instruction night vision binoculars nvb

SPECIFICATIONS

	NVB 2.5×42	NVB 2.5×42 Pro
Dimensions: Length, inch/mm Width, inch/mm Height, inch/mm	6.5/165 6.25/160 3/176	6.5/165 6.25 / 160 3/176
Weight, oz./kg	28 / 0,8	28 / 0,8
Visual Magnification, x	2.5	2.5
Vertical Resolution, lines/mm	30	35
Angular Field of View	15°	15°
Viewing Range*, ft./m	600 / 200	600 / 200
Eyepiece Adjustment, diopter	±5	±5
Operating Voltage, V	3(2AA)	3(2AA)
Temperature Range	-22°F-104°F -30°C – +40°C	-22°F-104°F -30°C – +40°C
Maximum Humidity, %	93	93
Operating Time, hour	20 (@ 32°F)	20 (@ 32°F)
Built in I.R.IIuminato, yd./m	90	150

* Maximum distance at which a human figure can be recognized under ideal viewing conditions; defined as clear conditions (no fog, dust etc.) under the light of a Y* moon (5×10’2 lux minimum).

UNPACKING THE UNIT:

Your NVB 2.5x night vision scope is shipped with the following:
o One Carrying Case
o Lens Caps
o One Neck Strap
o This User’s Manual
o One Warranty Registration Card

OVERVIEW:

Your NVB 2.5x starlight night vision scope is a professional/military quality night vision device designed to provide enhanced viewing in all low light conditions including total darkness. Our US Generation I, night vision binocular operates by amplifying existing light using an Electro-optical system. The NVB 2.5x is a passive starlight device: it does NOT require any artificial light source, although an artificial Infrared light will greatly enhance the scope’s effectiveness in all facets of operation. NVB 2.5x is constructed using two separate Electro-optical intensifying tubes contained in a water-resistant composite housing. The entire unit is rugged enough for extreme field conditions but damage may occur if the binocular is mishandled. The NVB 2.5x is entirely self-contained and can operate for up to 20 hours on 2 AA batteries at temperatures ranging from -22°F to 104°F.

Your NVB 2.5x binocular is ideal for a variety of professional and recreational uses including the following:
Wild life observation
Astronomy
Boating
Search and rescue
And many other activities…

WARNINGS AND PRECAUTIONS:

Your NVB 2.5x night vision binocular was designed to provide many years of reliable service. To ensure that you get the most enjoyment out of your NVB 2.5x always obey the following Warnings and Precautions:
o Do not point the NVB 2.5x toward any light source greater than 1 lux., such as car headlights, for an extended period of time. Our NVB 2.5x utilizes an internal flash protection system, which minimizes potential damage, but long term exposure to bright lights can damage the unit. Any such damage may void your warrant;
o Your NVB 2.5x was designed to be self-contained. Do not open the case of the binoculars or otherwise attempt to service this device.
o Always store the NVB 2.5x in a dry, well-ventilated room.
o Keep the NVB 2.5x away from any heating/air conditioning vents or other heating devices, direct sunlight, dust and moisture.
o Avoid dropping or otherwise shocking the unit. Although designed for rugged outdoor use, the NVB 2.5x incorporates a sophisticated lens and mirror optical system, which could be damaged in extreme cases of misuse.
o Clean optical parts (lenses) with professional lens cleaning supplies designed for use with multicoated optics.
o Clean the exterior of your NVB 2.5x with a soft, clean cloth.

Damage to this device from failure to observe these warnings may void the NVB 2.5x warranty!

BATTERY INSTALLATION:

Your NVB 2.5x runs on 2 AA batteries, to install, unscrew the battery compartment cover. Insert the batteries into the battery compartment so that the positive (+) and negative (-) terminals of the batteries match the markings inside the compartment. Replace the battery cover carefully -do not over tighten.

