purpose of PMCS 4 2 4 1 2 Frequency of performing PMCS 4 2 4 2 Troubleshooting 4 8 4 2 1 General 4 8 4 2 2 Troubleshooting Procedures 4 8 4 3 Maintenance P...

Page 7: ...1 1 SECTION I introduction...

Page 8: ...an Mateo Avenue South San Francisco CA 94080 800 910 2862 650 989 5100 650 875 0129 fax www atncorp com info atncorp com 1 1 3 Storage Storage of the PS 27 should be done in the factory packing and af...

Page 9: ...environmental conditions speci fied by the manufacturer CUSTOMER IS HEREBY NOTIFIED THAT OP ERATION OF THE EQUIPMENT DURING DAYLIGHT HOURS OR UNDER ANY EXCESSIVE LIGHT CONDITIONS MAY PERMANENTLY DAMAG...

Page 10: ...ise Authorization number RMA When returning please take or send the product postage paid with a copy of your sales receipt to our service center ATN Corporation at the address noted above All merchand...

Page 11: ...ion of light The input fast catadioptric lens collects available ambient light from sources such as the moon stars and skyglow and focuses it on the image intensifier tube photocathode The tube amplif...

Page 12: ...ight is less effective viewing through rain fog sleet snow smoke Under starlight conditions low contrast environments such as snowcovered territory sandy deserts large bodies of water or grassy hills...

Page 13: ...pressor and Battery 0 91 kg Height of the Sight Axis above Arm Rail with Quick Release Mount with Weaver Mount with A R M S 19 ACOG Mount 41 3 mm 40 mm 49 mm Table 1 3 Electrical Data ITEM DATA Batter...

Page 14: ...cus Range 10 m to infinity Field of View 12 Output Lens Exit Pupil Diameter 40 mm Table 1 5 Environmental Data ITEM DATA Operating Temperature 20 to 50 C Storage Temperature 50 to 50 C Humidity 95 25...

Page 15: ...Table 1 6 Figure 1 1 PS 27 Standard Components Table 1 6 PS 27 Standard Components ITEM DESCRIPTION QTY 1 ATN PS 27 1 2 Objective Lens Cap 1 3 Output Lens Cap 1 4 Light Suppressor 1 5 Remote Control...

Page 16: ...7 PS 27 Optional Equipment ITEM DESCRIPTION PART CODE 1 Adapter for A R M S Mounts COWSPSAM 2 Weaver Mount ACDNPS40MWVR 3 Scope Mounting System 1 4 Scope Mounting System 2 5 Platform Ring ACWSRTRA 6 L...

Page 17: ...2 1 SECTION II operating instructions...

Page 18: ...ording to the battery to be installed B Unscrew the battery compartment cap and check the insert position C Using furnished wrench change the insert position in the cap if necessary D Install the batt...

Page 19: ...e the height of the riflescope axis above the rail Observe table 1 2 for the sight axis height above the rail If the difference in the axis heights of the PS 27 and riflescope is more than 3 mm it is...

Page 20: ...ick release mount may be adjusted to eliminate ex cessive play when mounted on the rail by using the provided wrench see figure 1 1 to increase decrease the cam latch nut see figure 2 4 Figure 2 4 Qui...

Page 21: ...Leupold 3 5 10x40 riflescope NOTE Optical axes of the PS 27 and the riflescope should be matched Difference of the axes position more than 3 mm is not recom mended Table 2 1 Scope Mounting Systems SC...

Page 22: ...f the mounting system where the quick release miount was above the battery compartment of the sight D Apply a small amount of thread locker on threads install two screws M4x8 and tighten it E Loosen t...

Page 23: ...on of controls is explained CAUTION The PS 27 is a precision electro optical instrument and must be handled carefully at all times 2 2 2 Controls and Indicators Figure 2 6 PS 27 Controls and Indicator...

Page 24: ...ge contrast LED Indicator Green glow indicates high light conditions After 10 seconds the image intensifier will be cut off Permanent red glow indicates normal battery Flashing red light indicates low...

Page 25: ...knob MGC version of the sight to achieve the best possible image contrast G If the riflescope has focusing rings parallax adjustment knob adjust focus for parallax free image H If the scope has reticl...

Page 26: ...procedure take off the rubber cap from remote switch connector and put it onto the light sensor see Figure 2 6 CAUTION Do not forget to open the light sensor and put the cap back onto the connector af...

Page 27: ...Put the Weaver mount onto the lug on the sight body The nuts of the mount have to be placed on the same side as the switch knob Apply a small amount of thread locker on threads install two screws M4x8...

Page 28: ...body The adapter should not protrude out beyond the back of the sight body Apply a small amount of thread locker on threads install two screws M4x8 and tighten it D Place the A R M S mount onto the si...

Page 29: ...dayscope as follows A Unscrew the two screws securing top and bottom halves of the platform ring B If the diameter of your scope tube is 30 mm remove plastic inserts C Place the top and lower parts o...

