Contents 1 / SHOW SOME RESPECT Distribution Statement Warnings Caution 2 / THE BASICS General Info Key Attributes Reticle Specifications Anatomy Definitions 3 / GET STARTED Operating Instructions Mounting the HWS Battery Battery Recommendations Replacing the Battery Electronic Features Windage and Elevation Zeroing Procedures 4 / MAINTENANCE Cleaning Instructions...
The HWS complies with Part 15 of the FCC Rules Operation is subject to the following conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation Complies with 21 CFR Chapter 1, Subchapter J 4 / 512...
If there is any exposed internal content of the battery, it could affect the operation of the sight The 512 HWS units are designed to mount directly to either a 1" (25 4mm) Weaver or MIL-STD-1913 rail specification...
2 / THE BASICS General Info This manual is an overview of the 512 HWS (Holographic Weapon Sight), and will define basic operation, features/benefits, and options of this proprietary optical system The HWS is a state of-the-art optical sighting system for small to medium...
THE BASICS / 2 Key Attributes The 512 HWS is a lightweight, non-magnifying, optical sight designed for close-to- midrange engagements It allows for very fast target acquisition and engagement at short ranges while providing aiming capability out to 300 meters, equal to or better...
HWS RETICLE ADVANTAGE EOTECH’s Holographic technology provides a distinct advantage over typical red dots EOTECH can offer any type of reticle pattern, as opposed to being limited to a single dot EOTECH reticle designs are fabricated so that they can incorporate...
THE BASICS / 2 Definitions Removable Battery Compartment A battery cap secures and seals the battery compartment to prevent water, dirt or grime from entering the battery housing Cam Lever A cam lever that secures the removable battery compartment to the sight and prevents water, dirt, or grime from entering the battery housing Holographic Window Contains the embedded holographic reticle pattern that forms a virtual image of...
3 / GET STARTED Operating Instructions This section describes the features and operating instructions of the 512 Please read the instructions carefully before mounting and using the sight, and always practice proper firearm safety The HWS will include: • HWS 512 Sight •...
GET STARTED / 3 Mounting the HWS The 512 is equipped with mounting hardware to attach to a 1" (25 4mm) Weaver or MIL-STD-1913 Picatinny style rail ( FIGURE 1 To achieve the best results and accuracy, the HWS must be mounted properly The...
The battery checking function, which is based on the characteristics of alkaline batteries, does not operate properly when Lithium AA batteries are used in the model 512 and may not indicate a low battery condition until very little battery life is left...
GET STARTED / 3 Replacing the Battery • Remove the battery compartment by lifting up on the locking cam lever and carefully sliding the battery compartment away and up from the sight housing FIGURE 2 • After the battery compartment is removed, slide the batteries out and replace them with a fresh set The labels on the bottom of battery compartment show the correct battery orientation •...
All electronic controls are via push buttons located at the rear of the unit housing FIGURE 3 PRO TIP: To ensure proper operation of the pushbutton switches, always press firmly on the center of the switch. On/Off & Brightness Adjustment Buttons F IG U R E 3 16 / 512...
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GET STARTED / 3 ON / Auto Battery Check > • Pressing the Up or Down Arrow pushbutton switches will turn the sight ON at Level 12 • The sight will automatically perform a battery check every time it is turned on •...
CAUTION: When encountering an increase in resistance in adjustments, the end of the adjustment range has been reached. DO NOT turn the adjustments any farther as serious damage may occur to the sight. Elevation Windage FI G U R E 4 18 / 512...
GET STARTED / 3 Zeroing Procedures Please refer to the Windage and Elevation Adjustment to zero the HWS The following are some additional reference aids that can be used during the zeroing process Bore Sighting Bore sighting the HWS saves time and ammunition at the range This can be done using a laser bore sighter per the manufacturer’s instructions or by removing the bolt on a bolt action rifle and visually sighting through the barrel To visually bore sight your HWS:...
Always dampen the glass surfaces prior to cleaning To avoid damaging the window, never clean the glass surface with a dry cloth. It must be moistened with cleaning fluid, glass cleaner or an EOTECH LensPen. No maintenance is needed on the sight’s surface, except to occasionally wipe...
See the heading ‘Cleaning Instructions’ ( ) under section 4, Maintenance page 20 The following items are authorized Customer Service parts that can be obtained from EOTECH: • 2 × AA Alkaline Batteries • Battery Cap • Protective Hood and Hood Screws •...
• Turn the sight in for maintenance FA I LU R E I am missing a bolt / have broken a bolt / have broken a latch • Turn the sight in for maintenance 22 / 512...
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MAINTENANCE / 4 FA I LU R E The reticle is fuzzy / has a ‘halo’ effect / has more than one reticle The reticle is naturally pixilated and the outer circle will appear to be made up of many small dots The center circle will still be distinguishable as one dot •...
• If required, fill out a DD Form 1149 to include with the sight(s) you will return Include a reference to the RA#, and a signature line for EOTECH’s Service Department to sign indicating the receipt of materials The signed copy will be...
NEED SOME HELP? / 5 Contact Information CUSTOMER SERVICE/REPAIR SCAN FOR SCAN FOR 888-EOTHOLO PRODUCT WARRANTY eotechinc com/help-center REGISTRATION INFORMATION RA# REQUEST WEB ADDRESS eotechinc com/help-center SHIPPING ADDRESS EOTECH 46900 Port Street Plymouth, MI 48170 USA EOTECHINC.COM /...
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Thank you for purchasing an EOTECH HWS N1978 Rev C | JANUARY 2022 E OT E C H I N C . C O M Proudly Made in Michigan, USA...
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