levenhuk BL20 Discovery Night Binoculars with Tripod User Manual

: June 10, 2024
: levenhuk

Table of Contents

Product Overview
Getting started
Cleaning and precautions
Battery safety instructions
Levenhuk Warranty
Specifications
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

levenhuk BL20 Discovery Night Binoculars with Tripod User Manual

Product Overview

Product overview

Focusing wheel
USB and microSD slots
IR UP button
IR DOWN button
POWER/MODE button
Strap hooks
IR LEDs
MENU button
MODE button
SHOT button
Battery compartment
View area
Tripod adapter

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, tripod, Mini USB 2.0 cable, MicroSD card 32GB, strap, pouch, and user manual.

Getting started

Install batteries

Open the battery compartment cover (11) and insert 3 batteries according to the correct polarity marks. Close the cover. Repeat the same steps with the second battery compartment

Installing/removing the memory card

The device supports memory cards class 10 up to 32 GB.
Remove the rubber cover (2) from the USB and microSD slots.
Insert the microSD card into the slot. Make sure the direction is right. Do not force the card in.
Format the microSD card before starting, as it will improve its compatibility with the device.
To remove the card from the slot, press the edge of the memory card in gently, and the card will pop out. Then, remove the card.

Note: If the memory card is not installed, a No Card message will be displayed, and the “x” symbol will appear next to the memory card icon.

Button panel and device settings
A long press will turn the device on/off and to zoom in/out the image. For the other functions, use a short press.

POWER button
Press and hold the POWER button for 3 seconds to turn the device on or off.
Turn the focus wheel to adjust the focus.

Notes:

If the device fails to activate, check for defective or improperly installed batteries.
Always only use the recommended batteries.
If you wear glasses, keep them on while using the device.

IR UP button
If the light is insufficient or when used in the evening, turn on the IR by pressing the IR UP button. The image will change from color to black and white. You may select the brightness level from 1 to 7. The brightness values will be displayed on the LCD screen.

Button functions: 1 ) IR brightness level up; 2) Zoom in; 3) scroll the menu up.

Notes:

Do not use IR in daylight (when IR is on, you will have a color image, when IR is off —black and white image).
If the battery power is not enough, the IR LED level will lower automatically. If only half power is left, the max. brightness level is 5. If only 25% power is left, the max. brightness level is 3. If the battery power is lower than 25%, the IR LED cannot be activated.

IR DOWN button
Button functions: 1) IR brightness level down; 2) Zoom out; 3) scroll the menu down.
MODE button
This button switches between 3 in-built modes: 1) photo mode; 2) video mode; and 3) playback mode. The default mode is video.

MENU button

To change the settings, press the MENU button and highlight the desired menu item by scrolling up (IR UP) or down (IR DOWN).
Select the highlighted item by pressing the SHOT button.
In the menu, you can select photo or video resolution, night vision sensitivity, change the language, set the date, set auto power off, put the date on photos or videos, format the memory card, view and delete the current file or all files from the memory card, etc.

Note: To get to the submenu of the playback mode, you need to select the playback mode first (MODE button).
BL10. Please note that the device can produce a color image, a black and white image, a bright green image, or an image with a color film effect. However, the color image is not available when night mode is on. Press and hold the MENU button for three seconds.
SHOT button
Button functions: 1) takes a picture in Photo mode; 2) starts and stops video recording in Video mode; 3) enters the sub-menu.

Display information

| Current mode
---|---
| Memory card
| Indicating IR levels (1–7)
| Night vision sensitivity
| Battery status
| Indicating the Zoom in levels up to 4x

Remote Control by Mobile App/Wi-Fi Connection
The function is only available for the Discovery Night BL20 model.
Before using the remote control of this device, download the NV Plus app from the Apple App Store or the NVTLSCP app from Google Play on your tablet or smartphone.

Turn on the device.
Press the WI-FI button to enter the WI-FI mode (WI-FI icon will be displayed on the TFT screen).
Start the app on your smartphone, find account “NV_xxxxxxxxxxxx”, and enter the initial password “123456789”.
Once your device is successfully connected, you will be able to view images in real time, change the settings, take videos and photos, download and delete files, etc.

Copying files
You can transfer files from the device to your smartphone, tablet, or PC directly, without installing an app.

Insert the memory card into a card reader; or
Connect the device to your computer with a USB cable.

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 Warranty

Levenhuk products, except for their accessories, carry a 10-year warranty against
defects in materials and workmanship. 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: www.levenhuk.com/warranty If warranty problems arise, or if you need assistance in using your product, contact the local Levenhuk branch.

Specifications

Magnification, x	1–4 (digital), 13 (optical)
Objective lens diameter, mm	33.5
Field of view, °	10
Focal ratio	f /1.2
Close focus, m / f	3 / 10
Observation distance, m / f	250–300 (in complete darkness) 3~∞ (in weak

light) / 820–985 (in complete darkness) 10~infinity (in weak light)
Tripod adapter thread| 1/4″
Operating temperature range, °C / °F| −20…+60 (operating), −30…+70 (storage) / −4…+140 (operating), −22…+158 (storage
IR-illumination| IR LEDs 3W (7 brightness levels)
IR wavelength, nm| 850
Recording time with illumination (IR), h| 4
Recording time without illumination (IR), h| 10
Power supply| 6 alkaline AA batteries; or 6 2500mAh AA HR6 1.2V NiMH rechargeable batteries (batteries not included)
Operation voltage| 9V
Daytime recording without IR| color image
Recording at night (in the dark) with IR| black and white image
Storage| class 10, microSD up to 32GB
Image format and resolution| JPG; 3M (2048x1536px), 2M (1600x1200px), 1M (1280x960px), VGA (640x480px)
Video format and resolution| AVI; 960P (1280x960px@30fps), VGA (640x480px@30fps)
Support mobile APP (for BL20| Android, IOS
Wi-Fi| 2.4GHz (802.11b/g/n), distance 15m
Language Settings| Chinese, Dutch, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish
Dimensions, mm / in| 196х146х59 / 7.7×5.8×2.3
Weight, g / lb| 576 / 1.3