Page 2 - Instruction Manual
E V E R F O C U S E L E C T R O N I C S C O R P O R A T I O N EMV400 DVR Instruction Manual 2010 EverFocus Electronics Corp www.everfocus.com All rights reserved. No part of the contents of this manual may be reproduced or transmitted in any form or by any means without written permission of the E...
Page 3 - ii; Safety Precautions; Do not block the ventilation openings or slots on the cover.; Retain Instructions; All operating and use instructions should be followed.
ii Safety Precautions Refer all work related to the installation of this product to qualified service personnel or system installers. Do not block the ventilation openings or slots on the cover. Do not drop metallic parts through slots. This could permanently damage the appliance. Turn the pow...
Page 4 - iii; Water and Moisture; classified as a wet location.; Object and Liquid Entry
iii Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards. Water and Moisture Do not use this unit near water-for example, near a bath tub, wash bowl, kitchen sink, or laundry tub, in a wet basement, near a swimming pool, in an unprotected outdo...
Page 5 - iv; WEEE
iv This Product is RoHS compliant. WEEE The information in this manual was current upon publication. The manufacturer reserves the right to revise and improve his products. Therefore, all specifications are subject to change without prior notice. Manufacturer is not responsible for misprints or typo...
Page 6 - TABLE OF CONTENTS; PANEL
v TABLE OF CONTENTS 1 PRODUCT OVERVIEW ..................................................................................................... 1 1.1 FEATURES ....................................................................................................................... 1 1.2 PACKAGE CONTENTS.....
Page 9 - PRODUCT OVERVIEW; FEATURES; Channels of video and audio recording; Chapter
1 1 PRODUCT OVERVIEW Full featured video surveillance on the move: the EverFocus EMV400 digital video recorder, with H.264 compression technology for enhanced recording capacity and improved network image transmission speed with high image quality, delivers real-time video and audio recoding on all ...
Page 10 - PACKAGE CONTENTS
2 Temperature : -20ºC ~ 55ºC (Operating), -20ºC ~ 85ºC (Non-Operating) 1.2 PACKAGE CONTENTS - Digital Video Recorder x1 - HDD Tray x 1 - HDD Fixing Bracket x 1 set - Screws x 1 pack - Antenna x 1 set - IR Remote Control x 1 - Battery x 2 - Camera Power cable x 3 - Video & Audio cable x 3 - Ala...
Page 11 - SPECIFICATIONS
3 1.3 SPECIFICATIONS EMV400 - 4CH Mobile DVR Video Format NTSC/PAL (auto detected by system) Operating System Embedded Linux with special small monitor friendly GUI Video Input 4 channels (vibration resistant locking Molex connectors – Interface cables to BNC-F supplied: two groups of 2 cameras each...
Page 13 - FRONT PANEL; to copy/archive video or for firmware upgrades.; Copy: This LED ON indicates system is archiving data.
5 1.4 FRONT PANEL Your primary interaction with your new DVR will be through the Front Panel buttons and their corresponding buttons on the included IR Remote Control. Take a moment to learn where the keys are as the remainder of the manual will refer to them often. Figure 1-1 Front Panel 1) USB 2.0...
Page 15 - REAR PANEL; EMV400 can provide power source to the cameras, connect camera
7 1.5 REAR PANEL During initial setup you will be connecting your DVR to multiple input and output devices. This is done through the rear panel. Figure 1-2 Rear Panel ○ 1 Power Input/Ignition Control In/Switched power out: 4 pins are reserved for power input; connect to 10V~36VDC power source. 1 pin...
Page 17 - SYSTEM CONNECTION
9 1.6 SYSTEM CONNECTION Please refer to the following diagrams for the system connections. Note: Monitor and Camera must be purchased separately.
Page 18 - REAR PANEL CONNECTOR; ALARM IN
10 1.7 REAR PANEL CONNECTOR RS232/RS485 485+ 485- GND ALARM IN ALARM IN1 ALARM IN2 ALARM IN3 ALARM IN4 ALARM IN5 ALARM IN6 GND GND GND GND GND GND ALARM OUT NO1 COM1 NC1 NO2 COM2 NC2 VIDEO/AUDIO IN1 VIDEO IN1 VIDEO IN2 VIDEO IN3 VIDEO IN4 GND GND GND GND VIDEO/AUDIO IN2 VIDEO IN1 VIDEO IN2 VIDEO IN3...
