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Manual JVC DM-NC40

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  • JVC DM-NC40 - page 1

    For Customer Use : Enter below the Serial No. which is located on the body. Retain this information for future reference. Model No. DM-NC40 Serial No. DM–NC40 INSTR UCTIONS NETW ORK CODEC LST0176-001A POWER IN 2 IN 1 HOLD DECODE ENCODE CF PLA Y STOP HOLD SELECT P P in This instruction book is mode fr om 100% recycled paper . ...

  • JVC DM-NC40 - page 2

    2 1. Read all of these instructions. 2. Save these instructions for later use. 3. All warnings on the product and in the operating instructions should be adhered to. 4. Unplug this appliance system from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 5. Do not use attachments not recom ...

  • JVC DM-NC40 - page 3

    3 SAFETY PRECAUTIONS FOR USA AND CANAD A RISK OF ELECTRIC SHOCK DO NOT OPEN AUTION : T O REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER SER VICEABLE P ARTS INSIDE. REFER SER VICING T O QU ALIFIED SER VICE PERSONNEL. The exclamation point within an equilateral triangle is intended to alert the user to the presence of impor ...

  • JVC DM-NC40 - page 4

    4 Video/A udio codec The unit is equipped with both encoding and decoding features. The unit is also equipped with an echo cancel- ler feature. High-picture quality MPEG-4 codec • Encoding up to 2Mbps • 30fps video display at 352  240 resolution PinP (Picture-in-Picture) feature T w o camera video images can be combined f or displa y on the ...

  • JVC DM-NC40 - page 5

    5 Introduction Step 5 Mode Setup 5-1 Setting in the MODE SETUP Screen ........... 29 Step 6 Detailed Setup 6-1 NETWORK SETUP screen ................... 30 6-2 ENCODE P ARAMETERS screen ......... 32 6-3 TELEPHONE BOOK screen .................. 34 6-4 SECURITY SETUP screen .................... 35 6-5 ALARM SETUP screen .......................... 37 6 ...

  • JVC DM-NC40 - page 6

    6 • With the exception of the user being the copyright holder or when permission has been granted concern- ing duplication, etc. by the cop yr ight holder , per mission is required in principle f or the duplication, modi- fication, transmission, etc. of copyrighted video/audio. Unauthorized duplication, modification, transmission, etc. of copyrig ...

  • JVC DM-NC40 - page 7

    7 Introduction Cautionary Notes Storage/usage location ■ Do not use or store the unit in the following loca- tions. Malfunction may occur as a result. • Location outside the allowed operating tem- perature range (0 ° C ~ 40 ° C) where the tem- perature may become extremely hot or cold. • Location outside the allowed operating humid- ity ran ...

  • JVC DM-NC40 - page 8

    8 Names and Operations of P ar ts 1 [POWER] Power button and display lamp T ur ns the unit power on and off. Press secur ely until a click is heard. The display lamp turns green when the power is on. 2 [PinP] Picture-in-Picture button When in the Monitor mode, pressing the button on the monitoring side will light the button and display 2 videos in- ...

  • JVC DM-NC40 - page 9

    9 Introduction Back G [75 Ω /OPEN] Input 1, 75 Ω terminal switch 75 Ω terminal switch for the H VIDEO IN 1 terminal. Select “ OPEN ” during loop-thr ough connection. Other - wise, select “ 75 Ω ” . Video may not be displayed cor - rectly if the switch is not set pr operly . (Factory setting: 75 Ω ) H [VIDEO IN 1] Video input ter m ...

  • JVC DM-NC40 - page 10

    10 Names and Operations of P ar ts (Continued) M [ALARM] Alarm por t (Dsub 15-pin, female) Input terminals for alar m signals, and output terminals for device control. (  See “ Alarm Por t ” , page 18) (  See “ ALARM SETUP screen ” , page 37) N [RS485/RS232C] Protocol select switch of Serial Port 1 Selects the protocol of O SERIAL 1 p ...

