Instruction/ maintenance manual of the product X31 3M
Go to page of 93
Thank you for purchasing this product. This manual is intended to explain only the network function. For proper use of this product, please refer to this manual and the other manuals for this product. Features This projector has the network function that brings you the following main features.
2 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Contents &RQWHQWV 1. Connection to the Network ...................................................... 4 6VWHPUHTXLUHPHQWV ......
3 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Contents 3. W eb Control ............................................................................ 45 /RJRQ ........................
4 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1. Connection to the network 1.1 System r equirements &RQQHFWLRQWRWKHQHWZRUN 7KHIROORZLQJHTXLSPHQWLVUHTXLUHGWRFRQQHFWWKHSURMHFWRUWRRXUFRPSXWHU through the network.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1. Connection to the network 1.1 System requirements (continued) 6HWRXUFRPSXWHU ¶VUHV.
6 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.2 Installing the “Liv eViewer” 7KH³/LYH9LHZHU´VRIWZDUHQHHGVWREHLQVWDOOHGRQDOOWKHFRPSXWHUVWRFRQQHFW to the projector through a network.
7 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7KH&?3URJUDP)LOHV?3URMHFWRU 7 RROV?/LYH9LHZHUIROGHUZLOOEHFUHDWHGDQG the program will be installed into that folder .
8 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.3 Pr ocess to connect the netw or k %HIRUHFRQQHFWLQJRXUFRPSXWHUDQGSURMHFWRUYLDDQHWZRUNPDNHVXUHWKDWWKH LAN port is selected as the input source on the projector .
9 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.3.2 Star ting the “Liv eV iewer” 6WDUWWKH³/LYH9LHZHU´LQRXUFRPSXWHU WDNLQJ.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.4 Selecting the netw or k connection mode ,IRXVHOHFWWKHZLUHOHVV/$1WKHZLUHOHVV/$1DGDSWHUVLQRXUFRPSXWHU are shown in the list.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.4 Selecting the network connection mode (continued) ,IRXFOLFNWKH [Y es] .
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG ,IWKH'+&3LVVHWRQLQWKHSURMHFWRU WKHQHWZRUNFRQQHF.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Are you sure you want to connect the selected projector? The message is appeared when the wireless adapter you selected is already used for another network connection.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.5 Selecting the netw or k connection method There are some options to connect to the network.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.5.1 Passcode connection 7KHXQLTXH3DVVFRGHVVWHPEULQJVRXYHUTXLFNDQGVLPSOHFRQQHFWLRQWRWKH network.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7 XUQRQWKHSURMHFWRU DQGPDNHVXUHWKDWWKHSURMHFWRULPDJH.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG :KHQHQWHULQJWKH3DVVFRGHFDSLWDODQGVPDOOOHWWHUVDUHQRW distinguished.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG :LQGRZVSUHYHQWHGQHWZRUNFRQ¿JXUDWLRQ changes.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG ,IRXZDQWWRFKDQJHWKH1HWZRUN FRQ¿JXUDWLRQWRDGGFOLFNWKH [Change] . A GLDORJIRUFKDQJLQJWKH1HWZRUNFRQ¿JXUDWLRQ as shown to the right will be displayed.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG The message is appeared when the wireless adapter you selected is already used for another network connection.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG $IWHUHQWHULQJWKH3DVVFRGH 17 RXDUHUHTXLUHGWRHQWHUWKHQ.
22 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Wired LAN 6XEQHWPDVN *1 (example) &OLFNWKH [Connect] . 3) The network connection will be established.
23 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 0DQXDOFRQÀJXU D WLRQ There are 3 options for the manual FRQ¿JXUDWLRQ ,IRXVHOHFW&RQ¿JXUH1HWZRUN6HWWLQJV 0DQXDOO SURFHHGWRLWHP &RQ¿JXULQJWKH network settings manually .
24 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7KHQXPEHURIWKHKLVWRUUHFRUGLVPD[LPXPIRUHDFKQHWZRUN DGDSWHU :KHQWKH WKGDWDLVVWRUHGWKHROGHVWUHFRUGDPRQJWKHZLOOEH overwritten.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG All setting for the network connection between the projector and computer is input manually . 6HOHFWWKH >&RQ¿JXUH1HWZRUN6HWWLQJV Manually] .
