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STUDENT OUTLINE

OPTICS – AN/PEQ-15 AND AN/PVS-7B

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STUDENT INFORMATION

LESSON PURPOSE

OVERVIEW: The purpose of this period of instruction is to provide the knowledge and skills necessary to operate and maintain a set of AN/PVS-7B night vision goggles and skills to operate the AN/PEQ-15. This class will cover characteristics, general data, operating instructions, mounting procedures, zeroing procedures and maintenance. This class relates to the combat marksmanship classes you have received here at the School of Infantry.

CLASS PREPARATION: Read this handout prior to class.

OUTLINE.

1. CHARACTERISTICS. The AN/PEQ-15 or ATPIAL is for use to provide active target acquisition in low-light and close quarters combat situations without the need for night vision devices. It may be used as either a handheld illuminator/pointer and can be mounted to weapons.

a. Description. The AN/PEQ-15 ATPIAL is a Class 1 or 3a (low power) laser device that emits both visible and invisible laser radiation for precise aiming of the weapon as well as a separate infrared illumination beam for illumination of the target or target area.

(1) The infrared illuminator (IR) Aim and illumination lasers provide for active, covert target acquisition in low or complete darkness when used in conjunction with night vision devises. The ATPIAL’s infared (IR) lasers are more detectable to an enemy using night vision devices when used in smoke, fog, and rain.

(2) The AN/PEQ-15 ATPIAL is a ruggedized system designed for operation in battlefield environments.

b. General Characteristics. The AN/PEQ-15 general characteristics are as follows;

|Weight and Dimensions |

|Weight (with battery) |7.5 ounces |

|Length |4.6 inches |

|Width |2.8 inches |

|Height |1.6 inches |

|Power Performance |

|Batteries |(1) 3-Volt DL 123A |

|Battery Life |(6) Hours in DH (DUAL HIGH) |

c. AN/PEQ-15 Major Components.

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(1) Aim Neutral Density (ND) / Opaque Lens Cap. The AN/PEQ-15 has a double-sided lens cap that, when placed over the Aim Lasers, reduces scatter from the IR Aim Laser and completely prevents emission from the Visible Aim Laser.

(2) Safety Screw. The AN/PEQ-15 safety screw when installed in the Lockout Position, the Safety Screw prevents the Mode Selector from being turned to the high power laser settings (i.e., AH, IH, DH). Removal of the Safety Screw allows for access to all modes of operation 2.

(3) Activation Button. The AN/PEQ-15 activation button when in P (PROGRAM) mode, the Activation Button allows for programming the IR Illuminator pulse rate. When in one of the six operational laser modes (i.e., VIS-AL, AL, DL, AH, IH, DH), the Activation Button is used to actively emit laser radiation that corresponds with the position of the Mode Selector.

(4) Safety Screw Storage Location. The AN/PEQ-15 safety screw storage location allows for secure storage of the Safety Screw after it has been removed from the Lockout Position 4.

(5) Visible Aim Laser. The AN/PEQ-15 visible aimed laser is used to provide a precision aim point or to positively identify targets at close range during the day or night, without the need of night vision devices. It may also be used for bore sighting the ATPIAL during daylight hours.

(6) Infrared Aim Laser. The AN/PEQ-15 infrared aim laser when used with night vision devices provides a precision aim point or to mark targets.

(7) Infrared Illuminator / Focus Knob. Used with night vision devices to provide variable focused IR illumination of the intended target area. The Illuminator Focus Knob is rotated to vary the illumination beam spread from flood to spot, based on the range and size of the area to be illuminated.

(8) Illuminator Diffuser Lens Cap. The illuminator diffuser lens cap when installed over the IR Illuminator, spreads the laser energy over an angle of approximately 180 degrees, allowing for illumination of a wider area. This is useful for illuminating a small room and is most effective when used with the IR Illuminator Focus Knob adjusted to the widest beam (flood) setting.

(9) Illuminator Adjusters. These adjusters can be rotated in azimuth and elevation to bring the illumination area over the aiming beam, and can be used to align the IR Illuminator with the barrel of the weapon.

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(10) Battery Cap / Battery Compartment. Provides secure housing for the 3-volt DL123A battery that powers the ATPIAL.

(11) LED Status Indicator. The LED status indicator on the AN/PEQ-15 has a Light Emitting Diode (LED) used to indicate when the ATPIAL is emitting laser energy, when the battery power is low, and displays the pulse rate during programming of the IR Illuminator.

