Lorex N841 User Manual

Back panels shown below are for illustration only. Your recorder’s back panel

may appear different, with all the same ports in different locations.

Physical setup of recorder and essential system settings

Package Contents

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Quick Setup Guide

N841 Series

Test your cameras prior to selecting a permanent mounting location by temporarily
connecting the cameras and cables to your NVR using one of the following 2 methods:

a. Connect cameras directly to the recorder (recommended).

b. Connect cameras to a PoE switch or router on your network (not included).

STEP 1: Connect cameras*

OR

NOTES:

• It may take up to 1 minute for cameras to start up and transmit video to your recorder.

• This guide covers connecting IP cameras to your security recorder only. For full instructions
on installing your cameras, please refer to your camera’s documentation at lorex.com.

• Connecting cameras to a router, or a network switch without PoE, requires a power adapter
for each camera. Refer to your camera’s documentation at lorex.com for the correct power
adapter model number.

s

STEP 2: Connect router*

Connect the recorder to your router using the included Ethernet cable.

4K Ultra HD Security NVR

USB MouseEthernet CablePower Adapter HDMI Cable

Dimensions

12.8” / 324mm

2.4”

60mm

9.8” / 249mm

Setting Up Your Recorder

See the steps below (expanded instructions to the right) to complete initial setup of
the recorder:

STEP 1:

Connect cameras*

STEP 2:

Connect router*

STEP 3:

Connect mouse

NOTES:

• If you are using a PoE switch, ensure the switch is connected to the same network as your
recorder.

• To receive automatic firmware updates and enable remote viewing with mobile apps, a high
speed Internet connection is required (minimum upload speed of 5Mbps required for 4K
viewing; 3.5Mbps for lower resolutions). All other system features can be used without an
Internet connection.

STEP 3: Connect mouse

Connect the included mouse to a USB port on the recorder.

STEP 4: Connect monitor*

Connect the recorder to a monitor using the included HDMI cable or a VGA cable (not
included). The HDMI port supports up to 4K resolution, and VGA supports up to 1080p.

OR

STEP 5:

Connect power

For camera compatibility information, visit lorex.com/compatibility.

Overview of extra ports:

Audio In/Out

Connect microphone / speaker*

NOTE: For full instructions on using the extra ports, please refer to your security recorder’s

instruction manual at lorex.com.

STEP 4:

Connect monitor*

* Not included / sold separately.

Need Help?

Visit us online for up-to-date software

and complete instruction manuals

1

2

3

Visit lorex.com

Search for the model

number of your product

Click on your product

in the search results

IMPORTANT: To optimize picture quality, set the recorder’s video output to match the resolution of

your monitor. See the section Changing the Recorder’s Output Resolution on the rear for details.

STEP 5: Connect power*

Use the included power adapter to connect the recorder to a nearby outlet.

Reference: Using the Quick Menu

Right-click anywhere on the live viewing screen to open the Quick Menu.

a

a. Select camera/live display view.

b

b. Control PTZ cameras (not included).

c
d

c. Control auto focus cameras (not

e

included).

f
g

d. Adjust camera color and image

h

settings.

i
j

e. View system information.

k

f. Start/stop sequence mode.

l

g. Temporarily disable all current

audible warnings.

h. Search and play back recordings.

i. Search for and play back person /

vehicle detection events.

j. Open manual recording controls.

k. Add IP cameras over the LAN.

l. Open Main Menu.

Reference: Using the Mouse

• During split-screen display

mode: Click an individual
channel to view in full­screen. Click again to return
to the split-screen display
mode.

• While navigating menus:

Click to open a menu option.

NOTE: In live view, hover the mouse cursor over the top of the screen to open the Navigation Bar.

Move the mouse cursor away from the top of the screen to close the Navigation Bar.

During live view: Use the scroll wheel to zoom in / out.

• During live view: Click
anywhere on the screen to
open the Quick Menu.

• While navigating menus:
Click to exit menus.

Reference: Quick Access to System Information

Click on the Downloads tab

4

Copyright © 2019 Lorex Corporation

As our products are subject to continuous improvement, Lorex reserves the right to modify product design,

specifications and prices, without notice and without incurring any obligation. E&OE. All rights reserved.

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To quickly open a window that displays vital system information such as device ID,
model number, firmware version, and IP address:

• Tap the button on the front panel of the recorder.

OR

• Right-click to open the Quick Menu and click Info.

Once you have completed all steps for initial setup on the front of this guide, please refer

to the following sections to learn more about using your system.

Adding Cameras from the LAN

Follow the steps below to add cameras that are not directly connected to the Power
over Ethernet (PoE) ports on the back of the recorder.

NOTE: Please visit lorex.com/compatibility for a list of compatible Lorex IP cameras.

To add cameras from the LAN:

1. Connect the camera to a router or switch on the same network as the recorder.

2. Right-click and select Device Search. If prompted, log in using the system user name (default:
admin) and your new, secure password.

3. Configure the following:

a. Click Device Search.

b. Check the camera(s) you would like to

add.

c. Click Add. The status indicator

turns green to show the camera is
successfully connected.

d. The added device(s) will appear in the

Added Device list. Right-click to exit to
live view.