26 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Wireless LAN 66,':LUHOHVV$FFHVV3RLQWH[DPSOH (QFUSWLRQ:(3ELWH[DPSOH Encryption key *2 : ********** (example) 0RGH,1)5$6758&785( &OLFNWKH [Next] .
27 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Wired LAN ,3DGGUHVVH[DPSOH 6XEQHWPDVNH[DPSOH &OLFNWKH [Connect] .
28 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG &RQ¿JXULQJWKHQHWZRUNVHWWLQJVPDQXDOOFRQWLQXHG 1. Connection to the network This dialog will be displayed when you QHHGWRDGGD1HWZRUNFRQ¿JXUDWLRQRQ your computer to connect to the projector .
29 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG &RQ¿JXULQJWKHQHWZRUNVHWWLQJVPDQXDOOFRQWLQXHG 1.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG &RQÀU PLQJWKHFRQQHFWLRQWRRXUGHVWLQD WLRQ When the network connection is established, WKH³&RQQHFWLRQWR3URMHFWRUVXFFHVVIXO´VFUHHQ is displayed.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG &RQ¿UPLQJWKHFRQQHFWLRQWRRXUGHVWLQDWLRQFRQWLQXHG The proje.
32 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG When the connection to the projector could not EHHVWDEOLVKHGDQHUURUPHVVDJH³1HWZR.
33 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3U RÀOHGD WD The network setting to connect the projector and computer can be stored a.
34 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG ,IQHFHVVDU WKHSUR¿OHGDWDFDQEHHGLWHGRQ WKH0DQXDO&RQ¿JXUDWLRQVFUHHQ 23 ) 6HOHFW the >3UR¿OH@ , and select one of the data listed in the window .
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1.9.4 R e gistering My Connection 3UR¿OHGDWDFRQWLQXHG 2QHRIWKHSU.
36 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3UR¿OHGDWDFRQWLQXHG ,IWKHUHDUHDOUHDGSUR¿OHGDWD.
37 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG . $ 3 2.1 Using the “Liv eViewer” When you get the connection between your projector and computer .
38 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 2. Network Pr esentation 2.1 Using the “LiveV iewer” (continued) $ Hold button 7KHLPDJHRQVFUHHQLVWHPSRUDOOIUR]HQ The last image before the button is clicked is remained on screen.
39 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 2.1.2 Displaying the status ,QGLFDWRU The indicator shows the following status.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 2.1.3 Switching the display mode 7KH³/LYH9LHZHU´KDVWKH6LQJOH3&PRGHDQG0XOWL3&PRGH 7KHPRGHVFDQEH switched on the main menu.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 2.1.4 Option menu &OLFNLQJWKH2SWLRQEXWWRQGLVSODVWKHRSWLRQPHQXRQVFUH.
42 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG $ Presenter Mode ,QWKH6LQJOH3&PRGHWKHSURMHFWRUFDQEHRFFXSLHGERQ.
43 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 2. Network Pr esentation 2.2 Star ting the Networ k Pr esentation 7KLVFKDSWHUH[SODLQVWKH1HWZRUN3UHVHQWDWLRQIHDWXUHZLWKZKLFKRXFDQSURMHFW computer images transmitted through a network.
44 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 2. Network Pr esentation 2.2 Starting the Network Presentation (continued) 2.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3. W eb Control < RXFDQDGMXVWRUFRQWUROWKHSURMHFWRUYLDDQHWZRUNIURPDZHEEURZVHURQD computer that is connected to the same network.
46 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3. W eb Control 3.1 Logon 7 RXVHWKH:HE&RQWUROIXQFWLRQRXQHHGWRORJRQZLWKRXUXVHUQDPHDQG password.
47 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG %HORZDUHWKHIDFWRUGHIDXOWVHWWLQJVIRUXVHUQDPHDQGSDVVZRUG User name Password Administrator <blank> If you logon successfully , the screen below will be displayed.
48 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.2 Netw or k Inf or ma tion 'LVSODVWKHSURMHFWRU ¶VFXUUHQWQHWZRUNFRQ¿JXUDWLRQ.
