Lorex LH158 - User Manual

Questions and Answers

J
Jay HowardAug 13, 2025
What to do if there is no picture on monitor/TV after connecting it to Lorex DVR?
- K
  kdickersonAug 13, 2025
  If there's no picture on your monitor/TV after connecting it to the Lorex DVR, try these steps: * Power off the monitor/TV and the DVR, then power on the monitor/TV first, followed by the DVR. * Make sure the monitor/TV is set to the correct input channel for the DVR. * Check that the video cable is securely connected to both the DVR and the monitor/TV. * If the resolution is incorrect, press and hold the '?' button on the DVR's front panel until it restarts. This will reset the DVR to the default resolution (1024x768).
B
Brooke RamirezAug 17, 2025
How to fix Lorex LH158 when hard drive is full and not recording?
- J
  John MendozaAug 17, 2025
  If the hard drive on your Lorex DVR is full (0%) and the unit is no longer recording, go to the Main Menu, select DEVICE HDD, then select Auto under Overwrite, and click Apply. This enables the overwrite function.
J
john64Aug 21, 2025
How to turn off beeping during motion detection on Lorex LH158?
- A
  Amber TorresAug 21, 2025
  If your Lorex DVR system beeps during motion detection, open the Main Menu and click System>Motion. In the Buzzer drop-down, select Off, then click Apply. This will deactivate the alarm buzzer.
L
Lynn MitchellAug 25, 2025
How to troubleshoot Lorex LH158 DVR system not receiving power?
- J
  Jill BoydAug 25, 2025
  If your Lorex DVR system isn't receiving power or powering up, check the following: * Ensure the cable from the power adapter is securely connected to the back of the unit and plugged into the outlet. * Make sure the power switch is in the ON (I) position. * Confirm the system is powered on by checking for LED indicators on the front. If connected through a power bar or surge protector, try connecting directly to the wall outlet. Also, test the outlet with another device to ensure it's providing power.
C
Christina AdamsAug 28, 2025
What to do if hard drive is not detected by Lorex LH158 DVR?
- B
  barbarayoungAug 28, 2025
  If the hard drive is not detected by your Lorex DVR system: * First, remove the housing and check that the hard drive cables are firmly connected. * If there is no hard drive, open the housing and install a 2.5" or 3.5" SATA hard drive. Remember to format the drive after installation.
T
Tammy LopezSep 1, 2025
Why is mouse not detected by Lorex LH158 DVR system?
- E
  Ethan BurgessSep 1, 2025
  If the mouse is not being detected by your Lorex DVR system: * Ensure the mouse cable is firmly connected to one of the USB ports. * If that doesn't work, power off the system by disconnecting the power cable. Then, firmly connect a USB mouse to a USB port and reconnect the power cable to the DC 12V port on the rear panel.
N
Nathan BrewerSep 5, 2025
How to fix no picture on selected channels of Lorex LH158 DVR?
- G
  Gary ToddSep 5, 2025
  If there is no picture on selected channels or the camera picture is not being displayed on your Lorex DVR, check the camera video cable and connections. Disconnect and reconnect the cable at both the system and the camera. Try moving the camera to another channel or using another cable.
E
Ellen SandersSep 9, 2025
Why does my Lorex DVR have picture but no sound?
- M
  michaelbradySep 9, 2025
  If the image on the Lorex DVR appears but there is no sound: * Check the AUDIO input connections to the DVR. * Also, increase the volume on any external speakers you have connected.

Summary

Getting Started and Hardware Overview

System Components and Initial Setup

Lists the included components and provides initial setup guidance.

Front Panel Controls and Indicators

Identifies and explains the controls and indicators on the front panel.

Rear Panel Connections and Ports

Identifies the ports and connections on the rear panel.

Basic Setup and Initial Configuration

Connecting Peripherals and Initial System Configuration

Covers initial connections, power, firmware, time, and password setup.

Camera Installation and Device Control

Camera Installation and Connection Procedures

Provides advice and steps for installing and connecting cameras.

Mouse and Remote Control Operations

Explains how to use the mouse and remote controls for device operation.

On-Screen Display and System Menu Navigation

Navigating the On-Screen Display and Menus

Covers interface navigation, virtual keyboards, zoom, and PIP modes.

Display, Recording, and Playback Settings

Covers display customization, recording, playback, and backup configurations.

Network, Alarm, Security, and Device Settings

Covers network, alarm, passwords, users, device, and system settings.

Remote Access and Software Usage

Connecting to DVR via Internet (PC;Mac)

Details on internet connection setup and client software usage.

Using Mobile Apps for Remote Access

Guides for accessing the DVR using mobile applications.

Lorex Player Software for Video Playback

Instructions for using PC/Mac software to view video backups.

Appendices and Troubleshooting

System Specifications and Technical Appendices

Provides system specs, PTZ, hard drive, and audio information.

DDNS Setup and Troubleshooting Guide

Guides for DDNS setup and general troubleshooting steps.

Lorex LH158 Specifications

General

Channels	8
Compression	H.264
Motion Detection	Yes
Video Inputs	8 BNC
Video Output	1 BNC, 1 VGA, 1 HDMI
Network Interface	RJ45
Power Supply	DC 12V
Remote Viewing	Yes
USB Ports	2 USB 2.0