ApproメーカーNVR-2028の使用説明書/サービス説明書
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Before trying to connect or operate this product, please read this manual complete ly INST ALLA TION & OPERA TING MANU AL Wireless Network Video Recorder NVR-2028.
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1 SAFETY PRECA UTIONS A ll the following safety and operated instructions which w ill prevent ha rm or damage to the operator and other per sons should be read be fore the unit is opera ted. W ARNING T o reduce the risk of f ire or electr ic shock , do not expos e this appliance to rain or mois ture.
2 T able Of Content s 1. PRODUCT FEA TURES .................................................................................................. 4 1.1 Pr oduct Intr oduction ................................................................................
3 6. IDE HA RD DISK INST ALLA TION ................................................................................ 53 6.1 Built-in har d disk......................................................................................................... ...
4 1. PRODUCT FEA TURES 1.1 Product Introduction The W IRELESS NVR-202 8 is a storag e m edia of d igital vi deo im age, which uses hard d isk dr ives instead of NAS dev ices to s tore vid eo. This wire less stor age media provid es the u ser with the p ower of rem ote control of the I nternet.
5 * Password protec tion. * Motion detection: user c an select the range and 5 levels of sens itivity of detec tion. * Automatic search of all available LAN cam era within the Ethernet. * Disk -full warning and operation s tatus LEDs. * RS-232 com m unication port.
6 2. DESCRIPTI ON OF THE FRONT/REA R VIEW 2.1 Front V iew Power Display Save Enter Setup PLAY STOP REC FWD REV PAUSE A-rec Search T-rec POWER DISK 1 3 4 5 6 7 8 9 10 11 14 13 12 15 16 17 18 19 20 21 22 2 23 24 Shift Seq.
7 Setup/Sav e button: Press this to enter the setup m enu. Press again to exit the setup m ode. In SD card back up m ode, press to save the desired st ill image to SD c ard. Search button: Press to enter the search m ode to acc ess recor ded video. In the LANCAM SETT ING m ode, use these buttons to s earch f or the desired LAN Cam era in the LAN.
8 A -rec Indicat or: This indicator of the alar m r ecording m ode lights up to indicate the alarm rec ord setting is on. DISK Indicator: The indica tor sho ws the op eration s tatus of the un it’s hard-dis k drives . The gree n light i ndicates th e hard-disk drive is storin g or r etrievin g data.
9 2.2 Rear V iew SD Card RS-232 ALARM DC12V MONIT OR AUDIO ANT I/O 25 26 35 34 27 28 29 30 31 32 33 WAN LAN A NTENNA: This is one standard wireless ac cess , com plies with IEEE 802.1 1g/b. SD CA RD Slot : This is used f or system s oftware updating and archiving/acces sing critic al images .
10 2.3 A LARM In/Out ALARM OUT RECORD IN GROUND DISK FULL NO CONNECTION NO CONNECTION NO CONNECTION NO CONNECTION NO CONNECTION 1 2 3 4 5 6 7 8 9 THIS FIGURE IS LO OKED FROM THE REAR VIEW 1. GND: Ground Contact. 2. ALARM OUT (OUT PUT): This is an alar m output tr igger .
11 3. INST A LLA TION 3.1 Basic Connection Please follow the instr uctions below to connect your WIRELESS NVR-2028 to a LANCAM or a com puter and to choose a m ode f or connections. 3.1.1 Use a RS-232 cable to inst all a wireless setting in a LA NCA M Use a RS-232 cable to c onnect a wireless LANCAM.
12 xi. P ush the Setup button to save the setup data. xii. W hen the words "W AITING" f lash on and of f at the bottom of the screen, if th e scr een goes bla nk, you can pres s the "P ower" b utton to c lose the device and pr ess it again to resum e its operation.
13 3.2 Hard-Disk Driv e Installat ion The WIRELESS NVR-2 028 is equ ipped with t wo com partments of hard disk drive. T he unit us uall y comes with one h ard-dis k driv e installe d in the com partment HD1, which is default-c onfigur ed as a master .