Page 20 - INSTALLATION OF EMV400; The DVR can be mounted horizontally (suspend or support mounted).; Show all the possible ways to mount the DVR.
12 1.8 INSTALLATION OF EMV400 The DVR can be mounted horizontally (suspend or support mounted). Show all the possible ways to mount the DVR. Use the two Z-brackets supplied to mount it in any ways shown. Support Suspend Interface Interface Support Suspend EDSR40 EDSR400M Support
Page 22 - (Users are suggested to use “support” for mounting option)
14 Possible Installation Locations Inside the Automobile Vehicle: Truck Glove box (inside or underneath) Drive seat (between seat and wall) or Passenger seat (underneath) (Users are suggested to use “support” for mounting option) Show the wiring on the wiring harness that connects to the electri...
Page 23 - Possible Installation Locations Inside the Automobile Vehicle; Trunk (Users are suggested to use
15 Possible Installation Locations Inside the Automobile Vehicle Show the wiring on the wiring harness that connects to the electrical system. Drive seat (between seat and wall) Trunk (Users are suggested to use “suspend” for mounting option) Glove box (inside or underneath) Passenger seat (unde...
Page 24 - Monitor and cameras must be purchased separately.
16 Installing the Camera(s) and Monitor The DVR is typically connected to one camera installed inside the car. Other camera(s) can also be installed in different locations (for example, use the waterproof camera to the outside of vehicle). For installation procedure, please refer to the guide that...
Page 25 - a flexible schedule.
17 1.9 VIDEO INPUTS/OUTPUTS INSTALLATION Cameras and CCTV monitors must use copper center conductor/copper braid 75 Ohm video cable (e.g. RG-59, RG-6, RG-11) with BNC connectors. To avoid impedance mismatch and undesired loss/reflections, 50 Ohm coax cable (e.g. RG-58), or 75 ohm foil shield antenna...
Page 26 - USB-Mouse installation
18 1.11.1 Alarm Input Contacts This DVR provides one alarm input per camera. All inputs are programmable N.O. (Normal Open) or N.C. (Normal Closed) Inputs have to be switched by dry contacts. Alarm input with N.O. (Normal Open) contact Alarm input with N.C. (Normal Closed) contact in idle state in i...
Page 27 - Network Connection through Patch Cable
19 1.13.1 Direct PC Connection through Crossover Network Cable The point-to-point connection of DVR and PC requires a crossover (crossed) network cable. This type of connection is ONLY used for direct connection to a single PC. Make sure that the PC is equipped with a 10/100 Mbps compatible network ...
Page 28 - FINAL INSTALL PROCESS; turn on when the temperature is above -
20 Pinout of straight patch cable 1.14 FINAL INSTALL PROCESS Once you have completed the basic wiring connections, you are ready to turn on the DVR. Simply plug in the power source. The POWER LED will light up if power is normal. Once the system has finished loading, you can begin to set up the menu...
Page 29 - MOUSE OPERATION; GENERAL USB MOUSE OPERATION; How to select a channel
21 2 MOUSE OPERATION EMV400 mobile DVRs support 2 sources to control the DVR. It can be controlled with a mouse and the handheld IR remote control. (For IR remote control, please refer to Appendix C Remote Control) This chapter will cover the basic operation using the mouse. 2.1 GENERAL USB MOUSE OP...
Page 31 - CONFIGURATION; This chapter provides information for configuring EMV400.; CONFIGURATION OF DVR; ” on the on-screen keyboard to confirm the password.
23 3 CONFIGURATION This chapter provides information for configuring EMV400. 3.1 CONFIGURATION OF DVR EMV400 can be configured through On Screen Display Playback and Configuration Connect to the “Main Mon” output with a monitor and use the mouse or the remote control to configure menu settings. 3.2 ...
Page 32 - On Screen Configuration Menu; Left-click on the “Playback” icon “
24 Figure 3-2 On-screen Keyboard 3.3 On Screen Configuration Menu 1. To bring up the Main Menu, right-click with the USB mouse to bring up the root menu. Figure 3-3 On-screen Configuration 2. Left-click on the “Playback” icon “ ” to enter the Playback Menu. A Playback Bar appear as shown below:
Page 34 - SEARCH; Time Search
26 3.4 SEARCH Right-click to bring up the Root menu, select Playback and click to enter Search Menu. 3.4.1 Time Search Figure 3-4 Search Menu – Time Search Play From: Select the time to begin the search by choosing the Date and Time. Click on the “Play” button to start the search. The DVR will autom...
