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Un buon manuale d’uso
Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Virgin Mobile 2200. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Virgin Mobile 2200 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.
Che cosa è il manuale d’uso?
La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Virgin Mobile 2200 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.
Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.
Quindi cosa dovrebbe contenere il manuale perfetto?
Innanzitutto, il manuale d’uso Virgin Mobile 2200 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Virgin Mobile 2200
- nome del fabbricante e anno di fabbricazione Virgin Mobile 2200
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Virgin Mobile 2200
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti
Perché non leggiamo i manuali d’uso?
Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Virgin Mobile 2200 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Virgin Mobile 2200 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Virgin Mobile in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Virgin Mobile 2200, come nel caso della versione cartacea.
Perché leggere il manuale d’uso?
Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Virgin Mobile 2200, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.
Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Virgin Mobile 2200. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.
Sommario del manuale d’uso
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Pagina 1
VIRGINMOBILEUSA.COM M i F i ® 22 0 0 B r o a d b a n d 2 G o 3G Nationwide Wireless Internet No Contract Onl y P ay For Wh at Y ou Nee d Con nec t U p t o 5 Wi -Fi En abl ed Dev ice s a t O nce Pla ns S ta rt at Jus t $ 10[...]
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©2010 Novatel Wir eless, Inc. All rights reserved. The information con tained in this document is subject to change without notice and should not be construed as a commitment b y Novatel Wireless , I nc. Pa tents and Licenses Licensed by QU ALC OMM® Incorporated under one or more of the following pa tents: 4,901,307 5,490,165 5,056,109 5,504,773 [...]
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Cont ents P r o d u c t O v e r v i e w ....................................................... 4 M i F i ® 2 2 0 0 D e v i c e O v e r v i e w ................................................................. 5 F e a t u r e s ................................................................................. 5 P a c k a g e C o n t e n t s .......[...]
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WW AN Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 WW AN Event L og . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 WW AN Status. . . . . . . . . . . . . . . .[...]
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1 P r oduc t O v er view MiFi 2200 De vice Overview Y our MiFi 2200 Int elligent Mobile Hotspot Device P ower Management Using the micr oUSB Cable[...]
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5 M iF i® 2200 Device O ver view Thank you f or choosing the Novatel Wireless MiF i® 2200 I ntelligent Mobile Hotspot Device f or Mobile Broadband and Wi-F i! This device opera tes over high-speed Mobile Br oadband networks in the 800/1900 bands enabling you to c onnect at high speeds to the Internet, your corporate Intranet , Wi-F i-enabled devi[...]
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6 P ack age C ontents The MiF i 2200 Device package includes: • MiFi 2200 Intelligent Mobile Hotspot Device • AC Wall Char ger • Lithium Ion Battery • Carr y P ouch • microUSB cable • Quick Star t Guide Pr oduct User Guide available for do wnload at http://www .virginmobileusa.com Sy stem Requirements • Internet browser (f or example,[...]
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7 Y our M iF i 2200 I nt elligent Mobile Hotspot Device Y our MiF i 2200 Device has the following parts: 1 2 3 ➊ P ow er Button / LED : Pow ers on and o the device. The LED indicates pow er , batter y status, and roaming activity . ➋ microUSB C onnector : The A C charger connects here. ➌ Ser vice Status LED : Pr ovides information about yo[...]
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8 LED Stat es The MiF i Device LEDs provide valuable inf ormation about the state of the device and connection Ser vice Status LED No Light — Device is power ed o. Green Solid The MiF i Device is power ed on and connected to a mobile broadband network, but is not transmitting or rec eiving data. Slow Blinking The MiF i Device is power ed on bu[...]
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9 P ower Management Y our device will w ork from its battery or when plugged into a power sour ce. • Battery — The battery will last for up to four hours . Charge the battery by plugging in the AC adapter . While the battery is charging the P ower Button LED will be solid amber . When the battery is fully charged, it will be solid green. • W [...]