14 3.3 Sy stem Information Y ou can displa y system settings inform ation as s hown on T able 3.3 A below at any time by press ing the Display button . In the pla yback m ode, the recor ded vi deo infor mation is displa yed. In t he live or recording m ode, th e Manual Rec ordin g inform ation is displa yed.
15 3.4 Up dating System Sof tware If the s ystem software of the NVR needs t o be u pgraded , please t ake the f ollo wing ste ps to saf ely update it. Important: Before carrying out t he follow ing pro cedures, please ensure t he SD card is w orking and the file o f system software is intact 1.
16 4. BA SIC OPERA TIONS This s ection shows you how to operate and manage the NVR when it gets in the way . 4.1 Configuring Recording Settings Recording Time settings (Image R esolution and Image Qualit y Setting) Recording tim e will var y de pending on th e im age size, qualit y , and the capacit y of the har d-disk drives.
17 4.2 Recording Operations This section details the way to record video into hard-disk drives. Bef ore com m encing with the recor ding function, pleas e configure the r ecording setting pr operly according to y our needs.
18 NOTE: Y ou can pro ceed to start the s cheduled recording from t he cur rent time if it is in t he scheduled interlude as soon as setting is completed, and come out from menu to st art recording.
19 MA IN ME NU LA N CA MERA RECORD / BA NDWIDTH CLOCK / TIM ER / SEQ AL AR M COMM UNICA TION DISK SYST EM GOTO CLOCK/TIMER/SEQ P AGE CLOCK / TIM ER / SEQ CLOCK SETT ING : SET T I M E R : S E T SEQUENC.
20 4.2.3 A larm Recordi ng T ake the f ollowing ste ps to activat e the pr ogramm ed alarm rec ording. For ALM OPER A TION , ALM DURA TION , MA X RE C RA TE , and PRE- AL ARM settings, please r efer t o sectio n 5.4 for mor e details. (1) Press the Setup button to enter the MA IN MEN U .
21 4.2.4 Mot ion Detection Tak e the steps detailed below to activate a pr ogram med m otion detection. For MOTI ON SETT ING, as well as its two distinct func tions of MOT ION ENABLE and SENSIT IVIT Y / REGION, please ref er to section 5.4 f or fur ther details.
22 SENSITIVIT Y / REGION SET TING SENSITIVIT Y HIGHEST REGION ( 30, 25 ) – ( 90, 70 ) OK CA NCEL MOTIO N S ETTI NG MOT ION ENA BLE : OFF ON SET LA NCA M P AGE SET M OT ION ENABLE MOTIO N S ETTI NG M.
23 4.2.5 External ly triggered Recording By connecting the RECORD IN of ALARM I/O on the rear panel of the NVR, y ou can activate/deactivate the rec ording function of a NVR. Please ref er to section 2.3 f or m ore details. NOTE: The status of reco rding operat ions wh en an alarm takes place are shown in the diagrams below .
24 4.3 Play back Operations This s ection sho ws you ho w to operate the fast, s low , and sing le-pictur e pla yback func tions, and d etails how the unit is to playbac k a file in a d ifferent operati on status. Pleas e refer to the follo wing paragrap hs specif ying the r eleva nt de tails.
25 4.3.2 Slow Forw ard/Reverse There ar e 5 speeds available f or a slow play back : 1/2, 1/4, 1/8, 1/16, 1/32. W hile play ing bac k r ecorded video at the rec orded speed: (1) Press th e P AUSE button for the s low play bac k m ode.
26 4.4 Search Operations This section shows you how to access rec orded video. 4.4.1 Full List Search T ake the f ollowing steps to proceed with the full-lis t search f unction. (1) Press th e Search button to enter the s earch m ode. (2) Sel ect the FULL LIST and press the Ent er button to acces s the complete l ist of rec orded video.
27 4.4.3 TIME Search T ake the f ollowing steps to proceed with the tim e-list searc h function. (1) Press th e Search button to enter the s earch m ode. (2) Sele ct the TIM E SEARCH and press the Enter button to ac cess the tim e-s etting page. (3) Set the tim e period you wi sh to sear ch for the r ecorded video.
28 (5) There ar e 5 l evels of rec ording ra nge m odes to choose f rom : 1 Hour , 10 M inutes, 1 Minute, 10 Seconds and 1 Second. Select the specific field of your requirem ent and press the Enter button to enter t he next level.
