Nv400b

Generic Nv400b 7X31 Digital Night Vision Binoculars User Manual

Model: Nv400b

1. Introduction

Thank you for purchasing the Generic Nv400b 7X31 Digital Night Vision Binoculars. This device is designed for both daytime and nighttime observation, offering clear viewing with its digital zoom and infrared capabilities. It features image capture and video recording functions, allowing you to document your observations. Please read this manual thoroughly before operating the device to ensure proper use and to maximize its performance and longevity.

2. Safety Information

3. Package Contents

Please check the package contents upon unboxing. If any items are missing or damaged, contact your retailer.

Nv400b Digital Night Vision Binoculars and accessories

Figure 3.1: Nv400b Digital Night Vision Binoculars with included accessories (neck strap, USB cable, AV cable, cleaning cloth).

4. Product Overview

Familiarize yourself with the main components of your Nv400b binoculars.

Front view of Nv400b Digital Night Vision Binoculars

Figure 4.1: Front view showing objective lenses and infrared illuminator.

Top-angled view of Nv400b Digital Night Vision Binoculars with control buttons

Figure 4.2: Top-angled view highlighting the control buttons: MODE, ZOOM, SNAP, and IR.

Top-angled view of Nv400b Digital Night Vision Binoculars with focus wheel

Figure 4.3: Top-angled view showing the focus adjustment wheel and eyepiece.

LCD screen of Nv400b Digital Night Vision Binoculars

Figure 4.4: The 2.0-inch TFT LCD display for viewing observations and navigating menus.

Key Components:

5. Setup

5.1 Battery Installation

  1. Locate the battery compartment cover on the device.
  2. Open the cover and insert 8 x AA batteries, ensuring correct polarity (+/-).
  3. Close the battery compartment cover securely.
  4. Alternatively, the device can be powered by a compatible power bank via the USB port.

5.2 Memory Card Installation

  1. The device requires a Micro SD card (not included) for storing images and videos. A capacity of 4GB to 32GB is recommended.
  2. Locate the memory card slot.
  3. Insert the Micro SD card into the slot until it clicks into place. Ensure the card is inserted in the correct orientation.
  4. To remove, gently push the card until it springs out.

6. Operating Instructions

6.1 Powering On/Off

6.2 Focusing

6.3 Adjusting Digital Zoom

6.4 Using Infrared (IR) for Night Vision

6.5 Capturing Images and Videos

6.6 Menu Navigation and Language Settings

6.7 Connecting to a Computer (USB)

6.8 Connecting to a Television (AV Out)

7. Maintenance

7.1 Cleaning

7.2 Storage

8. Troubleshooting

Problem Possible Cause Solution
Device does not power on. Batteries are dead or incorrectly inserted. Replace batteries or check polarity. Ensure power button is pressed and held.
Poor image quality / blurry view. Incorrect focus; dirty lenses; insufficient IR illumination (at night). Adjust the focus wheel. Clean lenses with the provided cloth. Increase IR intensity or ensure IR is active in dark conditions.
Cannot save images/videos. No Micro SD card inserted; Micro SD card is full or corrupted. Insert a Micro SD card. Delete old files or replace the card. Format the card (via device menu if available).
Device freezes or becomes unresponsive. Temporary software glitch. Remove and reinsert batteries to perform a hard reset.

9. Specifications

Model Nv400b
Optical Magnification 3.5X - 7X
Digital Zoom 2X
Objective Lens Diameter 31mm
Angle of View 4.5° - 9°
Daytime Observation Range 5m to infinity
Nighttime Observation Range (Full Darkness) Up to 400 meters (black and white)
Display Screen 2.0" TFT LCD (320 x 240 resolution)
Image Resolution 640 x 480
Storage Micro SD card, up to 32GB (not included)
Power Source 8 x AA batteries (not included) or external power bank
Dimensions 22cm x 14cm x 6cm
Weight 760g
Color Black
Supported Languages English, French, Spanish, Portuguese, German, and 5 other languages

10. Warranty and Support

This product is covered by a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact your retailer. For technical support or service inquiries, please reach out to the manufacturer or your point of purchase.

Documents - Nv400b – Nv400b
[pdf] Document
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ADCA DESCRIPTION STAINLESS STEEL NEEDLE VALVES NV400 The NV400 is a series of high pressure needle valves designed for shut-off applications with steam and other industrial fluids. The NV400B is a special version designed for use as a boiler water sample valve when connected to the bottom sample ...
score:32 filesize: 1.74 M page_count: 2 document date: 2020-08-27
[pdf] Document
Datablad Kontrolventiler ADCA VPC26 3 100 e vpc26 adcatrol tds blowdown control valves dn15 40 v 1619158341 cdn shopify s files 1 0516 8588 4078 |||
ADCA TDS BLOWDOWN CONTROL VALVES VPC26 DESCRIPTION When a steam boiler is in operation there is c ... and easy inline maintenance procedures. OPTIONS AND ACCESSORIES: Sample valve bottom connection. NV400B sample valve. Blowdown controllers. TDS probes. USE: AVAILABLE MODELS: TDS blowdown control...
score:29 filesize: 888.35 K page_count: 5 document date: 2021-04-08