  • JVC DM-NC40 - page 11

    11 Preparations ALC LEVEL Av Pk L H ALC LEVEL Av Pk L H POWER IN 2 IN 1 HOLD DECODE ENCODE CF PLAY STOP HOLD SELECT P P in POWER IN 2 IN 1 HOLD DECODE ENCODE CF PLAY STOP HOLD SELECT P P in Network Network V arious Applications ISMA compliant player Remote monitoring (Connection example:  pages 14 and 15) Streaming (ISMA compliant) (Connection e ...

  • JVC DM-NC40 - page 12

    12 Preparation Flo w P erf or m settings using the steps shown belo w . Step 1 Connection/Installation • Connect cables to the back of the unit. • For recor ding, insert a CF card • When completed, turn on the power .  Page 13 ~ Step 2 PC Network Settings • Network settings for the unit have been perfor med at the time of shipment. First ...

  • JVC DM-NC40 - page 13

    13 Preparations Step 1 Connection/Installation 1-1 Connection Examples (1) T eleconference system Network Network IN 2 100BASE-TX OPEN VIDEO LOOP THRU SERIAL 1 SERVICE CONTROL SERIAL 2 OUT VIDEO IN 1 OPEN LOOP THRU VIDEO RESERVED AC IN R L OUT AUDIO ALARM RS485 RS232C IN IN 2 100BASE-TX OPEN VIDEO LOOP THRU SERIAL 1 SERVICE CONTROL SERIAL 2 OUT VID ...

  • JVC DM-NC40 - page 14

    14 Network Network IN 2 100BASE-TX OPEN VIDEO LOOP THRU SERIAL 1 SERVICE CONTROL SERIAL 2 OUT VIDEO IN 1 OPEN LOOP THRU VIDEO RESERVED AC IN R L OUT AUDIO ALARM RS485 RS232C IN IN 2 100BASE-TX OPEN VIDEO LOOP THRU SERIAL 1 SERVICE CONTROL SERIAL 2 OUT VIDEO IN 1 OPEN LOOP THRU VIDEO RESERVED AC IN R L OUT AUDIO ALARM RS485 RS232C IN ALC LEVEL Av Pk ...

  • JVC DM-NC40 - page 15

    15 Preparations Network Network IN 2 100BASE-TX OPEN VIDEO LOOP THRU SERIAL 1 SERVICE CONTROL SERIAL 2 OUT VIDEO IN 1 OPEN LOOP THRU VIDEO RESERVED AC IN R L OUT AUDIO ALARM RS485 RS232C IN PROFESSINAL DV CAMCORDER GY-DV300 IRIS AUDIO LEVEL CH-1 CH-2 ND FILTER ON OFF FOCUS AUTO PUSH AUTO MANU OPEN 00:02:30 Memo • Make sure to set each IP addr ess ...

  • JVC DM-NC40 - page 16

    16 1-1 Connection Examples (Continued) Step 1 Connection/Installation (Contin ued) Caution when connecting diff erent modes For teleconference application, set units to T eleconference mode. For remote monitoring application, set units to Camera/Monito r mode. Connecting units in different application modes will result some problems as following: T ...

  • JVC DM-NC40 - page 17

    17 Preparations Connect the unit to a hub or a PC using a LAN cable . F or the cable , select categor y 5 or higher . When connecting to a hub: Use a straight cable. When connecting to a PC: Use a cross cable. 1-2 Connecting a LAN Cable Note Please check the specifications of the LAN board of the PC since in rare cases the use of a cr oss cable may ...

  • JVC DM-NC40 - page 18

    18 1-4 SERIAL P or ts and ALARM P or t Signal names of SERIAL por ts and ALARM por t located on the back of the unit are sho wn below . Step 1 Connection/Installation (Contin ued) [SERIAL 1, 2] Serial ports 1, 2 (Dsub 9-pin, male) When viewing from the back of unit SERIAL 1 port (when set to RS232C) SERIAL 2 port [ALARM] input port for alarm and ou ...

  • JVC DM-NC40 - page 19

    19 Preparations 1-5 Connecting the Power Cord Connect the unit to A C120V outlet using the included pow er cord. Fix the cord using the locking bracket. • Do not use the included cord other than for this unit. • T o completely cut-off power , r emove the power plug from the wall outlet or r emove the power cord fr om the AC IN terminal of the u ...