29 4.5 Backup Operations 4.5.1 Mobi le Rack HD Backup Operati ons There ar e three way s available to duplicate the rec orded video fr om HD 1 (F ixed HD) to HD 2 (Mobile Rack HD). Please take the f ollowing steps to proceed. (1) Set HD 2 to BACKUP first.
30 SELECT : Duplic ate a particular recor ded video from HD1 to HD2. St ay on the DISK SETT ING page. Us e the “ ^ ” and “v” buttons , and , to highli ght B ACKUP , select SELECT an d the n press the En ter button to list all the r ecorded video.
31 4.5.2 Secure Digi t al Card (SD Card) Backup O perations The SD car d slot of the rear unit has three func tions as shown below: 1. A rchive Sing le image Clips into SD Card Please take the f ollowing steps to archive a cr itical im age in a SD card.
32 4.6 Key Lock Operation The Ke y lock oper ation prot ects the unit aga inst unaut hori zed use b y disabling the entire fr ont panel controls. Sim ultaneousl y press thes e t wo “<” and “&.
33 5. M ENU SETUP There ar e 6 categories f or operation setting in the s etup menu s y stem as shown below . The f ollowing sections will instr uct you step by step to conf igure the operation setting and s tate each menu’s purpose and options. Press the Setup button to access the setup m enu.
34 5.1 LAN CA MERA SE TTING This page allows you can select your desired LAN Cam era, whose im ages you can save in the NVR hard disk . The login nam e and password m ust be entered corr ectly . IP / ACCOUNT : Set the des ired c hannel, entering its num ber (1 to 8) in the given spac e.
35 MA IN ME NU L A N C A M E R A RECORD / BA NDWIDTH CLOCK / TIM ER / SEQ AL AR M COMM UNICA TION DISK SYST EM LA NCA M SET TING LA NCA M SET TING IP / ACCOUNT : SET IMAGE : SET A UDIO ENABLE : OFF MO.
36 IMAGE: (1) Press the Setu p button to enter the MA IN ME NU . (2) Select the item term ed " LA N CAMERA " and press the En ter button to enter the LA NCA M SET TING page. (3) Select the item term ed " IMAGE " and push the Enter button to enter the IM AGE SE TTING page.
37 A UDIO ENA BLE: (1) Press the Setu p button to enter the MA IN ME NU . (2) Select the item term ed " LA N CAMERA " and press the En ter button to enter the LA NCA M SET TING page. (3) Select the item term ed " A UDIO ENABLE " and push the Ent er button to selec t the A UDIO ENA BLE .
38 MOTIO N S ETTI NG MOT ION ENA BLE : OFF ON SET LA NCA M P AGE SET M OT ION ENABLE MOTIO N S ETTI NG MOTI ON E NA BL E SENSITIVIT Y/REGION : CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 LA NCA M P AGE SET MOT IO.
39 MOTI ON: Take the s teps d etailed belo w to ac tivate a program m ed motion de tection. For MOTIO N SE TTING , as well as its two distinct functions of MOTI ON E NA BL E and SENSITI VITY / REG ION . (1) Press the Setu p button to enter the MA IN ME NU .
40 5.2 REC SE TTING This page allows you to set the re cording r ate and rec ording qualit y , and e nables you to cont inue recor ding when the disk is full. MAX REC RA TE: This option is used for limiting the num ber of pictures recorded ever y second into a s torage disk .
41 5.3 CLOCK / TIMER / SEQ SETTING The NVR-2028 pr ovides a weekly table, consisti ng of two periods of time eac h day for scheduled recording. T his option allows you to set the time each day that the NVR will start and stop recording. CLOCK SETT ING: This entry allows users to set the system tim e.
42 5.4 A LAR M SETTING This m enu allows user s to program the conf igurat ion of alar m r ecording only when an alarm input is activated. The device will rec ord as long as the alar m input is activated. A LM OPERA T ION: This option deter mines whether to activate/deactivate the alarm recor ding when it detects an alarm input.