Page 35 - G Sensor Search
27 3.4.2 G Sensor Search Click button to start G Sensor search. Figure 3-5 Search Menu – G-Sensor Search From: Select starting date and time To: Select ending date and time. Select search format from Less Than, More Than, Inside Range and Outside Range. Value: Set the G-sensor value to be searched. ...
Page 36 - GPS Speed Search
28 3.4.3 GPS Speed Search Click button to enter GPS search menu. Figure 3-6 Search Menu – GPS Search From: Select starting date and time To: Select ending date and time. Display Unit: If the speed is being recorded from the GPS receiver, the desired speed display units must be selected. Select GPS s...
Page 38 - Click on the
30 3.4.4 Event Search Click button to enter Event search menu. Figure 3-8 Search Menu – Event Search From: Select starting date and time To: Select ending date and time. Select which event type(s) to search for. Choose from Alarm, Video Loss or Power On. Click on the button to select which cameras t...
Page 40 - Right-click to bring up the Root menu, select Playback and click; to enter Archive Menu.; Click
32 3.5 ARCHIVE (USB) Right-click to bring up the Root menu, select Playback and click to enter Archive Menu. Figure 3-10 Archive Menu Camera: Select which cameras will be archived. Choose “Select All” to select all the cameras. Player: Check the box to include the ePlayer program as part of the copy...
Page 41 - DVR CONFIGURATION; Configuration Menu; Left-click on the “Configuration” icon “
33 4 DVR CONFIGURATION This chapter will walk you through the DVR Menu Settings step by step and show you how to set the DVR for your specific application. 4.1 Configuration Menu 1. To bring up the Main Menu, right-click with the USB mouse to bring up the root menu. Figure 4-1 Root Menu 2. Left-clic...
Page 43 - CAMERA SETTING; Aud: Check this box to enable audio recording on the DVR.
35 4.2 CAMERA SETTING Figure 4-3 is a screenshot of the CAMERA SETTING MENU. This menu is used to configure individual camera settings. Figure 4-3 Camera Settings-Normal 4.2.1 Normal No.: Camera number. Speed: Frame rate in frames (images) per second (FPS) for continuous recording. The speed is limi...
Page 44 - Video Adjust
36 Ins: Check the box to enable the current camera. To take full advantage of the DVR’s recording abilities, any unused cameras should have this option set to “disabled”. Click button to enter Video Adjust menu. Click button to enter Alarm menu. Click button to return to the previous level of menu. ...
Page 46 - RECORD SETTING; display
38 4.3 RECORD SETTING Figure 4- is a screenshot of the RECORD SETTING MENU. This menu is used to configure basic recording settings. Figure 4-7 Record Settings 4.3.1 Record Record Overwrite: Check the box and the disk will begin overwriting when full. NOTE: Unless this box is checked, THE DVR MUST S...
Page 49 - Alarm-Event Settings
41 4.4.2 Alarm-Event Settings This section covers notifications due to internal system event warnings. Figure 4-10 Alarm – Event Settings Event: Select from the following event types. Fan Failure: Fan is not working. HD Temperature: Hard drive is over the safety warning temperature. HD Failure: If D...
Page 53 - Output Type: Output action when alarm is triggered.
45 HD Full: Figure 4-14 Alarm – Event - HD Full Buzzer: Check box to enable the buzzer when hard drive is full (recommended if the Record Overwrite function is disabled, see Section 4.3). Email Notify: Check box to enable email notification when HD is full. Email operation requires that valid email ...
Page 55 - restored, and any notifications cannot be made until that time.; button to return to the previous level of menu.
47 Power Loss: Figure 4-16 Alarm – Event – Power Loss Email Notify: Check box to enable email notification when power has been restored. Email operation requires that valid email settings have been entered in the Network Setting/Email setup screen. Network Alarm: Check box to send out a network alar...
