User manual EOTECH HWS 551

[. . . ] The first indication of the batteries draining is the reticle blinking when the unit is turned on (see Electronic Features 1). Another indication of low batteries is the reticle pattern blinking off and on during recoil. With high recoil guns, this can occur before the battery check indicates low battery condition. If the reticle pattern blinks off and on during recoil or turns off suddenly, replace the batteries. [. . . ] If the sight is turned on by depressing the UP button, it will automatically shut itself OFF 8 hours after the last push-button control is used. The sight will automatically shut OFF after 4 hours if it is turned on by depressing the DOWN button. (The Model 554 will automatically shut OFF after 8 hour whether the sight is turned ON by depressing the UP or the DOWN button. ) 3 NIGHT VISION The Model 551 and 552 are compatible with Generation II, III, III+ and IV Night Vision Devices. At the night vision settings, the reticle brightness is low enough that when viewed with a night vision device, the reticle image does not bloom. The sight will turn on at Level 4 and automatically shut off 8 hours after the last pushbutton control is used. There are 10 brightness settings in NIGHT VISION MODE with a dynamic range of 1280:1. OFF/ Turning Sight OFF To turn the sight off depress both the UP and DOWN arrows simultaneously. Verify by looking though the heads-up window with night vision device. When switching between modes, the sight will remember the last brightness setting. NOTE 3: When used with a Night Vision device, always check to make sure the sight is not turned on before pressing the NV button to turn on the sight in the Night Vision mode. BASIC OPERATION The HWS uses laser light to illuminate a holographic reticle pattern embedded in the heads-up display window and forms a virtual image of a reticle pattern. The shooter looks through the heads-up display window and sees a bright red image of a reticle pattern projected onto the target plane. Loosen the hex nut retainer screw and the dovetail clamp with the allen wrench (7/64") Place the post within a groove on the top of the 1" dovetail base. individual preference and the specific firearm determine the optimal positioning to any specific groove on the dovetail base. Make sure the post is inserted fully into the mount's groove and push the sight as far forward as possible. 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. mAINTENANCE AND CARE Your HWS is a precision instrument that deserves reasonably cautious care. The following tips are provided to ensure long lasting use of the sight. The optical system and the window are coated with anti-reflection material. Fingerprints and lubricants can be wiped off with lens tissue or a soft cotton cloth, moistened with lenscleaning fluid or glass cleaner sold in any camera store. Never clean the glass surface with a dry cloth or paper towel; always dampen the glass surfaces prior to cleaning 2. [. . . ] If you anticipate most of your shooting at short range, zero in at 50 yards. Figure 4 To Ensure proper operation of the push button switches we recommend pressing firmly on the center of the switch REPAIR If your HWS should need repair, please send the unit postage prepaid, to address below. Include your name, address, and telephone number as well as a written description of the problem you are encountering. Send to: EOTech ATTN: Service Department 3600 Green Court Suite 400 Ann Arbor, MI 48105 USA You can contact EOTech's Customer Service Department at 734-741-8868 or visit our web page www. [. . . ]