  • JVC DM-NC40 - page 20

    20 1. Click • Right click “ My Network ” and select . 2. Select the network of the PC that will be used for Web bro wser operations • Right click and select . 3. Select “ Internet Protocol (TCP/IP) ” and click 2-1 Setting the IP Address of the PC (F or Windo ws XP) When connection and installation are completed, the IP address of the PC ...

  • JVC DM-NC40 - page 21

    21 Preparations 4. Set the IP address 5. Clic k in the “ Local Area Connection Proper ties ” dialog bo x ” screen 1 Select “ Use the following IP address ” . 2 Set “ IP address ” . (For use at default setting without DHCP server , enter 10.0.0.100) 3 Enter appropriate values for “ Subnet mask ” . If unknown, ask to your network ad ...

  • JVC DM-NC40 - page 22

    22 1. Click . • Click “ Settings ” → “ Network and dialup connections ” . 2. Select “ Local Area Connections ” • Right click and select . 3. Select “ Internet Protocol (TCP/IP) ” and click . 2-2 Setting the IP Address of the PC (F or Windo ws 2000) When connection and installation are completed, the IP address of the PC contro ...

  • JVC DM-NC40 - page 23

    23 Preparations 4. Set the IP address 5. Clic k in the “ Local Area Connection Proper ties ” dialog bo x 1 Click . 1 Select “ Use the following IP address ” . 2 Set “ IP address ” . (For use at default setting without DHCP server , enter 10.0.0.100) 3 Enter appropriate values for “ Subnet mask ” . If unknown, ask to your network adm ...

  • JVC DM-NC40 - page 24

    24 Settings f or the unit are perf or med using a W eb browser . Login as an administrator to perf or m settings. 3-1 About the W eb Browser Step 3 Launc hing the W eb Br o wser About Web page images Look and feel of Web pages may slightly dif fer from the printed images in this Manual depending on W eb browser or PC display settings. If not all it ...

  • JVC DM-NC40 - page 25

    25 Preparations 3-2 About Access Restriction le v els DM-NC40 has 3 access levels for protection of settings/data. Access restriction level (  : Settings permitted,  : Settings not permitted, – : None) Level Administrator Operator User Screen Settings Br owsing Settings Browsing Settings Browsing ST A TUS –  –  –  TIME SETUP ...

  • JVC DM-NC40 - page 26

    26 3-3 Launching the Browser Step 3 Launc hing the W eb Br o wser (Continued) When the IP address of DM-NC40 is specified in the Web bro wser and login as an administrator is perf or med, the initial setup (ST A TUS) screen is displa yed. 1. Launch the W eb browser 2. Enter the user name and password (Login as an administrator) T o login by dif fer ...

  • JVC DM-NC40 - page 27

    27 Preparations 1. Click “ Detailed Setup ” on the left of the Network Codec screen and then click “ Network Setup ” • The NETWORK SETUP screen is displayed. 2. Reconnect to the changed IP address using the W eb bro wser • When the IP address of the DM-NC40 is changed, you need r econnect with new IP address for more settings by Web br ...

  • JVC DM-NC40 - page 28

    28 4-2 Time Setup (Be sure to perf or m) Step 4 Initial Settings (Contin ued) Set the time and date of the unit. Be sure to perform these settings since they are used as file names of JPEG recorded to the CF card. 1. Clic k “ Time Setup ” on the left of the Network Codec screen • The TIME SETUP screen will be displayed. 1 Select the country/r ...

  • JVC DM-NC40 - page 29

    29 Preparations 1. Click Mode Setup in the Network Codec screen • The MODE SETUP screen is displayed. 5-1 Setting in the MODE SETUP screen (Be sure to perform) Step 5 Mode Setup Select mode of the unit according to the system of use. 2 Click “ Initialize to Pr eset V alues ” to reset to the initial values of the mode selected in 1 . 4 Click ? ...

  • JVC DM-NC40 - page 30

    30 Item Content Default value Address Setup Manual: Set the address accor ding to the used environment. DHCP DHCP: Address is acquir ed from the DHCP server . * Changing fr om DHCP to Manual is possible from W eb browser , but you need to use API command to change from Manual to DHCP . For details concerning API commands, see the Command T able of ...