49 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.3 Netw or k Settings 'LVSODVDQGFRQ¿JXUHVQHWZRUNVHWWLQJV Item Description ,3&.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.4 P or t Settings 'LVSODVDQGFRQ¿JXUHVFRPPXQLFDWLRQSRUWVHWWLQJV Item Desc.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Item Description SNMP Port &RQ¿JXUHVWKH6103SRUW Port open &OLFNWKH [Ena.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.5 Mail Settings 'LVSODVDQGFRQ¿JXUHVHPDLODGGUHVVLQJVHWWLQJV Item Descr.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.6 Aler t Settings 'LVSODVDQGFRQ¿JXUHVIDLOXUHDOHUWVHWWLQJV Item Description Cover Error 7KHODPSFRYHUKDVQRWEHHQSURSHUO¿[HG Fan Error The cooling fan is not operating.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG The Alert Items are shown below . Item Description Alarm Time &RQ¿JXUHVWKHWLPHWRDOHUW 2QO Lamp Time Alarm and Filter Time Alarm .
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.7 Sc hedule Settings 'LVSODVDQGFRQ¿JXUHVVFKHGXOHVHWWLQJV Item Description D.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.7 Schedule Settings (Continued) The schedule settings are shown below . Item Description Schedule &OLFNWKH [Enable] check box to enable the schedule.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG $IWHUWKHSURMHFWRULVPRYHGFKHFNWKHGDWHDQGWLPHVHWIRUWKH SURMHFWRUEHIRUHFRQ¿JXULQJWKHVFKHGXOHV6WURQJVKRFNPDPDNHWKHGDWH and time settings ( 58 ) get out of tune.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.8 Da te/Time Settings 'LVSODVDQGFRQ¿JXUHVWKHGDWHDQGWLPHVHWWLQJV Item Description Current Date &RQ¿JXUHVWKHFXUUHQWGDWHLQ year/month/day format.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Item Description Time difference &RQ¿JXUHVWKHWLPHGLIIHUHQFH6HWWKHVDPHWLPHGLI IHUHQFH as the one set on your computer .
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.9 Security Settings 'LVSODVDQGFRQ¿JXUHVSDVVZRUGVDQGRWKHUVHFXULWVHWWLQ.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.10 Pr ojector Control &RQWUROVWKHSURMHFWRU Item Description MAIN POWER 7 XUQVWK.
62 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.10 Projector Control (Continued) Item Description PICTURE BRIGHTNESS Adjusts the brightness setting.
63 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.10 Projector Control (Continued) Item Description SETUP AUTO KEYST ONE EXECUTE 3HUIRUPVWKHDXWRPDWLFNHVWRQHGLVWRUWLRQVHWWLQJ KEYSTONE V Adjusts the vertical keystone distortion setting.
64 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.10 Projector Control (Continued) 3. W eb Control Item Description AUDIO VOLUME Adjusts the volume setting.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Item Description OPTION AUTO SEARCH 7 XUQVWKHDXWRPDWLFVLJQDOVHDUFKIXQFWLRQRQR.
66 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG The items shown in the table below can be performed using the Projector Control menu. &OLFNWKH [QUIT PRESENTER MODE] . Item Description SERVICE QUIT PRESENTER MODE ([LWIURPWKH3UHVHQWHUPRGH 3.
67 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.11 R emote Control < RXFDQXVHRXU:HEEURZVHUWRFRQWUROWKH projector .
68 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.12 Pr ojector Sta tus 'LVSODVDQGFRQ¿JXUHVWKHFXUUHQWSURMHFWRUVWDWXV Item D.
69 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 3.13 Netw or k R estar t 5HVWDUWVWKHSURMHFWRU ¶VQHWZRUNFRQQHFWLRQ Item Description Res.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 4. My Image Function The projector can display still images that are transferred via the network.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 4. My Image Function 4. My Image Function (Continued) &RQ¿JXUHWKHIROORZLQJLWHPVIURPDZHEEURZVHUZKHQ0<,0$*(IXQFWLRQLV used.
72 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 1 4 3 2 5. Messenger Function The projector can display the text data transferred via the network on the screen.