Page 30: ...B4 The IR illuminator control buttons are located on its side To switch the Digital IR illuminator on off press and but tons simultaneously When the IR illuminator is switched on you can see the green...

Page 31: ...3 1 SECTION III OPERATIONAL DEFECTS...

Page 32: ...er mittent operation 3 1 1 Shading If shading is persistent you will not see a fully circular image Figure 3 1 Shading is very dark and you cannot see an image through it Shading always begins on the...

Page 33: ...image may appear to flicker or flash If there is more than one flicker check for loose battery adapter or weak battery Contact ATN or point of purchase for warranty repair procedures 3 1 4 Cosmetic B...

Page 34: ...are ac ceptable if they do not interfere with the ability to view the outside scene B Emission Points A steady or fluctuating pinpoint of bright light in the image area and does not go away when all l...

Page 35: ...y of the device D Fixed Pattern Noise This is usually a cosmetic blemish characterized by a faint hexag onal honeycomb pattern throughout the viewing area that most often occurs at high light levels o...

Page 36: ...area See Fig ure 5 5 Under the worst case condition these lines will form hexagonal or square wave shaped lines This is typically viewed in high light conditions No action is required if this conditio...

Page 37: ...4 1 SECTION IV maintenance instructions...

Page 38: ...hen the sight is in use B When it is removed from the case for any reason Table 4 1 Preventive Maintenance Checks and Services SEQ NO ITEM TO CHECK CHECKING PROCEDURE NOT FULLY MISSION CAPABLE IF BEFO...

Page 39: ...ive Knob missing 7 Lenses Inspect for cleanli ness scratches chips or cracks Clean as required Chipped cracked or if scratches hin der vision through the sight 8 Objective Lens Check to ensure the obj...

Page 40: ...cts ability to connect the re mote control to the sight 11 Light Sup pressor Inspect for cuts tears Check ease of installa tion and removal Suppressor torn or cut 12 Quick Release Mount Check for dama...

Page 41: ...bjective lens cap on observable image has a form of two overlapping zones It is not a defect 15 Function Switch Insert battery Remove output lens cap Turn the switch to the BATTERY position Look for r...

Page 42: ...Look for green glow in out put lens Release the key Turn the switch to OFF position Green glow absent 17 Viewed Image Check for flickering flashing bright spots edge glow shading excessive fixed patte...

Page 43: ...4 7 Figure 4 1 Focusing Assembly Threaded Ring Driving Ring Locking Ring M3x6 Screw M2 5x4 Screw...

Page 44: ...ctions and corrective actions If a malfunction is not listed except when malfunction and cause are obvious or is not corrected by listed corrective actions contact to the service center 4 2 2 Troubles...

Page 45: ...wrench tighten M3x6 screw which secures driving ring on threaded ring 2 Point the sight to an object situ ated at a distance more than 100 m from you Rotate focus ring to achieve sharp image of the ob...

Page 46: ...a turn 2 Tighten the locking ring and fix it with the screws 3 Rotate focus ring slightly clock wise coun terclockwise Repeat the steps 1 3 three times 4 Remove the screws M2 5x4 apply a small amount...

Page 47: ...y using only a clean soft cloth 2 Moisten the cloth with fresh water and gently wipe the exter nal surfaces except glass surfaces 3 Dry any wet surfaces except lenses with another dry and clean soft c...

Page 48: ...with each contract individually Table A 1 ATN PS 27 spare parts list PART NO DESCRIPTION FIG ITEM AT 146552 800 PS 27 Night Vision Front Sight A1 AT 146552 801 Objective Lens Cap A1 1 AT 146552 802 Fr...

Page 49: ...R M S mount A3 1 AT 146553 702 7 8 Weaver Mount A3 2 AT 146533 702 Platform Ring A3 3 AT 146533 741 Long Rail Adapter A3 4 AT 146553 703 B A M system A3 5 AT 146533 555 IR Illuminator IR450 A3 6 AT 1...

Page 50: ...A 3 4 3 5 Figure A 2 Accessories 1 From the Kit Figure A 3 Accessories 2 Optional 1 1 2 2 3 4 7 8 5 6...

Page 51: ...termine your daytime scope objective tube diameter exter nal not diameter of the glass lens with a metric ruler with a trammel for more accurate results as shown in figure B 1 2 Select from the Table...

Page 52: ...ponding repre sentative illumination values are presented in Table C 1 Table C 1 Standard Natural Light Conditions and Illumination Values STANDARD NATURAL LIGHT CONDITIONS ILLUMINATION VALUE LUX Quar...

Page 53: ...INFO 1 For Technical Information ATN Corp 1341 San Mateo Avenue South San Francisco CA 94080 800 910 2862 650 989 5100 tel 650 875 0129 fax www atncorp com info atncorp com...

Page 54: ...INFO 2...

Page 55: ...INFO 3...

Page 56: ...echnical support please contact American Technologies Network Corp North American Office 1341 San Mateo Avenue South San Francisco CA 94080 phone 800 910 2862 650 989 5100 fax 650 875 0129 www atncorp...

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