  • JVC DM-NC40 - page 31

    31 Preparations Optional settings (set as needed) Item Content Default value Host Name A name for distinguishing the unit connected to a network is set. dm-nc40 Allowed characters are alphanumerical characters, hyphen (-) and period (.). Maximum number of characters allowed is 64. Domain Name Names can be set individually for a system connected wit ...

  • JVC DM-NC40 - page 32

    32 Item Content Default value Video Frame Rate High Video Frame Size 352  240 JPEG Size 704  480 Compression Format JPEG Disabled Step 6 Detailed Setup (Continued) 6-2 ENCODE P ARAMETERS screen Encoding related settings can be perf ormed on the ENCODE P ARAMETERS screen. Clic k Encode Parameters on the left of the Network Codec screen to disp ...

  • JVC DM-NC40 - page 33

    33 Preparations Camera mode, Monitor mode, T eleconference mode Bitrate (kbps) 54 64 76 91 108 128 160 192 224 256 288 320 352 384 424 460 512 640 768 1000 1200 1500 1700 2000 Actual frame rate H 3 3 3 6 6 6 6 15 15 15 15 15 15 15 30 30 30 30 30 30 30 30 30 30 (fps) M 2 2 2 5 5 5 5 10 10 10 10 10 10 10 15 15 15 15 15 15 15 15 15 15 L 1 1 1 3 3 3 3 ...

  • JVC DM-NC40 - page 34

    34 Step 6 Detailed Setup (Continued) Item Content Default value Edit No. 3 digit r egistration number to the telephone book. [Requir ed] Blank (Setting value: 000 ~ 999) IP Address Enter the IP address to r egister . [Required] Blank Host Name Enter the host name to r egister . (Up to 64 characters) [Requir ed] Blank Port Number Set the port number ...

  • JVC DM-NC40 - page 35

    35 Preparations 6-4 Å @SECURITY SETUP âÊñ Security related setting can be performed on the SECURITY SETUP screen. Click Security Setup on the left of the Network Codec screen to display the SECURITY SETUP screen. Click “ Change ” to display the Change Setting screen. 6-4 SECURITY SETUP screen Change Setting Screen Enter the current user nam ...

  • JVC DM-NC40 - page 36

    36 Step 6 Detailed Setup (Continued) Item Content Default values User name Password For telnet The password r equired for T elnet via network, or T er minal nc40api dm-nc40 software via serial port can be changed. (Fixed) Web Br owser: Account information (user name and password) of admin dm-nc40 Administrator Administrator for access using the Web ...

  • JVC DM-NC40 - page 37

    37 Preparations Alar m input related settings can be perf or med on the ALARM SETUP screen. Click Alarm Setup on the left the Network Codec screen to displa y the ALARM SETUP screen. 6-5 ALARM SETUP screen Select from the pull-down menu. Select the screen Select from the pull-down menu Select one Enter Enter destination IP address and parameters fo ...

  • JVC DM-NC40 - page 38

    38 Step 6 Detailed Setup (Continued) Send T o Item Content Default value IP Address Set the address to send the alarm information. Blank Up to 2 destination addr esses can be specified. Port Set the port number to send the alar m information. 10000 The maximum value is 65535. Data Set the sending data. U p t o 6 4 characters can be entered. data Pr ...

  • JVC DM-NC40 - page 39

    39 Preparations 6-6 OUTPUT PIN SETUP screen The polarity of output pins can be set on the OUTPUT PIN SETUP screen. Click Output Pin Setup on the left of the Network Codec screen to display the OUTPUT PIN SETUP screen. Select the screen Select one for each item Click to confir m settings. Item Content Default value Output Pin 1 ~ 8 High Set high or ...

  • JVC DM-NC40 - page 40

    40 Step 6 Detailed Setup (Continued) 6-7 SERIAL POR T SETUP screen Serial I/O por t related settings can be perf ormed on the SERIAL PORT SETUP screen. Click Serial P or t Setup on the left of the Network Code screen to display the SERIAL POR T SETUP screen. Select the screen Select from the pull-down menu Enter Select one for each item Default val ...