43 5.5 COMMUNICA TION This optio n allo ws you to configure th e status of the RS-232 c omm unication po rt when conn ected to an external device, a nd the wir eless com municatio ns settings . (Please r efer to the APPENDIX 2 and N etwork Function f or m ore details) WIRELESS: This entr y allows users to set the wireless setting.
44 CHA NNEL: Specify the bandwidth that the wi reless radio operates in. T he NVR and wireless LANCAMs ar e associated with operations in one of the frequenc y channels. NOTE: The standar d norms of channel number s and frequency ranges differ from countr y to country .
45 LA NCA M SETUP: This option is used to sel ects either RS232 or WL A N . If yo u wish t o tran sfer i nfor mati on to th e wire les s LANCAM via the NVR, y ou m ust select the LA NCAM SETUP option to conf igure the wireless or wired (RS-232) f unction installation.
46 ST A TUS: Show W AN leased IP table. CONNECT T YPE: This enables you to choose y our connection style. AU T O : Dy nam ic IP from DHCP server, no dialing necessary. MANUA L: Static IP, no dialing needed. Enter the W ide Area Network (W AN) IP Address , Subnet Mask , ISP Gatewa y Ad dress , and DNS values .
47 COMM SET TING WIRELESS W AN SETTING N E T I P NET DHCP LEA SED IP T A BLE IP POOL RANGE SET CO MM ID RS232 MAIN P AGE SET IP POOL RANGE IP POOL RA NGE SETT ING 192.168. 1. 1 ― 192.168. 1.254 SET IP POOL RANGE NET IP: This option is used to conf igure the Ethernet com m unication settings .
48 CO MM ID: Comm unication ID f or RS232 com m unication. Af ter the NVR receives a RS232 com mand, it c heck s if the <Dest ID> within the code is the sam e as the COMM ID, in which c ase the particular com mand c an be accept.
49 5.6 DISK SETTING REFORMA T : This option allo ws you to cl ear out al l the data in the hard- disk dr ive. Y ou will be re quired to enter the pr e-set password before proc eeding with clearing out the data. Enter the standard password “9999” if you don’t set y our individual password.
50 5.7 SYSTEM SETTING This page is us ed for acc essing the h istory of the operation status , setting th e password, resu ming f actory default, and determ ining the m enu display background. OPERA TION LOG: This log s hows the history of the operation status in chr onological order .
51 MENU BACKGND: There ar e 3 levels of bac kground c olor transpar ency, y ou c an choose fr om : level 1 is totally transparent, level 3 is opaque, and level 2 is between level 1 and 3. The back ground c olor is used in setup m enu and search f unction.
52 SD SETUP: The NVR of fers a quic k s etup method by using a SD card. If the us er wants to set up m any a number of the sam e devices with the same settings , he can save the whole settings to a SD c ard, then transfer to another NVR. SA VE: Saves the whole setting to the SD card.
53 6. IDE Hard Disk Inst allation Usually , th e unit c omes with one hard- disk drive ins talled in com partment HD 1, which is default-c onfigure d as a master . The j um per settings configur ation of the installe d hard- disk drives f or the un it and com patible drives which c an be us ed with this un it are listed in the table b elow .
54 6. 6. Secure the driver in the rack using two mounting s crews in both the side-m ounting holes. Please don’t tighten the screws too m uch, otherwise that may damage the driver . 7. 8. 7. Screw the rack in to the de vice, screwi ng in all the four s crews.
55 2. Pull the active-handle outward to rem ove the carr ier body aw ay from the mobile r ack 3. Slide the top cover back ward and rem ove. 4. Setting the jum per of your hard disk driver .
56 7. Place the top cover bac k to the c arrier body by s liding forward to secure. 8. Slide the carrier body back in the m obile rac k. 9. Push the carr ier body further into the mobile r ack until fully inserted. 10. Push the active-handle inward. 11.
57 7. O.S.D Message No. O.S.D Message Meanings 1 NO DISK No hard-disk detected after power activated 2 B A TTER Y LO W Suggest change the battery and reset the s y stem tim e 3 LOADING Sy stem Boot up.
58 8. Index T able The f ollowing description details how the NVR-2028 m anages an index table issue. The NVR will generate a tim e index table indicating re c orded data is kept in a particular HDD. This allows to individually selec ting recorded data to be displayed via the alarm list searc h and full list search.
