Newcon Optik NVS7-2/4x - Manual (Page 3)

6. TROUBLESHOOTING
The unit does not work.
Check that the battery is installed properly.
Check the charge of the batteries. Replace if it is weak.
The image does not appear in focus.
Bring the inspected object to the center of the image. Turning the eyepieces (6) adjust to
achieve the clearest image on the screen. Then obtain the most clear-cut image of the object
focusing the lens (2). Repeat the steps of focusing if necessary
If the view still does not seem in focus, clean the lenses - they could be foggy or dusty.
Unit flashes
It is normal for the unit to flash within the first 2 minutes of activation. If the flashing continues
afterwards the following is a possible cause: bright environment (even with the caps closed!)
Condensation accumulates on the parts.
It is O.K. to use the unit in cold. However, when the unit is brought from the cold into a warm
environment, it has to warm up for up to 2 hours (not minutes!).
Only then it is allowed to turn it ON again
.
CONTENTS
1- Overview
i) Application and Advantages
5.1 Pre-starting procedures
ii) Warning 5.2 Operation at night
iii) Precautions
2- Components
3- Specifications
4- Construction
5- Operating Instructions
6- Troubleshooting
7- Warranty
8- Customer support
9-Acceptance Certificate
THANK YOU FOR PURCHASING THE NIGHT VISION BN5-2M. PLEASE DEMAND TO CHECK
THE DEVICE FOR PROPER OPERATION WHEN BUYING IT. PLEASE READ ALL THE
INSTRUCTIONS CAREFULLY BEFORE USING .
1.
OVERVIEW
The night vision NVS7-2/4X / NVS7-2/4XHD is observational binoculars, intended
for examining objects and orientation at nighttime or dark conditions. The unit utilizes a
generation 2+ or 3 image intensifier, which amplifies available moonlight, starlight or
man-
made light . The binoculars were designed to be easy to use, and provide many years of
operation.
Some of the typical activities where the binoculars will be useful:
• Law enforcement
• Wildlife observation
• Security
• Search and rescue
• Hunting
• Photography (Dark room operation)