levenhuk Halo NVM20 Helmet Digital Night Vision Monocular User Manual

: June 29, 2024
: levenhuk

Table of Contents

levenhuk Halo NVM20 Helmet Digital Night Vision Monocular
User Manual
Levenhuk Halo NVM20 Helmet Digital Night Vision Monocular
Specifications
Getting started
Remote Control by Mobile App/Wi-Fi Connection
Cleaning and precautions
Battery safety instructions
Levenhuk International Lifetime Warranty
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

levenhuk Halo NVM20 Helmet Digital Night Vision Monocular

levenhuk-Halo-NVM20-Helmet-Digital-Night-Vision-Monocular-
PTODUCT

Specifications

Magnification: 1, 2, 4, 6x (digital), 1x (optical)
Objective Lens Diameter: 17.5mm
Field of View
Close Focus: 0.2m
Focal Ratio: 1:0.8
IR Illumination: 1W, 3 brightness levels, 850 nm
Image Sensor: 1/2 CMOS 1080P
Display: 0.38 OLED, 1920x1080px
Observation Distance (in weak light)
Image Format and Resolution: JPG, 1080x607px
Video Format and Resolution: MP4, 1080x607px
Daytime Color Mode
Night-time Color Mode: black-and-white image; black-and-green image
Operation Time (with IR Illumination): 3 hours
Operation Time (without IR Illumination): 5 hours
Auto-off: 3 minutes, 5 minutes, 10 minutes, off
Wi-Fi: 2.4GHz; 5-10m
Water-/Dustproof Certification: IP66
Operating Temperature Range
Power Supply

Product Usage Instructions
Getting Started

Install Batteries:
Open the battery compartment cover and insert the rechargeable battery according to the correct polarity symbols. Close the cover.
Rechargeable Battery Charging:
When a rechargeable battery is discharged, insert it into the battery charger according to the correct polarity symbols. Connect the battery charger to the AC power supply using the power cable and power adapter. Prior to using the rechargeable battery for the first time, charge it for at least 4 hours.

Frequently Asked Questions (FAQ)
Q: Can I use this device during the daytime?
A: Yes, the device has a daytime color mode available for use.

User Manual

Power button
Left button
Right button
Battery compartment
IR illuminator
Mounting part
Objective lens cap
Focusing wheel
Diopter adjustment ring
Eyepiece

levenhuk-Halo-NVM20-Helmet-Digital-Night-Vision-
Monocular-1

Levenhuk Halo NVM20 Helmet Digital Night Vision Monocular

Never, under any circumstances, look directly at the Sun, another bright source of light, or at a laser through this device, as it may cause PERMANENT RETINAL DAMAGE and may lead to BLINDNESS.
The kit includes: night vision device, carry bag, AC adapter, microUSB cable, battery charger, rechargeable lithium battery, cleaning cloth, helmet mount bracket with screws, user manual, and warranty.

Specifications

levenhuk-Halo-NVM20-Helmet-Digital-Night-Vision-
Monocular-2

The manufacturer reserves the right to make changes to the product range and specifications without prior notice.

Getting started

Install batteries
Open the battery compartment cover and insert the rechargeable battery according to the correct polarity symbols. Close the cover.

When a rechargeable battery is discharged, insert it into the battery charger according to the correct polarity symbols. Connect the battery charger to the AC power supply using the power cable and power adapter. Prior to using the rechargeable battery for the first time, charge it for at least 4 hours.

Power button
Button functions:

turns the device on and off;
confirms the selection.

Press and hold the power button for 3 seconds to turn the device on or off. Turn the focusing wheel to adjust the focus on the viewed object. Turn the diopter adjustment ring to make the words and icons on the display clearer.

Wi-Fi status
IR light status
Digital magnification
Time
Battery status
Compass

Left button
Button functions:

enters, exits, and scrolls the menu;
adjusts the zoom.

Press and hold the Left button for 3 seconds to enter or exit the Menu. Press the Left button to adjust the zoom value (1х, 2х, 4х, 6x).

Menu:

Wi-Fi status settings
Time and date settings
Auto-off settings
Language settings
Brightness settings
Default settings

Right button
Button functions: 1) enters and exits the IR light mode; 2) adjusts the IR illumination level; 3) selects the color mode.
If the present light is insufficient or it is to be used in the evening, press and hold the Right button for 3 seconds to turn the IR light on. The image will change from color to black and white. Press the Right button to select the brightness level. The brightness values will be displayed on the screen.

You can select a color mode for image display in the IR light mode. For this,

Press and hold the Right button for 3 seconds to turn the IR light OFF.
Press the Right button to select the black-and-white or black-and-green color mode (IR light OFF).
Press and hold the Right button for 3 seconds to turn the IR light ON. The image color will be displayed according to the selected color mode.

Remote Control by Mobile App/Wi-Fi Connection

Before using the remote control of this device, download the Roadcam application (for iOS) from the Apple App Store or download the Wi-Fi Camera Device application (for Android) from Google Play and install it on your tablet or smartphone.
You can take pictures, record videos, and playback the files using the appropriate application.

Start the app on your smartphone.
Turn on the device.
Enter the Menu; select the Wi-Fi option; select ON (turn on). Enter the initial password 12345678.
Proceed as required by the smartphone app.

IR illumination (infrared radiation) can be detected by photo and video cameras as well as other similar electronic devices during operation.

Cleaning and precautions

Do not expose the device to direct sunlight — that could cause a fire! Do not scratch or touch the optical surfaces with your fingers. Remove the batteries before cleaning the device! Use only dry, lint-free cloths to wipe the outer parts of the device. Do not use cleaning fluid to avoid the electronics damage. To avoid scratching the lenses, only use a soft cloth and do not press too hard. Keep the device away from dust and water. Keep the device in a bag or a box. Remove the batteries from the device if it has not been used for a long time.

Battery safety instructions

Always purchase the correct size and grade of battery most suitable for the intended use. Always replace the whole set of batteries at one time; taking care not to mix old and new ones, or batteries of different types. Clean the battery contacts and also those of the device prior to battery installation. Make sure the batteries are installed correctly with regard to polarity (+ and –). Remove batteries from equipment that is not to be used for an extended period of time. Remove used batteries promptly. Never short-circuit batteries as this may lead to high temperatures, leakage, or explosion. Never heat batteries in order to revive them. Do not disassemble batteries. Remember to switch off devices after use. Keep batteries out of the reach of children, to avoid risk of ingestion, suffocation, or poisoning. Utilize used batteries as prescribed by your country’s laws.

Levenhuk International Lifetime Warranty

All Levenhuk telescopes, microscopes, binoculars, and other optical products, except for their accessories, carry a lifetime warranty against defects in materials and workmanship. A lifetime warranty is a guarantee on the lifetime of the product on the market. All Levenhuk accessories are warranted to be free of defects in materials and workmanship for six months from the purchase date. The warranty entitles you to the free repair or replacement of the Levenhuk product in any country where a Levenhuk office is located if all the warranty conditions are met.
For further details, please visit our web site: levenhuk.com/warranty
If warranty problems arise, or if you need assistance in using your product, contact the local Levenhuk branch.