Page 56 - relay. It can be set to either “NONE” (not
48 Network Loss: Figure 4-17 Alarm – Event – Network Loss Buzzer: Check box to enable buzzer when network is lost. Alarm Output: This will transmit a signal through the alarm output relay. It can be set to either “NONE” (not active), “1” (active) or “2” (active). Output Type: Output action when alar...
Page 58 - Alarm – Video Loss
50 4.4.3 Alarm – Video Loss Figure 4-19 Alarm – Video Loss Camera: Select the camera you wish to configure, “Title” will change to the title name of the selected camera. Enable: Check box to enable Video Loss detection. Alarm Output: This will transmit a signal through the alarm output relay. It can...
Page 62 - Alarm-GPS Event Action; Alarm Output: This will transmit a signal through the alarm output
54 4.4.6 Alarm-GPS Event Action Press to enter GPS Event Action Menu. Figure 4-22 Alarm – GPS Event Action Alarm Output: This will transmit a signal through the alarm output relay. It can be set to either “NONE” (not active), “1” (active) or “2” (active). Output Type: Output action when alarm is tri...
Page 63 - Center Latitude: Set the latitude if border type is circle.
55 4.4.7 Alarm-GPS Fencing Press to enter GPS Fencing Menu. Figure 4-23 Alarm – GPS Fencing GPS Alarm: Select “On” to enable GPS alarm. Select “Off” to disable GPS alarm function. GPS Border Type: Set to a circle or rectangle and dynamic prompts for Latitude and Longitude appear. Center Latitude: Se...
Page 64 - Settings
56 4.5 Date/Time Setting Figure 4-24 is a screenshot of the DATE/TIME SETTING MENU. This menu is for setting up the date/time parameters for the DVR. Figure 4-24 Date/Time Settings 4.5.1 Date/Time Settings Time Zone: Set the time zone that the DVR adjusts to when updating from the time server. Date:...
Page 65 - Saving
57 c) In the DOS Prompt, type “ping pool.ntp.org” to find out the IP address of an NTP Server. If selecting “GPS”, you will be able to do the following setting: Update Interval: The frequency that the system automatically updates the time via the NTP server. Select Daily, Weekly, or Monthly. Click b...
Page 66 - Monitor On Screen Display
58 4.6 Display Figure 4-26 is a screenshot of the DISPLAY SETTING MENU. This menu will walk you through the Main Monitor On-Screen Display (OSD) and Main Monitor Sequential setup. Figure 4-26 Display Settings 4.6.1 Title Main Title: Input the main title by using the on-screen keyboard. Maximum text ...
Page 74 - Mobile Connection Settings
66 4.7.3 Mobile Connection Settings Figure 4-33 Network Menu – Mobile Connection GPRS Service: Select “On” to enable GPRS service. Select “Off” to disable GPRS function. APN (Access Point Name): By local ISP setting. Phone Number: Input the phone number to dial for mobile connection. User Name: Inpu...
Page 75 - Email Settings; NOTE: For more reliable email service, use the server’s IP address.
67 4.7.4 Email Settings Figure 4-34 Network Menu – Email Settings SMTP Server: Assign the SMTP (e-mail) server’s name. NOTE: For more reliable email service, use the server’s IP address. SMTP Port: Assign the port number used by the SMTP server. Authentication: Check this box if the SMTP server requ...
Page 76 - DDNS Settings; EverfocusDDNS
68 4.7.5 DDNS Settings DDNS Server: Select either “EverfocusDDNS” or “www.dyndns.org” as the DDNS provider. If DDNS will not be used, simply select “Disable”. EverfocusDDNS Figure 4-35 Network Menu – DDNS Settings DVR Name: Input the desired name for the DVR Register/Update: Click the button to subm...
Page 79 - SYSTEM; User
71 4.8 SYSTEM 4-39 is a screenshot of the SYSTEM MENU. This menu is for setting up the general system parameters for the DVR. Figure 4-38 System Menu 4.8.1 User User Menu is where you can add or delete different login IDs on the system as well as set access levels. See the charts below for a listing...
Page 81 - Local; Web
73 There are three system access levels. The following charts show the rights of each level. Local Local Admin User Guest Live View O O O Copy O O O Playback O O X Camera O O X Record O O X Alarm/GPS O X X Date/Time O O X Display O X X Network O X X System O X X Configuration Information O O O Web W...