(12) Mode Selector. The mode selector on the AN/PEQ-15 allows the user to select the desired mode of operation for the ATPIAL. When switched to O (OFF), the ATPIAL will not emit laser energy.

2. OPERATING INSTRUCTIONS.

In order to operate the AN/PEQ-15 TPIAL the operator must become familiar with Battery Installation, the Mode of Operation, Mode Selection, Removal of the Safety Screw, Mode Activation, Remote Cable Switch, Visible/IR Aim Lasers, Five Pattern Generators, IR Illuminator and Led Status Indicator.

a. Battery Installation. The AN/PEQ-15 requires one (1) lithium battery for operation. Perform the following steps to install the battery.

(1) Unscrew the battery cap and install one lithium battery.

(2) Proper battery orientation is clearly marked on the ATPIAL housing.

(3) Replace and tighten the battery cap.

(4) Use of an incorrect battery may permanently damage the ATPIAL. Batteries with different voltages, but with the same physical dimensions, do exist in the supply system. Ensure that only a 3-volt battery is used in the ATPIAL.

b. Mode Selection. The Mode Selection is used to set the mode in which the AN/PEQ-15 will operate for the user. The Modes of operation for the ATPIAL are accessed by turning the Mode Selector to the desired position.

(1) When in the O (OFF) position, the ATPIAL will not operate and will not emit laser radiation. The P (PROGRAM) position allows for setting the desired IR Illuminator pulse rate.

c. Removable Safety Screw. A removable safety Screw installed in the lockout position prevents the mode selector from being turned to the high power laser settings (i.e., AH, IH, DH).

(1) This configuration is appropriate for a training environment or when the ATPIAL is being stored.

(2) A hex head wrench is used to remove the safety screw when, for tactical reasons, access to the high power laser settings is desired.

(3) The safety screw storage location allows for secure storage of the safety screw after it has been removed from the Lockout Position.

d. Mode Activation. Once the mode of operation has been selected, the ATPIAL may be used in that mode by activating the system as follows:

(1) Momentary Operation. Pressing and holding the Activation Button operates the ATPIAL in the operational mode set by the Mode Selector. When the button is released, the ATPIAL turns off.

(2) Continuous Operation. Pressing the Activation Button twice in rapid succession (double-tap) will turn the ATPIAL laser(s) on. The laser(s) will remain on until the button is pressed a third time (single-tap).

e. Remote Cable Switch. When installed, the Remote Cable Switch may be used to provide the same functionality as the Activation Button and is operated in the same manner. The Remote Cable Switch plugs into the Remote Jack. It is then secured to the weapon to best suit the operator’s firing preference using the Retaining Straps and / or hook and loop fastener tape.

f. Visible / IR Lasers. Under certain operating conditions, particularly at night, it may be desirable to prevent inadvertent emission of visible laser energy. The Aim Neutral Density (ND) / Opaque Lens Cap is provided for this purpose. To use the Lens Cap, stretch it out and over the front of the Aim Laser exit ports so that it is snug and firmly in place.

g. Five Pattern Generators. Five Pattern Generators are supplied with the ATPIAL for command and control purposes. When individually installed over the Aim Lasers, they project a specific holographic design over the aim point of the laser. The shapes are visible with the naked eye if using the Visible Aim Laser and with night vision devices if using the IR Aim Laser. The Pattern Generators may only be used one at a time and may not be used in conjunction with the Aim Neutral Density / Opaque Lens Cap.

h. IR Illuminator. When selecting the IR Illuminator modes of operation the following may occur:

(1) The IR illumination beam may be varied from flood to spot by rotating the Illuminator Focus Knob.

(2) The direction of rotation and corresponding beam size is marked on the front of the ATPIAL.

(3) The Lens Cap spreads the laser energy over an angle of approximately 180 degrees, allowing for illumination of a wider area.

i. LED Status Indicator. A Light Emitting Diode (LED) is incorporated into the body of the ATPIAL that provides indicators.