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2 U sing Y our M iF i 2200 Devic e Using Y our MiFi De vice f or the F irst Time C onnec t in Wi-F i Mode[...]
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11 Using Y our M iF i D evice f or the F irst Time IMPORT ANT! The MiF i 2200 Device requires an activated account in order t o function. Inser ting and Charging the Batt er y NO TE The batt er y should be fully charged bef ore using the MiF i 2200 Device for the first time. ➊ Open the battery compar tment, located on the bottom of the devic e. [...]
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12 ➌ Once the battery is secure, place the ba tter y co ver back on the device until it locks int o place. ➍ Connect the microUSB end of the A C wall charger to the micr oUSB por t of the device as shown. ➎ Plug the other end of the AC w all charger into the appr opriate electrical outlet. Charge for at least two and a half hours. CAUTION! Us[...]
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13 C onnec t in W i-F i Mode Tip! The default SSID for your MiF i D evice is Virg in Mobile MiFi2200 xxx Secure . Y our SSID and 11- digit Network Key are printed on the back of your device . ( The ‘xxx ’ are the last three characters of your MiFi Device ’ s MAC addr ess.) ➊ Use the Wi-F i manager on your computer to select your V irgin Mob[...]
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14 C onnec ting to the MiF i 2200 Device f or the F irst Time ➊ On your comput er launch a new web bro wser session. ➋ F rom your c omputer ’ s W eb browser , enter http://virginmobile .mifi into the address windo w and press the Enter or Return key . Tip! Y ou can use either of these addresses: http://virg inmobile.mifi http://192.168.1.1 [...]
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15 ➍ On the MiFi Device Setup Wizar d Ser vice Activation screen, click Y es if you already hav e an Acc ount# and MSID . Click ing No launches Virg in Mobile’ s Accoun t Creation portal where you are prompt ed to set up an accoun t. ➎ Click Next .[...]
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16 ➏ On the MiFi Device Wizard MiF i Device Activation screen, en ter the Acc ount # and MSID you receiv ed when you activated y our ser vice. ➐ Click Next .[...]
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17 ➑ Click Y es, change password , then en ter and verify the new passw ord in the appropriat e elds. Y ou hav e the option to keep the default admin passwor d, but changing the passw ord adds another level of security for you . W e strongly recommned that y ou change your passwor d. ➒ Click Next .[...]
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18 ➓ Click Finish and your MiF i Device will restar t. If your network does not reconnect automatically , you can manually reconnect to your MiF i Device using your Wi-F i manager . [See Connect in Wi-F i Mode (page 13) .] IMPORT ANT! B e sure t o recor d the new administrative password .[...]
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3 M iF i Devic e S ettings MiFi De vice Settings Basics Home P age P assword Settings W i-Fi Menu WW AN Menu Security Adv anced[...]
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20 M iF i Device Settings Basics Open MiFi Devic e S ettings ➊ Open your W eb browser and enter http://vir ginmobile.mi into the addr ess window . ➋ T ype the administrative passw ord into the L ogin box in the upper right corner and click Login. The Home page opens.[...]
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21 The Home P age The Home page is the rst screen y ou see af ter logging in and is the main point of entry for all your work. The Menu Bar The menu bar runs horizontally along the top of the MiF i Device Settings inter face. Besides allowing you to select menu items, the menu bar also displa ys information about your MiF i Device ’ s signal s[...]
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22 Home P age S ections The Home page is divided into two sections that you can e xpand or collapse. Click the solid black pointer next to the section title to expand or collapse that section. Internet Connection The Internet Connection section tells you: • Y our connection status. • The number of bytes r eceived and transmitted. This informati[...]
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23 Wi-F i The Wi-F i sec tion tells y ou: • The prole curr ently in use. • The network name (also known as the SSID). • The security method in use. • The number of users currently c onnected to your MiFi Devic e. • The IP address of and subnet mask f or the W i-Fi network. • T o change Wi-F i settings, use the Wi-F i menu. [See W i-F[...]
