denver NVI-491 Digital Night Vision Camera Instruction Manual
- June 9, 2024
- Denver
Table of Contents
denver NVI-491 Digital Night Vision Camera
Safety information
Please read the safety instructions carefully before using the product for the first time and keep the instructions for future reference.
- This product is not a toy. Keep it out of reach of children.
- Warning : This product includes lithium 1ON battery.
- Keep product out of the reach of children and pets to avoid chewing and swallowing.
- Product operating and storage temperature is from-5 degree Celsius to 40 degree Celsius. Under and over this temperature might affect the function.
- Never open the product. Repairs or service should only be performed by qualified personnel
- Do not expose to heat, water, moisture, direct sunlight!
- The unit is not waterproof. If water or foreign objects enter the unit, it may result in fire or electric shock. If water or a foreign object enters the unit, stop use immediately.
- Only charge with supplied USB cable.
- Do not use non original accessories together with the product as this can make the product functionality abnormal.
Product appearance
- Power On/Off/Menu
- Indicator light
- OK/photo button
- Scroll to top button
- Scroll down button
- On/off button/Mode button
- Display screen
- Lanyard hole
- Infrared light
- Lens
- Charging light
- USB port
- microSD card holder
- Tripod connector
- Battery compartment cover
Battery installation
Please install the battery before using the device. Please open the battery compartment cover at the back of the night vision device (as shown below) and install a battery type 18650, ensuring that the polarity (+/-) is correct. Close the cover and tighten it.
insert memory card
Please choose a Class 10 microsD card (supporting up to 32GB). Be sure to insert the microSD card in the right direction (as shown below); do not insert the card forcibly. Before use, format the microSD card, which can enhance the battery life, shutter speed and card compatibility. Lightly press the edge of the microSD card to remove.
Basic operation
Power On/Off
Press and hold the power button for 3 seconds to switch the night vision
device on/off.
Mode selection & Setup menu
There are 3 modes (photo mode, video mode and playback mode) and a setting
menu for this night vision device. Press and hold the mode button to toggle
between modes. Press the power button to enter the setup menu.
Photo/Video
CAUTION
In photo and video modes, make adjustments to the night vision camera prior to
taking photos and videos.
Focus wheel adjustment
Please look at the display and adjust the focus wheel manually to the left or
right as per the actual viewing distance and until the display is clear (as
shown below).\
Enable infrared light night vision function
If there is not enough light or when using at night, press the infrared light
IR button to turn on the infrared light and cycle through the 7 infrared light
levels (0>1 >2>3>4>5>6>7>0). The image changes to black and white. Depending
on the actual situation, adjust the brightness. The dimmer the light, the
higher the adjustment.
Operation
Scroll to top button Press and hold to enlarge the Image to a maximum of 8x. Scroll down button Press and hold to zoom out the enlarged image. OK button In photo mode, press to take a picture; in video mode, press to start recording, and then again press to end recording.
ICONS
- 1X: Zoom magnification
- IR1 : Infrared light level
- 720P : Video resolution
- 04:57:00 Remaining available recording time
Playback mode
Enter playback mode
Press and hold the Mode button to toggle between modes until playback mode is
selected.
View photos and video recordings
Press the Scroll to top or Scroll down button to preview the picture or video.
Play/Stop video playback
Press the OK button to stop video playback.
File deletion
- Press the Scroll to top or Scroll down button to select photo or video.
- Press the Power / button to pop up the file deletion page.
- Press the up/down button to select the Delete option.
- Press the OK button the Delete one and Delete all options are displayed.
- Press the up/down button to select, then press the OK button confirm the option; or press the Power button to exit the Delete page.
Setup menu
Access the Setup Menu
In video and photo modes, press the Power button to enter/exit the setup menu.
About the setup menu
- Press the up/down button to select the Setup menu options.
- Press the OK button to enter the options.
- Press the up/down button to select the parameter.
- Press the OK button to confirm and quit; or press the Power button to return to the Setup menu.
Date/time setting
Locate the setting option in the menu. Press the OK button to enter. Press the
OK button to toggle between year/month/day/hour/minute/second, then press the
up/down button to enlarge or reduce the value. Press the Power button to
confirm and return to the settings menu.
PC connection
Enable the night vision device (the night vision device requires a memory
card), use the data cable to connect to the computer to the night vision
device. The following menu is displayed:
- Press the Scroll up/down button the OK button to confirm. to select memory or camera, and press
- Mass storage : The computer recognizes the microSD card and enables you to copy files to the computer.
- PC camera : The computer recognizes the camera as a computer-available camera.
CAUTION
Device power off
If the device fails to be switched on, check if the battery is installed
properly; if the battery power is insufficient (please charge it promptly).
Reset operation
If the camera is stuck or does not react to operation, it can be forced off by
long pressing the IR button and then lightly pressing the power button (double
button press for quick reset) or by inserting the reset pin in the reset hole
to turn off the camera and restart it afterwards.
Poor picture quality
If used during the day, be sure the IR light is off (if IR is on, the screen
will display in black and white, if IR is off, the screen will display in
color). If used at night or in dim light, be sure the IR light is turned on.
Adjust the focus by moving the focus wheel gradually.
Maintenance
Remove the battery before cleaning the device. Use a dry cloth only to clean the exterior of the device. Do not use any cleaning solution to protect the device from possible damage. For cleaning the lenses, use a very soft, lint- free cloth (e.g. microfiber cloth). Avoid scratches on the lenses, just press the cleaning cloth carefullyAt all times, keep the device away from dust and moisture. Keep it in a protective case or in the box. Remove the batteries only if the device will not be used for a long period of time. Please notice – All products are subject to change without any notice. We take reservations for errors and omissions in the manual. ALL RIGHTS RESERVED, COPYRIGHT DENVER A/S
DISPOSAL
Electric and electronic equipment and included batteries contains
materials, components and substances that can be hazardous to your health and
the environment, if the waste material (discarded electric and electronic
equipment and batteries) is not handled correctly. Electric and electronic
equipment and batteries is marked with the crossed out trash can symbol, seen
above. This symbol signifies that electric and electronic equipment and
batteries should not be disposed of with other household waste, but should be
disposed of separately. As the end user it is important that you submit your
used batteries to the appropriate and designated facility. In this manner you
make sure that the batteries are recycled in accordance with legislature and
will not harm the environment. All cities have established collection points,
where electric and electronic equipment
and batteries can either be submitted free of charge at recycling stations and
other collection sites, or be collected from the households. Additional
information is available at the technical department of your city.
DENVER A/S Omega 5A, Soeften DK-8382 Hinnerup Denmark www.facebook.com//denver.eu
Warning!
- Lithium battery inside!
- Do not try to open the product!
- Do not expose to heat, water, moisture or direct sunlight!
- Only charge with the original charger supplied with this product!
Nordics
Headquarter Denver A/S Omega 5A, Soeften DK-8382 Hinnerup Denmark
- Phone : +45 86 22 51 00 (Push “2” for support)
- E-Mail For technical questions, please write to : support@denver.eu
- For all other questions please write to:denver@denver.eu
Germany
Denver Germany GmbH Service Gutenbergstrasse1 94036 Passau
- Phone: +49 851 379 369 40
- E-Mail Repair-germany@denver.eu
Denver A/S Omega 5A, Soeften DK-8382 Hinnerup Denmark Denver.eu
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