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Table of Contents
Summary of Contents for Eview PVS-31
- Page 1 PVS-31 Night Vision Binocular Operation Manual...
- Page 2 Warning Attention…………………………………………………………………….1 a) It is strictly prohibited to place the night vision binocular under strong light and open the protective cover of it during the day. If the night vision need to be used during the day, the objective lens training cover must be installed before use.
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Page 3: Product Features
Eyepiec Battery cover Objective lens Objective lens adjustment knob Product Features The PVS-31 night vision binocular is a high-performance head-mounted device painstakingly devel oped with reference to the currently active US head-mounted night vision. The night vision device is an image intensification system mainly used for nighttime combat. It uses the faint visible light and near-infrared light at night to form images. -
Page 4: Battery Installation
Control Mode: ON/IR/AUTO Overall Power Consumption: < 0.1W Battery Capacity: 800-3200maH Battery Life: 40-100H Optical Magnification: 1X FOV: 40 +/-2°(or 50 +/-2° optional) Optical Axis Parallelism: < 0.1 degree Image Intensifier: Gen2+( or Gen3 optional) Optical Aperture: F1.18 22.5mm Optical MTF: 120LP/mm Optical Distortion: 3% Max Relative Illuminance: >75% Optical Coating: Ultra-wideband multi-layer optical antireflection coating... -
Page 5: Interpupillary Distance Adjustment
At this time, the system starts to operate, and the image tube lights up. (When rotating clockwise successively, the positions are: OFF/ON/IR/AUTO/OFF). In the IR position, the infrared auxiliary light source is turned on; in the AUTO position, the system enters the automatic mode. Interpupillary distance adjustment This night vision binocular... -
Page 6: Infrared Mode
Infrared mode When the ambient illumination is extremely low (in a completely dark environment) and the night vision goggles cannot observe a clear image, turn the operation switch one more position clockwise. As shown in Figure ②, the system enters the "IR" mode. At this time, the built-in infrared auxiliary lighting of this product is turned on to ensure normal use in a completely dark environment. - Page 7 inward with force as shown in until you hear a "click" sound. After confirming that there is no ⑥-5 looseness, you can release your hand, and the installation of the night vision goggles is completed. (Note: When disassembling this product from the device of the helmet mount, as shown in Figure ⑥-5, press the button indicated by the orange arrow in the...
- Page 8 mount, and you can flip the night vision assembly upwards. When the rotation angle reaches the ⑨ 170-degree position, release the flip button of the 171-helmet mount, and the system will automatically 172-lock the flipped state; when you need to lower 173-the night vision assembly for observation, you 174-also need to press the flip button of the helmet 175-...
- Page 9 diopter of the eyepiece is adjusted properly (refer to the eyepiece diopter adjustment operation). d. Confirm if the objective lens focusing is adjusted properly (refer to the objective lens focusing operation). e. In a completely dark environment, confirm if the infrared auxiliary light source is turned on.
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