NOTE: If the icon in the Status column

appears red, there may be a password
issue with the camera. Select the
camera and click Reconnect IPC.

a

b

c

Setting Date and Time

It is important to set the correct time to ensure accurate time stamps on recordings.

To set date and time:

1. In live view, right-click and click Main Menu. If prompted, log in using the system user name
(default: admin) and your new, secure password.

2. Click and select Setting.

3. Click General and select the Date & Time tab.

4. Configure the following:

a. Enter the current time and select your

time zone, and click OK.

b. Check DST to enable auto Daylight

Savings Time updates.

c. (Optional) Check NTP to sync your

system with an Internet time server.
Click Manual Update to instantly
update the time.

NOTE: A constant Internet connection

is required to use NTP.

5. Click Apply to save changes.

a

b

c

Advanced Motion Detection & Deterrence Settings

Configure advanced motion detection and/or active deterrence settings. For a complete
list of compatible cameras, navigate to your recorder series at lorex.com/compatibility.

To configure advanced person/vehicle detection or active deterrence:

1. In live view, right-click and click Main Menu. If prompted, log in using the system user name
(default: admin) and your new, secure password.

2. Click , then select EVENT. Select the Deterrence tab.

3. Configure the following:

Option 1: Advanced Person/Vehicle Detection Cameras

a
b

c
d

e

f

a. Select the channel of

a connected camera
with person and vehicle
detection.

b. Check Enable

underneath Person
and/or Vehicle.

Figure 1: Detection Area

• The default schedule, shown in Figure 2, is active during
the night, between 5pm and 7am.

• Click Set to change the schedule for the corresponding
day of the week.

• Click OK when finished.

c. Click Set next to Area to set active areas for person and/or

vehicle detection. See Figure 1 below for details.

d. Click Set next to Schedule to set a weekly schedule for person

and/or vehicle detection. See Figure 2 below for details.

e. Set preferences for the warning light and siren.

f. Click OK.

• Click Add to set an area for person or vehicle
detection on the selected channel. Click-and-drag
the corners to resize the area.

• For most accurate results, set an area where objects
of interest will move within the bounding box as well
as into / out of.

• Check Light next to a rule to flash the camera’s
warning light when an object is detected.

• See your camera’s documentation for optimal
camera positioning for person and vehicle detection.

Figure 2: Deterrence Schedule

Option 2: Active Deterrence Cameras

Playback and Search

Search through and play video recordings from the hard drive.

To search for and play recordings:

1. From live view, right-click and then click Playback. If prompted, log in using the system user
name (default: admin) and your new, secure password.

2. Configure the following:

a. Use the calendar on the right

to select the date to playback.

b. Check channels you want to

play back. Click the grey icon
beside each selected channel
to select Mainstream (M) or
Substream (S) video quality.

c. Click inside the video bar to

select the playback time.
Playback starts immediately at
the selected time.

a

b

c

Backup

Back up recordings from the hard drive to a USB flash drive (not included).

To back up recordings:

1. Insert a USB flash drive (not included) into a free USB port on the recorder.

2. From live view, right-click and then click Main Menu. If prompted, log in using the system user
name (default: admin) and your new, secure password.

3. Click , then click BACKUP.

4. Configure the following:

a. Select the type and quality of

recordings to search for.

b. Select the channel(s) to search

by.

c. Select a Start Time and End

Time for your search.

d. Choose a file format for your

backed up files.

e. Click Add to see recordings

that match your search.

f. Check boxes next to recordings

you want to back up, then
click Start. You may also click
Onekey Backup to back up all
files that match your search.

a
c

b

e

d

a
b

c
d

e

a. Select the channel of a

connected deterrence camera.

b. Check Enable.

c. Click Set next to Area to set

active areas for person and/or
vehicle detection. See Figure 3
below for details.

Figure 3: Deterrence Area

To set off all connected deterrence cameras’ warning lights and
sirens, press and hold the front panel button for 3 seconds.

d. Click Set next to Schedule to set a weekly schedule for

person and/or vehicle detection. See Figure 2 above for
details.

e. Set preferences for the warning light and siren.

f. Set Sensitivity and Threshold levels to your preference.

g. Click OK.

• The camera image appears with a grid overlay. The
green area is the active area for deterrence.

• Click or click-and-drag to add / remove boxes from
the active area.

• In Figure 1, only motion around the doorway will
trigger the warning light.

• Right-click when finished.

g

f

Changing the Recorder’s Output Resolution

To ensure the best possible picture quality, set the recorder’s output resolution to
match the highest resolution supported by your monitor.

IMPORTANT: If you need to switch the monitor, make sure you set the recorder to an output resolution

supported by the new monitor before switching.

To change the recorder’s output resolution:

1. From live view, right-click and then click Main Menu. If prompted, log in using the system user
name (default: admin) and your new, secure password.

2. Click Display, then configure the following:

a. Set Resolution to match the

highest resolution supported
by your monitor. For example,

f

select 3840×2160 for 4K
monitors, or 1920×1080 for
1080p.

b. Click OK. The recorder will

restart before changes take
effect.

a

b

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