59 9. Wireless Networ k Configuration 9.1 Configure Y our NVR-2028 Network Settings Upon wir eless net work hardware con nection, you ne ed to ac tivate th e wirel ess net work f unction and configur e the proper network s ettings of the NVR.
60 Use the “ ^ ” and “v” buttons , and , to highlight the NET IP . Pres s the Enter button to enter the NET IP page Set the IP , MASK and GA T EWA Y . Then press the Ent er button to proceed. The f ollowing is a sam ple setting. IP: 192.168.
61 9.2 TCP/IP Communication Sof tware Follow the instructions below to install the TCP/IP comm unication progr am into your com puter . Click the Star t Menu fr om your com puter , and point to the Settings/Control p anel. Click the NETWORK ic on twice to enter the NETW ORK setting windows.
62 9.3 TCP/IP inst allation During the installation, y ou will be requested to inser t the windows 98 CD ROM. After installation, the PC will be restarted. 9.4 TCP/IP Configuration setting C lick Star t Settings Control Pa nel Network .
63 If you are us ing a DHCP server , please s elect Obtain an IP add ress auto matically . A ny assigned IP addres s for the connected NVRs mus t be in the sam e class t ype as the server . If there is no DHCP server , please s elect spec ify an IP addres s and type in the IP address of y our PC.
64 If you receive a response as in the s ample s creen below , the connection has n’t been succe ssfully established. Please re- check all the hardware and software installation by repeating steps 1 to 5. If you still can’t establish the c onnection after rechec king, pleas e contact your dealer .
65 10. Netw ork Viewer and Image View er This section provides instructions for ins talling and using the Network Viewer and Image Viewer , which are included with the NVR. The program s can be operated by a selected PC equipped with the following requirem ents.
66 RJ-45 PIN c onfiguration for Etherne t PIN NO. PIN A ssignment 1. TX + 2. TX - 3. RX + 4. Not Connected 5. Not Connected 6. RX - 7. Not Connected 8.
67 10.1.3 View the NVR vid eo from a remote PC Once the Network View er is ex ecuted a Login inset will appear . Y ou m ust enter the default Us er Nam e: admin , and password: 9999 into the respective entries and clic k OK to log into the applic ation.
68 Functions Description Dev ice List Displays the entir e list of connect ed devic es if and as necessar y . T his list includes a lot of inform ation about all the connected devic es. NVR Number As signs a display location when y ou have m ultiple devices connec ted.
69 Function Buttons Description Play back func tion bar . Pla y- Cl ick to a r ecorded video f rom the PLA Y LIST . Paus e- Click to freeze the im age. Stop- Click to stop p laying bac k the recorded video or cease recor ding. REC- Cl ick to activate the recording function of the device.
70 This allows you to se arch a r ecorde d video kept in the HDD of the device. Enter the MONTH/DA Y/YEAR HOU R: MINUT E you wish to search and c lick GO to proceed. Every NVR has to o wn an IP address and a title to be id entif ied on th e net work. T his space displays the title and the IP address of the NVR.
71 10.1.4 Change th e PC SYSTEM SET TING Follow the instructions below to reconfigure the System Setup and the Alarm Setup: A. B. Set the System Setup 1. W hen in the Wireless NVR Netw ork Viewer Console, c lick the button to enter the PC System Setup page.
72 10.1.5 Change the Reco rd & Timer Propert ies Via the Network Follo w the instruct ions bel ow to rec onfigur e the recor d and sc hedule re cording s ettings via the net work.
73 Set the regu lar record sett ings 1. When in the s ingle –de vice m ode, click to enter the NVR S ETUP page. (See the sam ple sc reen in A above) 2.
74 10.1.6 A rchive Images t o the Comput er Play back im ages can be stor ed in a local PC in the JPEG f orm at. Follow the instruc tions below to save the viewed images to y our PC. 1. Click an entry from the Recorded video list box and click the button to review a recorded video.
75 10.2 The Image Viewer The Wire less NVR is equipped with a di gital watermar k. It's a check software whic h protects archived im ages and i nform s you whether the images have been m odified or not. Follo w the instructions below to open an archived im age fr om an SD c ard or a HDD.