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24 P asswor d Settings P assword settings allo w you to change the administrative passw ord that giv es access to the brow ser interface for your MiF i2200 Device. IMPORT ANT! R ecor d your administrative passw ord. If you for get it, you will have to r eset your M iF i Device before y ou can use the MiFi Device Settings inter face again [See Maste[...]
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25 W i-F i M enu The Wi-F i menu has three components: • W i-Fi Pr ofiles — to view or change settings for y our secure prole or to set up a temporary hotspot. • MA C Filter — t o allow only certain devices to connect to your MiF i Device, based on their MA C addresses. • Status — to view pr ole information, see who is connected [...]
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26 W i-Fi P roles Click Wi-Fi Proles on the Wi-F i menu to congure your secur e prole or set up a temporary hotspot. The Wi-F i Prole page displa ys the follo wing information: • Profile — The prole currently being used . [See Choosing a Prole (page 27.) ] • Network Name (SSID ) — Name of the net work you ar e connecte[...]
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27 • Channel — The radio channel that the device is using . This should be usually set to A uto (default) and left unchanged. Av ailable channels are 1 through 11. • Security — The type of security the prole is using. This applies to the secure and the temporary hotspot proles. [See Setting Securit y (page 27). ] • Authentication ?[...]
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28 Setting Up a T emporary Hotsp ot Y ou can use this prole t o create a secur e temporar y hotspot to allow a maximum of ve connections to your MiF i Device at one time. This prole gener ates a temporary network name and network key that you can use to allow others to connect to your MiF i D evice without y our having to change the securi[...]
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29 MA C F ilter MA C ltering allows y ou to limit access t o your MiF i Device to only those devices with a specied MA C address (a unique code assig ned to hardwar e such as network adapters). The MA C Filter page allo ws you to enable or disable M AC ltering and to add or delete M AC addresses from the trust ed client list. IMPORT ANT! D[...]
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30 F inding the MA C Address The MA C Address is also known as a hardware or ph ysical address for a devic e, usually a network adapter . I t consists of six pairs of numbers and letters (f or example, 00-21-9B-1C-64-34). Y ou can view the MA C address for an y device connected to your MiF i D evice in the Wi-F i Clients section of the Wi-F i Statu[...]
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31 Status Wi-F i Status provides y ou with information about your wireless network.[...]
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32 The Wi-F i Status page is divided into three sections. Wi-F i Network The Wi-F i Network sec tion of the Wi-F i Status page displays the follo wing information: • Pr ole currently in use . • Network Name (SSID) for y our M iF i Device. • Number of clients currently connected . • Maximum number of clients allowed t o connect to your Mi[...]
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33 Wi-F i Clients The Wi-F i Clients section of the W i-Fi Status page sho ws the clients that ar e currently connected to your MiF i Device. This is another way you can nd the M AC addr ess for a particular device. Wi-F i Log ➤ Click the Wi-Fi Log butt on to view a listing of Wi-F i events (most recen t rst).[...]
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34 W W AN M enu The WW AN menu displays information about y our 3G Virgin Mobile network connection, and provides t ools for technical support. The WW AN Menu has t wo componen ts: • Diagnostics — use to view the status of your c onnection to the network , view information about your MiF i Device, or view an ev ent log about your connections to[...]
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35 Diagnostics Click Diagnostics in the W W AN menu to access status inf ormation about your Internet connection and MiFi Device .[...]
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36 The WW AN Diagnostic page is divided into three sections. WW AN Connection The WW AN Connection sec tion displays the f ollowing information: • Connection status: • Connected — connected and transmitting data • Dormant — connected but not transmitting data • Disconnected — not connected to the network • Not Activated — devic e [...]
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37 WW AN Modem The WW AN Modem sec tion displays the f ollowing inf ormation: • Manufacturer — manufac turer of y our MiFi Device . • Model — model name or number of your MIF i Device. • Firm ware version — curren t internal software (rmwar e) version. • ESN — unique number the network uses to identify your MiF i Device. • MDN [...]