Page 84 - GPS
76 GPS Figure 4-43 System-I/O Control-GPS Baud Rate: The speed used to transmit instructions or information through the GPS on the DVR. Choose from the following speeds: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 BPS. Data Bit: The number of data bits used in a data packet or word. This can...
Page 86 - LOG
78 4.8.4 LOG Figure 4-46 System-Log This screen is used to choose, display and/or export log entries. From Date: Select starting date of log to be displayed. Time: Select starting time of log to be displayed. To Date: Select end date of log to be displayed. Time: Select end time of log to be display...
Page 87 - button to clear the log.; Export Log to USB: Press
79 View Log: Press button to view the log. See Figure 4-46 for more detail. Clear Log: Press button to clear the log. Export Log to USB: Press button to export log data to USB. Figure 4-47 Log List Prev Page: Go to the previous page of log. Next Page: Go to the next page of log. Close: Close the win...
Page 90 - INFORMATION
82 4.9 INFORMATION Figure 4.50 is a screenshot of the INFORMATION MENU. This menu displays important (read only) system information. Figure 4-50 Information System Version: Displays firmware version number. Model: Displays DVR model number. NTSC/PAL: Displays current video format selected based vide...
Page 91 - Networking Overview; Introduction to TCP/IP
83 5 Networking Overview This chapter will give you a basic instruction on how to set up the DVR for network connection. It is highly recommended that you have a working knowledge of what a network is and how it works. This will be helpful in completing the networking process. 5.1 Introduction to TC...
Page 92 - Virtual Ports; addressed by your Internet Service Provider.
84 5.4 Virtual Ports A port number represents a "channel" or entryway for network communications. Port numbers allow different computers to utilize network resources without interfering with each other. Port numbers most commonly appear in network programming, particularly socket programming...
Page 93 - What is your Network Setup?
85 The modem/router was either installed by your Internet service provider or purchased by you to establish a connection to the Internet. A router assigns different internal IP addresses to local computers; this allows multiple computers to access the Internet through the same external IP address. D...
Page 94 - Simple One to One Connection
86 2. Direct High Speed Modem Connection: A direct modem connection uses a standard network cable to connect the modem directly to a computer (or in this case a modem to the DVR). This type of connection only covers single-port modems. For a combination modem/router, use the setup described below. 3...
Page 99 - Direct High Speed Modem Connection; network cable for this application
91 5.8 Direct High Speed Modem Connection Straight Through Ethernet Cable Pin outs: The Figure below shows the pin configurations for a straight cable. Connection Procedure: The first step is to purchase or make a straight through cable. We recommend purchasing one if you have never made a straigh...
Page 101 - Router or LAN Connection; Straight Through Ethernet Cable Pin outs:
93 5.9 Router or LAN Connection Straight Through Ethernet Cable Pin outs: The Figure below shows the pin configurations for a straight cable. Connection Procedure: The First step is to purchase or make a straight through cable. We recommend purchasing one if you have never made a straight through ...
Page 103 - different location over the Internet, see below.
95 number of the IP address. For example, if the IP address of the computer is 192.168.2.101, the DVR’s IP address should be 192.168.002.050. To access the DVR from a computer simply open Internet Explorer and in the address bar type: http:// (IP address of the DVR) Note: The DVR’s IP address wi...
Page 104 - REMOTE OPERATION FROM BROWSER; You should then see a login prompt.
96 6 REMOTE OPERATION FROM BROWSER 6.1 CONNECTING TO EMV400 To access the DVR from a computer, open an Internet Explorer window and in the address bar type: Local connection: http:// (IP address from the DVR’s Network Menu): IP port used e.g. http://192.168.1.163:2468 Internet connection: http:// (I...
Page 105 - BROWSER SECURITY SETTING; Installing ActiveX controls
97 Enter a user name and password to access the recorder. These can be changed in the System section of the Main Menu. The default user name is “admin”. The default password is “11111111”. Click on the Login button and you will log in to the recorder’s Network Viewer. 6.2 BROWSER SECURITY SETT...
Page 108 - Enabling ActiveX Controls
100 6.2.2 Enabling ActiveX Controls Note: This section is only necessary if you DO NOT see the yellow ActiveX bar at the top of your browser screen when you first connect to the DVR. At the top of the Internet Explorer Window, click on Tools, then select Internet Options. Click the Security tab at t...
Page 110 - Close the window so you are back at the login screen.
