BestGuarder NV-900 User Manual

Digital Night Vision
wide dynamic range with 4” Display
4.5-22.5x40mm
Model:NV-900
INSTRUCTION MANUAL
Thank you very much for purchasing our product. To be familar with the operation
of the instrument,please reading this manuel carefully before operating it.
Version_1.0 09/2018
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BestGuarder NV-900 Specifications

General

Objective Lens Diameter	40 mm
Night Vision Generation	1
Infrared Illuminator	Yes
Display	LCD
Exit Pupil	8 mm
Close Focus Distance	3 m
Waterproof	Yes
Fogproof	Yes

Summary

Appearance and Component Interfaces

Product Overview

Product Features

Precautions

SD Card, Battery, Lens, and Water Resistance Handling

Covers proper handling of SD cards, batteries, lenses, and water resistance guidelines.

Operation

Button Functions Overview

Details the primary functions of each control button on the device.

Media Playback and Deletion

Setup and Basic Operation

Loading Batteries and Powering On

Instructions for inserting batteries or connecting a power bank to operate the device.

Adjusting Display Focus and Eyepieces

Steps for adjusting the eyepiece focus and spacing for clear vision.

Other Operations

Troubleshooting Common Issues

Provides solutions for common operational problems like unit not turning on or image quality.

Menu Settings

Menu Mode Navigation

Menu Navigation and Options

USB Connectivity and Modes

Technical Specification

Warranty and Cautions

Product Warranty Information

General Cautions and Warnings

Provides essential cautions for safe operation, handling, and storage of the device.