73 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 5. Messenger Function 5. Messenger Function (Continued) &RQ¿JXUHWKHIROORZLQJLWHPVIURPDZHEEURZVHUZKHQ0HVVHQJHUIXQFWLRQLV used.
74 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 6. Network Bridge Function 7KLVSURMHFWRULVHTXLSSHGZLWKWKH1(7:25.%5,'*(IXQFWLRQWRSHUIRUP mutual conversion of a network protocol and a serial interface.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 6. Network Bridge Function 6.2 Communica tion setup 6.3 Communica tion por t 8VLQJWKH&20081,&$ 7,217<3(PHQXVHOHFWWKH1(7:25.
76 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 6.4 T r ansmission method 6.4.1 HALF-DUPLEX The transmission method can be selected from the menus, only when the 1(7:25.
77 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG :LWKXVLQJWKH+$/)'83/(;PHWKRGWKHSURMHFWRUFDQVHQGRXW .
78 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7. Other Functions 7.1 E-mail Aler ts 7KHSURMHFWRUFDQDXWRPDWLFDOOVHQGDQDOHUWPHVVD.
79 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7.1 E-mail Alerts (Continued) 7. Other Functions &OLFNWKH [Alert Settings] RQWKHPDLQPHQXWRFRQ¿JXUHWKH(PDLO $OHUWV settings.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7.2 Pr ojector Management using SNMP 7KH61036LPSOH1HWZRUN0DQDJHPHQW3URWRFRO.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7.3 Ev ent Sc heduling 7KHVFKHGXOLQJIXQFWLRQHQDEOHVWRVHWXSVFKHGXOHGHYHQWVL.
82 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG ,QVWDQGEPRGHWKH POWER LQGLFDWRUZLOOÀDVKJUHHQIRUDSSUR[.
83 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7.3 Event Scheduling(Continued) Date/Time Settings ( 58 ) 7KHEDWWHUIRUWKHEXLOW.
84 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7.4 Command Contr ol via the Netw or k < RXFDQFRQ¿JXUHDQGFRQWUROWKHSURMHFWRUYLDWKHQHWZRUNXVLQJ56& commands.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 7.4 Command Control via the Network (Continued) :KHQWKHDXWKHQWLFDWLRQVHWWLQJLVHQDEOHGWKHIROORZLQJVHWWLQJVDUHUHTXLUHG ( 60 ) &OLFNWKH [Security Settings] on the main menu.
86 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Command F or mat &RPPDQGIRUPDWVGLIIHUDPRQJWKHGLI IHUHQWFRPPXQLFDWLRQSRUWV .
87 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG R eply Data for mat 7KHFRQQHFWLRQ,'WKHGDWDLVVDPHDVWKHFRQQHFWLRQ,'GDWDRQWKHVHQGLQJ GDWDIRUPDWLVDWWDFKHGWRWKH56&FRPPDQGVUHSOGDWD $&.
88 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG Automa tic Connection Break 7KH7&3 FRQQHFWLRQZLOOEHDXWRPDWLFDOOGLVFRQQHFWHGDI.
89 3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 8. T roubleshooting 8. T roubleshooting (continued on next page) 2SHUDWRUV*XLGH Problem Likely Cause Things to Check Reference Page Number 1RLPDJH The projector is not turned on.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 8. T roubleshooting 8. Troubleshooting (Continued) (continued on next page) Problem Likely Cause T.
3M™ Digital Projector X31/X36/X46 0 $OO5LJKWV5HVHUYHG 8. Troubleshooting (Continued) 8. T roubleshooting 2SHUDWRUV*XLGH Problem Likely Cause.
.
3M Austin Center Building A147-5N-01 6801 River Place Blvd. Austin, TX 78726-9000 3M Canada P .O. Box 5757 London, Ontario N6A 4T1 3M Mexico, S.A. de C.
An important point after buying a device 3M X31 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3M X31 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data 3M X31 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3M X31 you will learn all the available features of the product, as well as information on its operation. The information that you get 3M X31 will certainly help you make a decision on the purchase.
If you already are a holder of 3M X31, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3M X31.
However, one of the most important roles played by the user manual is to help in solving problems with 3M X31. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3M X31 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center