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Connecting the Cameras

Individual Power Adapter*

Multi-Camera Power Adapter*

Connecting the Cameras

* Images for representation only.

To install your camera:

1.  Set the camera in the desired mounting position and mark 

holes for screws through the camera base. 

2.  Drill the holes, then feed the cable through the mounting 

surface or cable notch. 

 

NOTE:

 Insert the included drywall anchors if you are 

mounting the camera onto drywall. 

3.  Mount the camera stand to the mounting surface using 

the provided screws. Make sure all screws are fastened 

tightly. 

4.  Adjust the camera as shown below:

Installing the Camera

Connect the male power head 

and the BNC connector to the 

camera.

Connect the BNC connector  

to a video input on your DVR.

Connecting the Camera

Cable Notch

C861MB_QSG_EN_R1

Power Adapter Types

A multi-camera power adapter that provides power to multiple cameras 

or individual power adapters may be provided, depending on product 

configuration.

Problem

Solution

No picture / signal

•  Ensure that you have set the DVR to 4K output 

resolution. See your recorder's documentation for 

full instructions.

•  The cameras are only compatible with certain Lorex 

HD DVRs. For the full list of compatible recorders, 

visit 

lorex.com/compatibility

.

•  Ensure your TV or monitor is on the correct input 

channel. Common terms for input channels: INPUT, 

AV CHANNEL, LINE1, LINE2, AUX.

•  Ensure your DVR is properly connected to your TV 

or monitor. 

•  Ensure connections are properly connected.

•  Ensure the camera power supply is plugged in.

Picture is too bright

•  Ensure your camera isn’t pointed directly at a 

source of light (e.g., sun or spot light).

•  Check the brightness settings of the DVR and 

monitor.

•  Move your camera to a different location.

Picture is too dark

•  Check the brightness and contrast settings of the 

DVR and monitor.

Night vision is not working

•  The night vision activates when light levels drop. 

The area may have too much light.

Picture is not clear

•  Check the camera lens for dirt, dust, spiderwebs. 

Clean the lens with a soft, clean cloth.

•  Make sure that the cable run is within the 

limitations specified in the section ‘Cable Extension 

Options’.

•  Remove the vinyl film from the camera lens when 

your installation is complete.

Bright spot in video when 

viewing camera at night

•  Night vision reflects when pointing a camera 

through a window. Move the camera to a different 

location.

No audio

•  Audio is only supported on Lorex HD DVRs. For a list 

of compatible recorders, visit  

lorex.com/compatibility

.

•  Audio is disabled by default. For full instructions 

on enabling camera's audio, see your recorder's 

documentation on 

lorex.com

.

•  Ensure DVR volume is turned on / turned up.

•  Ensure audio is turned up on viewing device.

•  Ensure that your monitor has built-in speakers. 

Otherwise, use the RCA output on your DVR to 

connect external speakers.

Troubleshooting

A.

 

ROTATING THE ARM

: Rotate the arm until you hear an audible click. 

Each rotation or click locks the arm into that position. The arm of the 

camera can be rotated up to 360°.

 

B. BENDING THE ARM AND LEVELING THE CAMERA

: Use a Phillips 

head screwdriver (not included) to loosen the adjustment screw. 

Bend the arm of the camera up to 90°, and rotate the camera until it 

is level with the viewing area, then tighten the screw.

 

ATTENTION: 

Test your camera prior to selecting a permanent mounting location by 

temporarily connecting the camera and cable to your DVR.

Before Installing the Camera

• Decide whether to run the cables 

through the wall / ceiling (drilling 

required) or along the wall / ceiling. 

• If you run the cables along the  

wall / ceiling, you must run the  

cable through the 

cable notch

 on the 

base. This will keep the camera base 

flush to the surface when mounted.

A

B

Connect the female power 

head to the included power 

adapter.

Camera

DVR

Male Power

Female Power

Setup Diagram

BNC Video

12V DC Power

Camera

Extension Cable

Power Adapter

HD DVR

Extend the cable run for your camera depending on the cable type used. Additional 
extension cables sold separately. See table below:

Cable Extension Options

Option

Model Number

Cable Length

1

 

CB120URB1A

120ft (37m)

2

CB250URB1A

250ft (76m) 

Notes:

1.  The extension cable must be a single stretch of cable between the DVR and 

camera. You cannot connect multiple extension cables to each other.

2.  Indicators that your cable run may be too long:

•  Camera loses video when switching to night vision.

•  Video is permanently black & white (even during day time).

•  Video is unclear, soft, or distorted.

3.  For more information on extension cables, visit 

lorex.com

.

5.  Remove the vinyl film from the camera lens when your 

installation is complete.

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