Lorex L154-81 Instruction Manual

Detect the disk capacity of the DVR

(1) Connect the DVR to a monitor (refer to the monitor connections section)

(2) Turn the DVR unit on.

(3) Check the screen for the following words which show that the DVR is initializing:

(4) Check the upper right hand corner of the screen for the disk capacity. The L154-81 will indicate an

80GB capacity. As recorded space is consumed, the available space will diminish.

Model: L154-81 Digital Video Recorder

1) FAQ: What is the hard disk capacity of the L154-81 DVR?

The L154-81 is a four channel DVR with an 80 GB Hard Disk Drive installed.

The internal drive bay is located in the bottom panel of the DVR as referenced above.

The internal drive bay is accessible from the bottom panel of the DVR by removing 4 screws from the HDD

cover.

Installing the HDD in the internal compartment allows you to add more storage capacity when you include

the removable HDD in the front panel bay.

In some DVR’s the 80 GB Hard Disk Drive may be installed in the internal drive bay .

Removable Hard Disk

Drive

Internal Drive Bay

Accessible through

bottom panel.

HDD checking…

Master hard drive

2) FAQ: How do I connect the L154-81 to a monitor?

There are many types of monitors. Setup instructions for two different types of monitors are

described:

•Connect a slave monitor

•Connect a quad monitor (used as a slave monitor)

Example 1: Connect a slave monitor (typical connection)

A slave monitor displays video output and on screen display (OSD) from the DVR.

(1) Four camera video outputs connect to the four video inputs of the DVR in a typical

connection.

(2) The DVR video output connects to video input of the monitor.

The L154-81 includes 2 RCA cables and 4 BNC to RCA adapters. This cable/adapter combination

will allow this DVR to connect to most slave monitors without having to purchase additional cables or

adapters.

DVR Video Out

Back of DVR Back of Monitor

Video In

Cameras

A. Monitor ‘Slave’

B. Monitor ‘Quad’

(not included)

Example 2: Connect a quad monitor (used as a slave monitor)

A quad monitor supports four camera connections. The screen can display 4 cameras

simultaneously or one camera at a time.

The L154-81 is a four channel DVR that records four channels of video. It also performs the function

of a quad monitor.

If you already have a quad monitor with cameras connected to it, this is the best solution for

connecting your DVR:

1) Connect your camera video output to the video input of the DVR.

2) Then connect your video output from the DVR to the video input of the quad monitor.

Under this setup the quad monitor simply acts as a slave monitor and the on screen display of the

DVR will appear on the monitor.

Example 1: Connect a Quad monitor with (looping) video outputs

In this example the quad monitor has individual (looping) video outputs for each channel.

3) FAQ: How do I maintain the camera input to the quad monitor and connect the L154-81 to

the monitor?

There are two different ways to connect the monitor to the DVR. Setup instructions for two different

types of monitors are provided:

•Quad monitor with (looping) video outputs

•Quad monitor without (looping) video outputs

1) Connect the video output* from channel 1 of the monitor to channel 1 video input of the

DVR.

2) Repeat this procedure for the rest of the channels.

Video/ VCR In

Video Out

Cameras

Video In

Looping

Video Out

(not included)

Quad Monitor

DVR

*NOTE:

On Lorex quad monitors the BNC

video input channel connectors

also support video output. The

BNC video input/output on a

Lorex quad monitor can be

connected to BNC video input of

the DVR.

To display the recorded video from the DVR on the monitor

1) Connect the video output from the DVR to the video input of the monitor (there should

be a selector switch on the quad monitor that indicates VCR).

2) Press the selector switch for VCR on the monitor. Selecting VCR causes the DVR

functions to override the quad monitor functions.

This connection procedure will allow you to use all of the functions of the DVR.

Example 2: Connect a Quad monitor without (looping) video outputs

In this example the quad monitor does not have looping video outputs for each channel.

A quad monitor without looping video outputs for each channel should have a video output

labeled VCR out

To display the recorded video from the DVR on the monitor

1) Connect the VCR output (video output) from the quad monitor to channel 1 video input on

the DVR.

2) Select VCR on the front panel of the monitor. You will then be able to view recorded video.

Video Out

Cameras

Video In Video/ VCR In

(not included)

Back of Monitor

DVR

Video/

VCR Out

In this type of connection, whatever is visible on the monitor screen will be recorded on the

DVR.

To view recorded video from the DVR on the monitor

1) Connect a cable from the DVR video output to the quad monitor video input. The quad

monitor video input may be labeled on the monitor as VCR video in.

2) Select VCR on the front panel of the monitor. You will then be able to view recorded

video.

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