76 1 1 . Mi crosoft Internet Explorer If you wish to connec t your c omputer with a WIR ELESS NVR , your PC needs to h ave a wireles s card. This section provides instruct ions for us ing the Microsoft Internet Ex plorer , which are inc luded with the NVR.
77 Function Buttons Description Click to stop pla ying back the r ecorded v ideo or to cease rec ording. Click to a recorded video f rom the PLA Y LIST . Click to freeze the image. Click to activate the recor ding function of the device. Click to leave the home page of the NVR.
78 Recorded v ideo list box . T his box allo ws you to acces s all rec orded video, which are st ored in t he HDD of the c onnected d evices. T o revie w a recorded video, s impl y select a n ent ry from the list a nd c lick the button. PgUp/PgDn : Ena bles you to scr oll up a nd down th e list.
79 1 1.2 Change LA NCA M SETUP Setting Please follow the steps given below to change the LANCAM setting thr ough the network as and when necessary . (1) Click the button on the home page to enter the setup m ode. (2) At the top of the page are item ized CAMs 1 to 8, each of which is c onnected to the corres ponding cam era.
80 1 1.3 Change Record / Alarm Set ting Please follow the steps given below to change the RECORD / ALARM s etting through the network as and when necessar y . 1. Click the button on the home page to enter the setup m ode. 2. Click the connec tion on the setting page to enter the RECORD / ALARM setting page.
81 1 1.4 Change Schedule Setting Please follow the steps below to change the Timer Record s etting through the network as and when necessar y . 1. Click the button on the home page to enter the setup m ode. 2. Click the connection on the setting page to enter the Timer Recor d setting page.
82 1 1 .5 Change Wireless Sett ing Please follow the steps below to change the Timer Record s etting through the network as and when necessar y . 1. Click the button on the home page to enter the setup m ode. 2. Click the connection on the setting page to enter the W IRELESS SETT ING page.
83 12. SPECIFICA T IONS Mo del Number WIRELESS NVR-2028 Lancam Connection Lancam x 8 Image System NTSC P AL Image Res olution 720 x 480 pixels 352 x 240 pixels 720 x 576 pixels 352 x 288 pixels Video .
84 A PPENDI X 1. –SCA NIP Follow the instructi ons belo w to use the SC ANIP software to search the N VR-202 8 devices from a local location. 1. Click the button to disco ver the co nnection of the al l-type device in the L AN. The Device List will display the connection of the all-type device.
85 5. Manual insertion of “Free IP Address ”. If you have clicked “ No”, please m anually ty pe in inser tions as requir ed in the “Free IP Address” , “Gat eway Address ”, and “ NET Mask ”.
86 9. T o change any IP address, ty pe in the new address in the “ Free IP Address” box on the right as well as the device “Login Nam e” and “ Password” in their r espective blank s at bottom left, then click “UPDA TE” , and the new address will autom atically be sent to the device.
87 A PPENDIX 2. –RS-232 Protocol 1. Setup 1.1 Us e a Null Modem c able (the standard RS-232 9 Pin Cable with Pin 2 and Pin 3 exchange d, see pin c onfigur ation chart be low f or details) to c onnect the CO M 1 on the rear panel of the NVR-2028 to a PC.
88 < The v alue of a specif ic front panel key > KEY_PLA Y 1 KEY_STOP 3 K E Y _ P A U S E 4 KEY_POW ER 5 KEY_REC 6 KEY_SETUP 7 KEY_ENTER 8 KEY_SEARCH 10 KEY_DISPLA Y 1 1 KEY_UP 13 KEY_DOW N 14 K.
89 3.2 Request Time (Second Category=0x02) PC Request: <0x41>, <0x01>, <0x 20>, <0x02>, <0x02>, <0x 00>, <0x4f> NVR Response: <0x41>, <0x 20>, <.
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Appro NVR-2028をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはAppro NVR-2028の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Appro NVR-2028の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Appro NVR-2028で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Appro NVR-2028を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はAppro NVR-2028の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Appro NVR-2028に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちAppro NVR-2028デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。