Questions and Answers
When using night vision devices, your peripheral vision is significantly reduced from 190 degrees to ?
40
What unit will gradually have a white glow appear in each eyepiece once the Power Button/Gain Control Knob is pressed?
AN/PVS-31C
What guidance requires Air Force Civil Engineers to take night vision devices?
Air Force Instruction 10-210, Prime Base Engineer Emergency Force (BEEF) Program
If necessary, clean the night vision device battery compartment contacts with a cotton swab, and
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Are sometimes referred to as Forward looking infrared (FLIR)
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Adjust the range of motion for each of the individual monocular assemblies
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To allow for quick movement in the field, attachment brackets that connect from the sides of the helmet to the night vision devices are optional through the manufacturer.
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Phosphor is the original night vision technology.
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The _ is the night vision standard for Prime Beef and RED HORSE.
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The AN/PVS-31C comes with the optional 4-cell battery pack, which increases the battery life to approximately ?
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What night vision device is displayed below?
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Night vision devices can be used in _ or helmet-mounted configuration.
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What generation of the night vision technology was fielded by the Army but was withdrawn because it didn't meet durability requirements?
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Night vision devices use lithium batteries that contain _, which is very toxic; therefore, DO NOT heat, puncture, attempt to recharge, or otherwise tamper with the battery.
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Night vision technology is currently what the United States Military uses.
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Night vision devices reduce the user's vision to
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Protect the objective lenses from becoming scratched or otherwise damaged.
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The _ and T-bracket are used to attach the binoculars to the helmet.
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Your depth perception is greatly increased when using night vision devices.
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Phosphor provides the user with a more natural black and white landscape.
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There are currently three different night vision color options.
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The _ to the eyepieces compensates for variations in individual operator's eyesight.
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Which unit uses a single AA lithium battery that will power for approximately 10 hours?
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There are currently _ types of night vision devices in Civil Engineer unit inventories.
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The AN/PVS-31C has an auto-sleep feature that will place the unit in a reduced power consumption state when the unit is
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What are two types of night vision technology?
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If toxic phosphor screen material is swallowed, do not induce vomiting, as toxins can spread, causing potential vital organ failure.
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Image intensification is based on
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Be conscious of _ when using night vision devices, and keep infrared light sources turned off when not needed.
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What night vision device is this? (Further apart and had a connecting item on top of binoculars)
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Study Notes
Night Vision Devices Overview
- Peripheral vision is reduced from 190 degrees to 40 degrees when using night vision devices.
- The AN/PVS-31C unit shows a white glow in each eyepiece upon activation.
- Air Force Instruction 10-210 mandates the use of night vision devices for Civil Engineers.
Maintenance and Care
- Clean battery compartment contacts with isopropyl alcohol and a cotton swab if necessary.
- Lithium batteries used in night vision devices contain toxic sulfur dioxide gas; avoid overheating or tampering.
Types and Technology
- Thermal imaging devices are sometimes called Forward Looking Infrared (FLIR).
- Two primary types of night vision technology: thermal imaging and image intensification.
- U.S. military currently uses Generation 3 night vision technology.
- Generation 4 technology was previously fielded but withdrawn for failing durability requirements.
Device Features and Usage
- AN/PVS-31C is the standard night vision device for Prime Beef and RED HORSE units.
- Optional 4-cell battery pack for AN/PVS-31C increases life to around 50 hours.
- AN/PVS-15C operates on a single AA lithium battery lasting approximately 10 hours.
User Experience
- Image intensification relies on light amplification for enhanced vision.
- Night vision reduces the user's vision to 20/40.
- Depth perception is not significantly improved while using night vision devices.
- Sacrificial windows protect objective lenses from scratches and damage.
Configuration and Accessory Knowledge
- Night vision devices can be handheld or helmet-mounted.
- Wilcox Helmet Mount and T-bracket allow binocular attachment to helmets.
- Diopter attachments customize the eyepieces for individual operator's eyesight variations.
- Auto-sleep feature in AN/PVS-31C activates when the unit is stowed on the helmet mount.
General Knowledge and Safety
- There are two types of night vision devices in Civil Engineer unit inventories.
- Awareness of leaking light is crucial when operating night vision devices; keep infrared sources off when unnecessary.
- Phosphor technology can provide both green and white landscape visuals, with green being the original night vision phosphor.
- Inducing vomiting is not advised if phosphor screen material is ingested, as it can lead to organ failure.
Additional Insights
- There are not three different night vision color options; current options are limited to two.
- Familiarity with equipment and adherence to safety protocols enhance efficient operation of night vision devices.
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Description
This quiz assesses your knowledge of night vision devices and their specifications. It covers key terms, functions, and guidelines related to the use of these advanced optical tools. Perfect for anyone seeking to strengthen their understanding of night vision technology.