3. MOUNTING PROCEDURES

The ATPIAL mounts on to the M16A4 rifle using the integral rail grabber bracket that is designed for direct attachment to weapons with a MIL-STD-1913 rail. The weapons and mounting configurations for the AN/PEQ-15 can be applied to several weapons, but will only be used for your M16A4, and will be mounted to the top, left or right mount on your weapon.

a. Always make sure the weapon is CLEAR and SAFE before mounting the AN/PEQ-15.

b. Loosen the clamping knob on the integral rail grabber bracket until the jaws have sufficient space to fit over the MIL-STD-1913 rail.

c. Position the integral rail grabber bracket on the rail ensuring that the recoil lug is seated in the desired recoil groove of the rail. Turn the clamping knob clockwise to tighten. Use a coin or similar flat object in the slot of the clamping knob to fully secure the bracket to the rail.

d. Failure to properly secure and tighten the ATPIAL to the rail may lead to bore sight repeatability and zeroing issues.

4. BORESIGHTING/ZEROING PROCEDURES.

The ATPIAL on the AN/PEQ-15 is equipped with boresight adjusters for independent adjustment of the aiming and illumination beams in both elevation and azimuth.

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a. The ATPIAL may also be boresighted to the host weapon. Using a Laser Boresight System (LBS). You will need a 10m Target Offsets for this purpose. After establishing the zero preset or boresighting the ATPIAL weapon combination, the ATPIAL may be zeroed to the weapon via live fire at a 25-meter range. You will need a target offset that must be applied to the 25-meter M16A2 zeroing target.

b. Zeroing On A 25-Meter Range. This procedure is used to zero the ATPIAL to the weapons.

(1) ATPIAL Boresight Adjusters move the aiming beams at the rate of 0.2 mrad per click. Two clicks = 1 box on a standard M16A1/A2 25-meter zeroing target.

(2) On a 25-meter M16A2 zeroing target, mark the designated strike point and designated strike zone based on the weapon you are using.

(3) Mount the target on an “E” silhouette or other suitable surface at 25 meters.

(4) Mount the ATPIAL to the weapon.

(5) Rotate the Mode Selector to Visible Aim (VIS-AL)

(6) Activate the Visible Aim Laser in continuous mode by double-tapping the Activation Button.

(7) Direct the Visible Aim Laser at the center of the

target. Fire a 3-round shot group and note the center of the shot group relative to the designated strike point. Re-tighten Integral Rail Grabber Bracket.

(8) Rotate the Aim Laser Adjusters to move the center of the shot group to the designated strike point. Fire another 3-round shot group and again observe the center of the new shot group relative to the designated strike point.

(9) When 5 out of 6 rounds are in the designated strike zone, the ATPIAL / weapon combination is zeroed.

(10) Once the aiming beams are zeroed, rotate the Mode Selector to the DL (DUAL LOW) or DH (DUAL HIGH) position to observe both the IR aiming and illumination beams. Rotate the

Illuminator adjusters to center the illumination beam over the IR aiming beam.

5. CHARACTERISTICS OF AN/PVS-7B NIGHT VISION GOGGLES. AN/PVS-7B night vision goggles are hand-held, head mounted, or helmet mounted night vision systems that enable walking, driving, weapon firing, short-range surveillance, map reading, vehicle maintenance, and administering first aid in both moonlight and starlight. The equipment requires some moonlight or starlight to operate.

a. The goggles assembly consists of four primary subassemblies: a simple objective lens, a wired housing assembly, an image intensifier, and a rear cover assembly.

(1) Objective Lens. The objective lens collects the light reflected from the night scene by the moon, stars, or night sky inverts the image and focuses that image on the image intensifier.

(2) Wired Housing Assembly. The wired housing assembly contains a built-in battery compartment, attached battery cap, and the RESET/OFF-ON-IR/PULL switch. The power source for the goggles is one 3 volt lithium battery or two AA 1.5 volt alkaline batteries.

(3) Image Intensifier Assembly. The image intensifier converts the captured light into a visible image that is then split and reinverted by the collimator and transmitted to the eyepieces for viewing.

(4) Rear Cover Assembly

b. The goggles assembly also uses the following accessories:

(1) Demist Shields. The two demisting shields are used to prevent the eyepiece lenses from becoming fogged.

(2) Light Interference Filter. The light interference filter restricts the amount of light capable of entering the lens for operation during times when too much light may be available.

(3) Sacrificial Window. The sacrificial window protects the objective lens during operation in adverse conditions.

(4) IR Spot/Flood Lens. The IR spot/flood lens focuses the IR light for a narrow beam or wide angle beam illumination. The IR illuminator is used for viewing at close distances up to 3 meters when additional illumination is needed. The IR illuminator light is invisible to the unaided eye but can be detected by the enemy using night vision devices.

(5) Tethering Cord. The tethering cord allows the user to attach the compass or 3X magnifier lens to his person to guard against dropping or losing the item.