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38 WW AN Event L og The WW AN Event L og section lists net work connection events and times when they oc curred. T echnical suppor t uses the log as a troubleshooting t ool.[...]
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39 WW AN Status The WW AN Status page displays inf ormation about your internet connection.[...]
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40 The WW AN Status page is divided into three sections. Internet Connection The Internet Connection section displays the follo wing information: • Status of the connection • Number of bytes r eceived and transmitt ed • Duration of the current c onnection • Y our MiF i Device ’ s IP address and subnet mask • Gateway IP addr ess • DNS [...]
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41 T raffic Counters The T rac Count ers section displays the following: • Date and time connection was made • T otal duration of connection • T otal data bytes r eceived and transmitted, plus the t otal for both dir ections This section displays both a cumulativ e (lifetime) count and a c ount for the curr ent session (which can be reset)[...]
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42 Connection L og Click Connection Log to display a log of outgoing trac sho wing these details: • Date/T ime • Client IP Addr ess (IP address of sender) • Destination (IP address of recipien t) • P or t (computer port through which data was sent) • T ype (connection protocol used)[...]
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43 A dvanced Menu The Adv anced menu allows y ou to back up and rest ore your c onguration, specify rout er settings such as DHCP , port ltering, and port for warding , and to customize power management settings . The Adv anced menu has seven componen ts: • Advanc ed O ptions — use to enable SSID br oadcast, auto- connect to the network, [...]
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44 Adv anced Settings Click Advanced Options in the Adv anced menu to congur e your MiF i Device or to enable the system log.[...]
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45 The advanced Settings page is divided int o four sections. Ac cess P oint Enabling SSID broadcasting allow s other nearby computers to see y our M iF i Device ’ s network name (SSID). This is what you see when you select “ View A vailable Wireless Networks . ” Disabling SSID broadcasting pro vides additional secur ity but you will hav e to[...]
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46 Router Enabling the DHCP ser ver allo ws your MiF i Device to automatically assig n a local IP address to a new device joining your network (such as a wir eless printer or an additional laptop). When the DHCP ser ver is disabled , you will hav e to assign static IP addresses to all devices on y our net work. ➤ Select the DHCP S erver enable ch[...]
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47 C ong F ile Click Cong F ile in the Advanced menu to back up y our conguration le (MiFi Device settings) to your comput er , or to restore a sa ved conguration le fr om your computer . The Cong F ile page is divided into two sections and allows you t o back up and restor e your MiF i Device conguration settings . Config [...]
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48 Config F ile Upload Restore y our M iF i Device Settings file to MiFi De vice ➊ Click Browse and na vigate to the backup le on y our computer . ➋ Click the le to highlight it and then click Open . ➌ Click Upload File . ➍ Click OK when the “Upload completed” message appears. IMPORT ANT! If your Wi-F i settings have changed sin[...]
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49 P or t Filt ering Click P or t F iltering in the Advanced menu to enhance the security of your sy stem by contr olling which applications are allo wed to acc ess the Internet. P or t ltering allows y ou to conser ve bandwidth by pr eventing non-business applications fr om accessing the Internet. It can also be used to specically allow cert[...]
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50 Port Filtering for Standard Applications ➊ F rom the P or t Filt ering page, select the Enable Port F iltering check box. ➋ Select the check boxes f or the applications for which y ou want to allow ac cess to the Internet. ➌ Click Apply . NO TE MiFi Device uses standard ports for these applications. If you have applica tions that do not us[...]
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51 ➍ Enter the port or por t range. Y ou can enter up to ve ports or por t ranges. • Single por t — enter the port number in both elds. • P or t range — enter the beg inning por t number in the left eld and the ending por t number in the right eld. ➎ F or each por t number or range, select the protocol ( T CP , UDP , or both[...]
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52 P or t F or war ding P or t forwarding allows desig nated users or applications to r each specied ser vers, such as FTP and DNS ser vers , on your comput er . Also, some online games requir e incoming access to work properly . IMPORT ANT! Y ou will need to set up static IP addresses on y our WLAN for each device that has an application to whi[...]