102 Close the window so you are back at the login screen. Click the Refresh button to reload the page. Install the ePlusDVR.cab file when prompted to do so. Once the file finishes installing, you will return to the same login page as before. Type in the user name and password and click Login to view...
Page 111 - REMOTE LIVE VIEW
103 6.3 REMOTE LIVE VIEW 1. Click on a camera number on the left side of the display to switch that camera to full screen. Click on “4UP” to display 4 screens. 2. You can click the “Mic” button to transfer audio to DVR from client side if there is a microphone attached to the PC and an amplifier and...
Page 113 - REMOTE PLAYBACK
105 6.4 REMOTE PLAYBACK To playback the video, click the “Search” button. Select from “Time Search”, “G Sensor Search”, “GPS Search” or “Event Search”. For more details about Search setting, please refer to “3.4 Search Setting”. Playback Control Keys: 1. Fast rewind the video. 2. Play Reverse the vi...
Page 114 - EVERFOCUS DDNS SETUP; (Make sure that DNS Server 1 is set correctly or DDNS will not work); synchronize the DVR
106 7 EVERFOCUS DDNS SETUP Setup Steps: Step 1. Set up the Network Menu according to the instructions detailed in the Networking chapter. (Make sure that DNS Server 1 is set correctly or DDNS will not work) Step 2. Go to the website
Page 116 - Click on the “Applications & Gaming” tab.
108 8 LINKSYS & D-LINK PORT FORWARDING 8.1 TYPICAL LINKSYS PORT FORWARDING This section will cover a few simple configurations for the Linksys router. This chapter is only to offer some help to the installer and end user. Please understand we DO NOT support this product and will not give tech su...
Page 117 - Descriptions of each criterion are described here.; Changes to cancel them.; Here is an example for how the port information might look:
109 Applications and Gaming allows you to set up public services on your network, such as web servers, ftp servers, e-mail servers, or other specialized Internet applications. (Some Internet applications may not require any forwarding) To forward a port, enter the information on each line for the cr...
Page 118 - Type “admin” in the User Name field
110 8.2 TYPICAL D-LINK PORT FORWARDING This section will cover a few simple configurations for the D-Link router. This chapter is only to offer some help to the installer and end user. Please understand we DO NOT support this product and will not give tech support on it. If you need additional techn...
Page 119 - Click Virtual Servers on the left to bring up the following screen.
111 Click Virtual Servers on the left to bring up the following screen. Virtual Servers allows users who are connecting remotely to access services on the router’s Local Network. The functions of each field are described below. Virtual Server - Select Enabled or Disabled Name - Enter the name refere...
Page 121 - TROUBLESHOOTING; The DVR will not go into record mode.; are checked as “Installed” and that Record Mode is set to “Continuous”.; The DVR displays nothing on the main monitor.; Check that the monitor cables are good and power is on.; There is no display coming from one of the channels on the DVR.; Check that you can connect to the DVR on the LAN.
113 9 TROUBLESHOOTING If you have problems with the system, run through the following checklist to see if you can solve the problem. The DVR will not go into record mode. Bring up the DVR’s Menu and check under the Camera Menu. Verify that all connected cameras are checked as “Installed” and tha...
Page 123 - APPENDIX A: TIMING OF ALARM MODES; : Alarm duration for timeout, defined in the event setup menus; buzzer; Appendix
115 APPENDIX A: TIMING OF ALARM MODES Transparent Mode Input Event Alarm Duration t t Event = t Reaction t Event : Duration of alarm input source (motion, contact, system events...) t reaction : Resulting duration for this alarm mode, related to event record, alarm outputs, OSD message, buzzer Timeo...
Page 127 - Record With: Preset Setting
119 Case 3: Record Mode: Normal + Event or Event Only Record With: Preset Setting DVR will apply the settings in the table below to all cameras according to the Preset Settings. Preset Setting Option Camera Item Apply value Quality Superior Normal Frame Rate Max recording frame rate of DVR Best Qual...
Page 128 - APPENDIX C: REMOTE CONTROL; ID number here must correspond to the “IR
120 APPENDIX C: REMOTE CONTROL The IR remote control is an accessory to enhance the convenient operation of the DVR. You can perform all the settings and operations from the remote control. The effective distance is up to 33 feet line of sight. The keypad functions are same as the front panel button...