(6) 3X Magnifier. The 3X magnifier attaches to the objective lens and provides 3 times magnification to the original image.

(7) Compass. The compass enables the operator to see azimuth readings in the goggles illumination viewing area.

(8) Head Mount Assembly. The adjustable, cushioned head mount assembly secures the goggles to the operator’s head for night viewing providing freehand support for use with a weapon, protective mask, or other purposes. To don, simply place the head mount assembly over the head, adjust and fasten the chin straps, and secure the head mount socket assembly to the goggles latch.

(9) Helmet Mount Assembly. The helmet mount assembly secures the goggles to the Personal Armor System Ground Troops Kevlar helmet allowing freehand support for use with a weapon, protective mask, or other purposes. To install, simply secure the clip/strap assembly to the helmet, connect the mount assembly to the clip/strap assembly, and connect the mount assembly to the goggles latch.

6. AN/PVS-7B NIGHT VISION SIGHT CONTROLS. The AN/PVS-7B night vision sight controls are designed to adjust for different users and corrects for most differences in eyesight.

a. The Following Are The Purpose For The Various Controls:

(1) RESET/OFF-ON-IR/PULL Switch. This switch controls the goggles and the infra-red light power ON or OFF.

(a) RESET/OFF turns off power to the goggles and resets the goggles after automatic shutoff or highlight cutoff.

(b) ON activated the goggles.

(c) IR/PULL activates the goggles and infrared light by pulling the switch and turning it clockwise.

(d) The goggles will automatically shutoff when removed from the head mount or helmet mount while in operations.

1 This prevents enemy detection of the green glow of the image intensifier.

2 To turn the goggles back on, turn the switch to the RESET/OFF position and then to ON again.

(e) The goggles will automatically shut off after 70 seconds of operation in daylight or bright room light.

1 Individual bright lights will not actuate the high light cutoff function unless focused directly on the high light detector located on the front of the goggles.

2 To turn the goggles back on, turn the switch to the RESET/OFF position and then back to ON again.

(2) Objective Lens Focus Knob. The objective lens focus knob focuses the objective lens by turning the knob until the sharpest image of the viewed object is achieved.

(3) Latch. The latch is used to attach or separate the goggles from the head mount or helmet mount assembly.

(4) Diopter Adjustment Ring. Focuses the eyepiece lens for each eye without the need for glasses and is turned to achieve the sharpest image for the intensifier screen.

(5) Interpupillary Adjustment. The interpupillary adjustment adjusts for distance between the eyes by sliding the eyepieces either together or apart so each eye can observe the entire field at the same time.

(6) Eye Relief Adjustment. The eye relief adjustment adjusts the distance between your eyes and the goggles.

(7) IR Spot/Flood Lens Focus Knob. The IR spot/flood lens focus knob focuses the infrared light for a narrow beam or a wide-angle beam illumination.

(8) Compass Illuminator Button. The compass illuminator button activates the compass illuminator light emitting diode which makes the compass readings visible in the goggles viewing area. Additional pressure on the button will make the image brighter.

7. OPERATION OF AN/PVS-7B NIGHT VISION GOGGLES. Operation of the AN/PVS-7B night vision sight is relatively simple and consists of performing the following performance steps:

a. Remove the goggles from the carrying case and install the batteries.

b. Don the head mount or helmet mount and adjust the straps so that the mount fits snuggly to the head or helmet.

c. Install the goggles into the mount socket.

d. Depress the side buttons and move the goggles fore or aft to set the appropriate eye relief.

e. Adjust straps for good fit.

f. Turn the power switch to the ON position.

g. Adjust the tilt adjustment lock knob, if helmet mounted.

h. Adjust the eyepiece by sliding them together or apart so that each eye can observe the entire field of view.

i. While obstructing view through the right eyepiece, rotate the left diopter adjustment ring to obtain the clearest view

j. Adjust the eye relief distance by pressing the socket release button and sliding the goggles fore or aft to obtain a full field of view.

k. Readjust the diopter adjustment rings for the best image.

l. Observe an object and adjust the objective lens focus until the sharpest image is obtained.

REFERENCES:

NUMBER TITLE PAGE

TM 09500a-10/1 Operator’s Manual Entire Document

Night Vision Goggles

AN/PVS-7B and AN/PVS-7D

TM 9-5855-1914- Operator Manual Entire Document

13&P ATPIAL AN/PEQ-15

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