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Huawei B681 manual

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The rules should oblige the seller to give the purchaser an operating instrucion of Huawei B681, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

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First and foremost, an user manual of Huawei B681 should contain:
- informations concerning technical data of Huawei B681
- name of the manufacturer and a year of construction of the Huawei B681 item
- rules of operation, control and maintenance of the Huawei B681 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Huawei B681 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Huawei B681, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Huawei service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Huawei B681.

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Table of contents for the manual

  • Page 1

    1 B68 1 Quick S tart Note:  Figures in this guide are only for your reference. For details about t he particular model you have chosen, contact y our service provider.  Check the information about the produ ct and its accessories when y ou purchase it. Some accessories are not prov ided in the product package. If necessary, contact your local[...]

  • Page 2

    2 Appe arance 1. Power button 2. Wi -Fi/WPS button 3. Wi -Fi/WPS indicator 4. Network status indicator 5. Power indicator 6. LAN indicators 7. Externa l antenna por t 8. Telephone port 9. Power port 10 . LAN ports Indicators Indicator Status Wi -Fi/WPS indicator  Steady on: W i -Fi turned on or data transf er in progress .  Blinking: WPS conn[...]

  • Page 3

    3 2 Installation Installing the SIM Card Step 1 Slide the ca rd cov er off . Step 2 Insert the SIM card into the card slot . Ensure t hat the gold contact area faces down and that the beveled edge of the SIM card aligns with that of the card slot . Step 3 Slide the card cover back onto the device . Attention: Before removing the SIM card, ensure th[...]

  • Page 4

    4 (Optional) Inst alling an External Antenna In areas with poor network coverage, connect an external antenna to the dev ice's external antenna port . Sc rew the external antenna in fully , as s hown in the following figure. Note:  Skip this section if y ou do not need to connect an ex ternal antenna to the device.  Before using an exter[...]

  • Page 5

    5 Connecting t o a C om puter Use an Ethernet cable to connect a computer to one of the device's LAN port s, as shown in the following figure. When the co nnection between the device and the computer is set up, the device's corresponding LAN indicator turns on. Ensure that the Ethernet cable is no longer than 100 meters (328 feet). Connec[...]

  • Page 6

    6 4 Setting Up a Wi reless Connection Turning the Devic e's Wi - Fi On By default, t he device 's Wi - Fi automat i cally turns on when the device is pow ered on .  To manually turn Wi - Fi off, pres s and hold for 2 seconds, and then release your finger. turns off.  To manually turn Wi - Fi on , press and hold until tur ns steady o[...]

  • Page 7

    7 5 Using the Web Management Page Y ou can configure and manage the de vice settings using the web manageme nt page. Step 1 Launch a web browser, and enter h ttp://1 92.168 .1.1 in the addre ss bar. Step 2 Enter the password, and log in t o the web manage ment page. The default password is admin . Note:  To protect your device, only one user can[...]

  • Page 8

    8 7 Restoring Factory Def ault s If you are unc ertain of which set tings you have configur ed or changed, you can restore the fact ory defau lts that the device c ame with, and the n reconfi gure the device. T o restore the factory defaults , Use a sharp - pointed obj ect to pr ess and ho ld the RESET button until all indicators ( , and ) blink. A[...]

  • Page 9

    9 9 Safety Information This sec tion co ntains impor tant infor mation per taining t o the oper ating ins tructio ns of your device . It also cont ains information about how to use the dev ice safely . Read t his inform ation ca refully b efore usi ng your d evice. Electronic Device Do not use your device if us ing your device is prohibit ed. Do no[...]

  • Page 10

    10 aircraft and disrupt the w ireless telephone network. It may als o be considered illegal. Operating En vironment  Do not use or charge the dev ice in dusty , damp, and dirty places or places with magnetic fields. Otherwise, it may re sult in a malfunction of the ci rcuit.  While using the device, observe the lo cal laws and regulations, an[...]

  • Page 11

    11  Do not drop, throw , or bend your wireless device.  Do not use any chemical deter gent, powder , or other chemical age nts (such as alcohol and benzene) to clean the dev ice and the charger . Otherwise, parts of the device may be damaged or a fire can be caused. Y ou can clean the dev ice and the charger with a piece of damp and soft anti[...]

  • Page 12

    12 Copyright © Huawei Technologi es Co., Ltd. 201 2 . All rights reserved. No part o f this docu ment may be reproduced or transmi tted in any f orm or by any means without pr ior writt en conse nt of Hua wei T echnologies Co., Ltd. The produc t des cribed in this manua l may include c opyrighte d sof tware o f Huawei T echnolog ies Co., Lt d . an[...]