USE AND TESTING:

Your night vision binoculars NVB 2.5x requires two AA batteries.
o Make sure they have been installed according to instructions found in the battery installation section of this manual. After the batteries are installed, be sure that the ‘ON’ LEDs are not illuminated. If they are illuminated, press the ‘ON’ button once to turn the device off.
o The NVB 2,5x can be tested in a lighted area by keeping the lens caps in place and pressing the ‘ON’ button. The caps have infrared glasses that admit a small amount of light for testing purposes.
o Move into a dark area before activating the NVB 2.5x.
o Remove the objective and eyepiece lens’ caps.
o Set the focus preliminary adjustment by placing the adjusting marks on top of the front (objective) lenses focusing rings opposite the letter “N” in the word “Normal”. Adjust each eyepiece by setting the adjusting mark on the eyepiece opposite the center marks on the housing.
o Activate the night vision binoculars by pushing the “ON” button.
o If the subject to be viewed is in a completely dark area (shadow, etc) activate the infrared illuminator by pressing the I.R. button located next to “ON” button.
o Diopter setting – Direct your night vision binoculars at an object at a distance approximately 100 m and adjust the the right and left eyepiece diopter setting to give the best quality image by rotating the eyepieces.
o Distance focusing – Obtain the best quality image by rotating the focusing ring for the left and right objective lenses.
o Direct your night vision binoculars at the subject to be viewed and adjust the final focus by rotating the objective lens focusing rings until the image quality is optimal.
o The Green LED indicates that the light amplifier unit is on. The Red LED indicates that the IR illuminator is on. The viewing screen in the night vision binoculars will continue to glow for few minutes after the unit is turned off. This is normal. Always remember to turn off the unit when done. Do not store your NVB 2.5x when any of the indicators are lit.

When you are finished using your NVB 2.5x, make sure to replace the lens caps.

Caution: Your NVB 2.5x can be used in extreme cold. However, when the unit is brought back into a warm environment, you MUST wait approximately 5 HOURS before using the unit again. Damage may occur due to condensation that may have accumulated on the internal circuitry of the unit.

MAINTENANCE:

Maintaining the NVB 2.5x is simple:
o Clean the lenses with professional lens cleaning supplies intended for use with multicoated optics.
o Blow any dust or dirt off the lenses using dry, compressed air.
o Clean the Sibir NVB 2.5x housing with a soft, clean cloth.

STORAGE:

Always store the NVB 2.5x in its case in a dry, well-ventilated area away from heating/air conditioning vents, or other heating devices. Temperature should not go below 50° F. Humidity should not exceed 70%. Remove the batteries if the device is to be stored for longer than 2 months.

CUSTOMER SERVICE:

Should you have trouble with your NVB 2.5x, please return the scope to your retailer for repair or replacement.
Do not return merchandise directly to the Manufacturer without the expressed permission of our Technical Support Staff. The Manufacturer cannot accept responsibility for unauthorized returns.

TROUBLESHOOTING:

The NVB 2.5x does not work…
Make sure that the batteries are installed properly and that they are in good working condition.
Depress the on switch to start the NVB 2.5x charging system.
Condensation collects on the unit…
Your NVB 2.5x can be used in extremely cold temperatures. However, when the unit is brought back into a warm environment, you must wait approximately 5 HOURS before using the unit. This is due to condensation that may accumulate on the electronic circuitry.
I cannot focus the NVB 2.5x…
Adjust the objective lens and eyepiece according to the instructions listed in the Operation section of this manual. If the NVB 2.5x still does not focus clean the optical parts thoroughly – they may be fogged or dirty.

WARRANTY:

The Manufacturer warrants its products against defects in materials and workmanship for a period of three years from the original date of purchase. Any device returned for warranty service must be judged by The Manufacturer as having been used according to its original design intents. As such, misuse, neglect, or any abnormal use is not covered by this warranty. Product malfunction or deterioration due to normal use is not covered by this warranty. The Manufacturer will repair or replace such products or parts thereof, which, upon inspection by The Manufacturer, is found to be defective in either materials or workmanship. As a condition of The Manufacturer’s obligation regarding warranty work, the product must be returned to The Manufacturer with satisfactory proof of purchase. It is highly recommended that you fill out and return your warranty registration card to ensure the warranty coverage. This warranty is null and void if equipment has been altered, tampered with, modified, or otherwise abused, mishandled, or subjected to unauthorized repairs. The manufacturer disclaims any other warranties, either expressed or implied, except as expressed herein, the sole obligation of the manufacturer is to repair or replace the covered device. The manufacturer expressly disclaims responsibility for any lost profits, general, specific, direct, indirect, or consequential damages which may result from breach of any warranty or resulting from the use or inability to use of any the manufacturer’s products.