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53 P ow er Management When your MiF i D evice is on batt er y power , you can set the length of time bef ore it shuts down. Y ou can also turn o your MiFi Devic e ’ s LEDs to sav e additional power . Use the P ower Management page to set how long y our MiFi Device is idle bef ore it shuts down. ➊ F rom the P ower Management page, select the [...]
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54 T CP/IP The TCP/IP page allows y ou to view the local ( WLAN) IP address and the MA C address for your MiF i Device. F rom the A dvanced menu, click TCP/IP to displa y the following information about y our MiFi Device: • Local IP addr ess • Subnet mask • MA C address of your MiF i Device • DHCP address range used b y your MiFi Devic e ?[...]
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55 Sy stem Status The Sy stem Status page allow s you to view r eal-time system inf ormation and the system log , and to restart your MiFi Device or r estore it to factory defaults. F rom the A dvanced menu, click S ystem Status to displa y the following inf ormation about your MiFi Device: • Manufacturer • Model • Serial number • AP (acces[...]
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56 Restar ting or Resetting Y our MiFi Device In addition to viewing status information, y ou can restart your MiFi Device or reset it t o factor y defaults from the Sy stem Status page . ➤ Click Restart to re -initialize your MiF i Device (same as turning it o and on again). – or – ➤ Click Reset to F ac tor y Defaults to r eset your MiF[...]
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4 T r oubleshooting Over view C ommon Pr oblems and Solutions Use the Master Reset Button T echnical Suppor t[...]
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58 O v er view The follo wing tips will help solve problems that might be encount ered while using the MiF i 2200 Device: • Make sure you ar e using the MiFi 2200 Device in the corr ect geographic region. • Ensure that the wir eless network ’ s cov erage ex tends to y our current locations . • If you are using the MiF i Device in Wi-F i M o[...]
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59 C ommon P roblems and Solutions The follo wing are some common problems and solutions. No service is av ailable. - OR - I get a “Limited or No C onnec tivity” message. ➤ Y ou are outside of the c overage ar ea. ➤ Check with your network operat or — there may be a pr oblem with your acc ount. ➤ Reorient MiFi Device . ➤ If you are in[...]
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60 I cannot connect to MiFi Devic e in W i-Fi mode . ➊ Make sure the LEDs are on. If the LEDs are not on, check your battery . ➋ Make sure your wir eless radio / AirP or t is turned on. (Check your computer help if y ou need assistance.) ➌ Open your wireless netw ork connection list. • Windo ws: Right-click icon and selec t Vie w Available [...]
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61 How can I check the ba ttery level of MiF i Device? Open MiFi Device Settings (http://192.168.1.1). The batter y status icon is displa yed in the menu bar . Can I backup m y configur ation settings? Y es. L ogin to MiFi Device Settings and choose Advanced>C ong File. Click Do wnload File. [See C ong F ile (page 47) .] How do I tur n o?[...]
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62 Use the Master Reset Button The MiF i 2200 Device comes with a Master Reset button that allow s you to r eturn it to its factor y default state . The Master Reset button is rec essed in a hold on the back of the device. Y ou will need a paperclip or similar object to push the button. ➊ Make sure the MiFi Device is po wered on. ➋ Locat e the [...]
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63 T echnical Suppor t F or additional information and technical suppor t f or the MiFi 2200 Device , visit the Virgin Mobile USA website at: http://www.vir ginmobileusa.com[...]
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5 T echnical I nf ormation Pr oduc t Specications Regulatory Notices Safety Hazards Limited W arranty and Liability[...]
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65 P roduc t Specications General Name Novat el Wireless MiF i 2200 Device Model MiFi 2200 Approv als C OFETEL, NOM, CDG W eight 58 g / 2.05 oz Dimensions ( W x D x H) 59 mm x 9 mm x 89 mm Wir eless Network — Dual Mode CDMA 1X/EV-DO Wir eless Network — Wi-F i M ode 802.11 b/g Default SSID Vir ginMobile MiFi2200 xxx Secure (plus the last 3 di[...]