  • JVC DM-NC40 - page 41

    41 Preparations 6-8 CF CARD SETUP Screen CF card recording related settings can be performed on the CF CARD SETUP screen. Clicking CF Card Setup on the left of the Network Codec screen to display the CF CARD SETUP screen. (For details concerning CF cards,  see “ Compatible CF Cards ” , page 6) Select one Displayed Select one Item Content Def ...

  • JVC DM-NC40 - page 42

    42 <Connected par ty> T eleconference mode 1. Set the power to ON. 4. The sent number will flash. Press the PLA Y button. (Connection will not be established unless this button is pressed.) <User> T eleconference mode 1. Set the power to ON. 2. Enter the number of the party to connect (number registered in Edit No. of TELEPHONE BOOK scr ...

  • JVC DM-NC40 - page 43

    43 Operations 5. When connection is established: 6. Press the PinP button 7. Press the ST OP b utton The display will change to a constant display and the video of the connect party will be displayed. The videos of the user and the connected party will be displayed. Connection will be disconnected and the number display and video display will be cl ...

  • JVC DM-NC40 - page 44

    44 <Monitoring side> Monitor mode 1. Set the power to ON. 2. Enter the camera-side number 3. Press the PLA Y button. Camera side Camera side For use as a Monitor system, the DM-NC40 connected to the camera side is set to the Camera mode and the DM-NC40 on the monitoring side is set to the Monitor mode. Operating the Monitor System <Camera ...

  • JVC DM-NC40 - page 45

    45 Operations 6. Press the VIDEO SELECT button VIDEO IN 1 and VIDEO 2 videos will switch every time the button is pressed. 7. Press the ST OP b utton ■ Multicast send/receive signals (  See page 34) <Camera side> 1. Press the “ ST ART ” button in Multicast of the NETWORK SETUP screen. 6. Press the VIDEO SELECT button VIDEO IN 1 and V ...

  • JVC DM-NC40 - page 46

    46 IN 2 100BASE-TX OPEN VIDEO LOOP THRU SERIAL 1 SERVICE CONTROL SERIAL 2 OUT VIDEO IN 1 OPEN LOOP THRU VIDEO RESERVED AC IN R L OUT AUDIO ALARM RS485 RS232C IN Network Network ALC LEVEL Av Pk L H ALC LEVEL Av Pk L H W eb browser can get and displa y JPEG images from camera mode. Refreshing images • Up to 3 JPEG images from the unit can be displa ...

  • JVC DM-NC40 - page 47

    47 Operations 2- 1 Å @ É p É É R ÉìÇà IP É A É h Éå T o play the stream from ISMA Server mode , ISMA-complaint play er is required. There are 2 types of streaming: unicast that is available only for one client, and multicast that is a vailab le f or multiple clients. Operation of play er differs depending on the streaming type . Opera ...

  • JVC DM-NC40 - page 48

    48 DHCP Operation and IP Address Displa y during Star tup DHCP Operation DM-NC40 suppor ts DHCP . If there is DHCP server in same LAN, network settings, i.e. IP address, subnet mask, default gatew a y , are provided from the DHCP server to the unit after po wer on or rebooting. After turning on the power or rebooting, the unit displays IP address. ...

  • JVC DM-NC40 - page 49

    49 Operations Operating the CF car d Operating in the CF CARD SETUP screen In the CF CARD SETUP screen, the CF card can be formatted and image files can be deleted. Login as an administrator to perform settings. (  See “ 3-3 Launching the Browser ” , page 26) Delete When clicking “ Del Files ” , selected image files are deleted. Format W ...

  • JVC DM-NC40 - page 50

    50 Operating the CF car d (Continued) With the CF card reader , you can read image files recorded in a CF card. Remov e the CF card from DM-NC40 and set it to the CF card reader . Caution: Windows cannot read CF cards f ormatted to Ext2. Please f or mat the CF card to F A T32. Image files are recorded in CF cards as f ollows. Y ou can open the file ...

  • JVC DM-NC40 - page 51

    51 Operations Image files can be transf erred from CF card in DM-NC40 to PC b y FTP . Use FTP client installed PC. 1. From the command prompt of PC, type “ ftp ” to login. Default settings of DM-NC40, 10.0.0.1 as IP address, OPERA T OR as user , and dm-nc40 as password, are used in following steps. 2. Ty p e “ ls ” to list image files or di ...