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66 Regulator y Notices CE Marking This device has been test ed to and conf orms to the essential regulat or y requir ements of the European Union R&T TE directive 1999/5/EC and has attained CE Marking. F ederal Communic ations Commission Notice (FC C – United States) This equipment has been test ed to , and found to be within the acceptable l[...]
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67 NO TICE TO C ONSUMERS: Any changes or modication not expr essly approv ed by the part y responsible f or compliance could v oid the user ’ s authority to operate this equipment. NO TE: The Radio Fr equenc y (RF) emitter installed in your modem must not be located or oper ated in conjunction with any other antenna or tr ansmitter , unless sp[...]
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68 Safety Hazar ds Do not use your MiFi 2200 Devic e in an environmen t that may be susceptible t o radio interference resulting in danger , specically : Areas where pr ohibited by the law F ollow any special rules and regulations and obey all sig ns and notices. Alw ays turn o MiFi Devic e (or the host device and remo ve the modem from the U[...]
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69 SAR Le vels The FC C has granted an Equipment A uthorization for this wireless modem with all r epor ted SAR levels evaluat ed as in compliance with the FC C RF exposure guidelines. Pr oper Battery Use and Disposal W ARNING! • Never dispose of batteries in a r e because they might explode. In the event of a battery leak : • Do not a[...]
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70 Limited W ar ran ty and Liabilit y Novat el Wireless warrants f or the 12 month period immediately following r eceipt of the P roduct by P urchaser that the P roduct will be free from def ec ts in material and workmanship under normal use. THESE W ARR ANTIES ARE EXPRESSL Y IN LIEU OF ALL OTHER W ARRANTIES, EXPRESS OR IMPLIED , INCL UDING, WITHOU[...]
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6 Glossar y Glossar y[...]
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72 Glossar y ● 3G — Third Generation. 3G ref ers to the third generation of mobile telephony t echnology . The evolution of 3G technology is as f ollows: GSM technologies » GPRS offer ed speeds up to 48.8 Kbps (began in 2000). » EDGE reached up t o 384 Kbps (2003). » WCDMA off ered downlink speeds up t o 1.02 Mbps. » UMT S suppor ts a the[...]
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73 ● DNS — Domain Name System. A system f or converting host names and domain names into IP addresses on the Internet or on local networks that use the T CP/IP protocol . ● EDGE — Enhanced Data for GSM En vironment or Enhanced Data rates f or Global Evolution. A faster version of GSM wireless service, it allows data to be deliver ed at rate[...]
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74 ● HTTP — H yper text T ransfer Pr otocol. An application-level protocol f or accessing the W orld Wide W eb over the Internet. ● IEEE — Institute of Electr ical and Electronics Engineers . An international technical/prof essional societ y that promotes standar dization in technical disciplines. ● IMAP — Internet M essage Access P rot[...]
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75 ● NNTP — Network News T ransfer P rotocol. An Internet application protocol f or reading and posting Usenet (newsgroup) articles. ● PC Card — PCMCIA ’ s hardware standar d for peripheral devices for laptop computers . Superseded by the ExpressCar d. ● PCMCIA — P ersonal Computer Memor y Card International Association. An internatio[...]
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76 ● SIM — Subscriber Identification Module. F ound in GSM net work technology , the SIM is a card containing identification information f or the subscriber and their account. The SIM card can be moved to diff erent devices. ● SMS — Shor t Message Ser vice. A ser vice for sending short messages of up to 160 (224 in 5-bit mode) characters[...]
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Pagina 78
77 ● W AN — Wide Area Network . A public network that ex tends beyond ar chitectural, geographical , or political boundaries (unlike a LAN, which is usually a pr ivate network located within a room, building , or other limited area). ● WCDMA — Wideband Code-Division Multiple Access. A 3G mobile wireless technology that pr omises much higher[...]