  • JVC DM-NC40 - page 52

    52 3. Use “ cd ” command to change directory , and type “ ls ” to list files in the director y . 4. Use “ get ” command to copy files from CF card to PC. Check View the tr ansferred file using JPEG compatib le viewer . 5. Use “ del ” command to delete files 3 When “ T ransfer complete ” is displayed, the transfer is completed. 1 ...

  • JVC DM-NC40 - page 53

    53 Operations Settings Using the T erminal Software of a PC Connection During the power of the unit is off , connect the SERIAL 2 por t of the unit to the COM por t of the PC with cross cable. Set the Protocol select s witch of Serial P or t 2 to SER VICE. Memo Some PC may restart the unit when PC is turned on with the unit connected to PC via seri ...

  • JVC DM-NC40 - page 54

    54 Command T able (none of the commands require arguments) Command name Operation stat Network infor mation, encoder infor mation and connection information are displayed. set mode Available modes to select ar e displayed. set mode Camera Camera mode is set. set mode Monitor Monitor mode is set. set mode T eleconference T eleconference mode is set. ...

  • JVC DM-NC40 - page 55

    55 Operations Connection Connect the unit and PC using a network. Ping command is available to test connection via network. <Checking method> Example: If the IP address of the unit is 10.0.0.1 (factory set IP address) 1. Start command prompt on the PC. 2. T ype “ ping 10.0.0.1 ” . 3. If setting and connection are correct, responses such a ...

  • JVC DM-NC40 - page 56

    56 About the Alarm Memo • A new alarm within one second from the previous alarm is ignored in camera side. CF card size Number of images Recording time 512M 1440 480 second 256M 720 240 second 128M 350 115 second AL1 AL2 Recording Before set time After set time Before set time After set time AL1 AL2 Recording Before set time After set time f or A ...

  • JVC DM-NC40 - page 57

    57 Operations Alar m notification using API When alarm settings are set to send alarm infor mation to DM-NC40 with API, the monitor mode DM-NC40 that receives the notification works as follows: (For details on settings, see page 37) 1. If the source unit is register ed in the telephone book, the number of source unit flashes on the number display o ...

  • JVC DM-NC40 - page 58

    58 Specifications POWER IN 2 IN 1 HOLD DECODE ENCODE CF PLAY STOP HOLD SELECT P P in 301 90 86 210 (338) External dimensions (unit: mm) Compressions format <Video> Format: MPEG-4 JPEG Frame sizes: MPEG-4 352  240, 176  120 JPEG 704  480 or MPEG-4 320  240, 160  120 JPEG 640  480 Frame rates MPEG4: 30fps max JPEG 3fps max Enc ...

  • JVC DM-NC40 - page 59

    59 ...

  • JVC DM-NC40 - page 60

    DM-NC40 NETWORK CODEC VICTOR COMPANY OF JAPAN, LIMITED Printed in Japan LST0176-001A ® is a registered trademark owned by VICTOR COMP ANY OF JAP AN, L TD . ® is a registered trademark in Japan, the U .S.A., the U .K. and man y other countries. © 2003 VICTOR COMP ANY OF JAP AN, LIMITED ...

Manufacturer JVC Category Network Card

Documents that we receive from a manufacturer of a JVC DM-NC40 can be divided into several groups. They are, among others:
- JVC technical drawings
- DM-NC40 manuals
- JVC product data sheets
- information booklets
- or energy labels JVC DM-NC40
All of them are important, but the most important information from the point of view of use of the device are in the user manual JVC DM-NC40.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals JVC DM-NC40, service manual, brief instructions and user manuals JVC DM-NC40. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product JVC DM-NC40.

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A complete manual for the device JVC DM-NC40, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use JVC DM-NC40 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of JVC DM-NC40.

A complete JVC manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual JVC DM-NC40 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the JVC DM-NC40, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the JVC DM-NC40, that we can find in the current document
3. Tips how to use the basic functions of the device JVC DM-NC40 - which should help us in our first steps of using JVC DM-NC40
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with JVC DM-NC40
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of JVC DM-NC40 in a specific country, if it was not possible to solve the problem on our own.

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