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Huawei MMC255u Quick Start Manual

Wcdma wireless data terminal


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Warnings and Precautions

To use the device properly and safely, read these warnings
and precautions carefully and strictly observe them during
Unless otherwise specified, the device described in
this chapter also involves its accessories.
Basic Requirements
• During storage, transportation, and operation of the device,
keep it dry and prevent it from colliding with other objects.
• Do not dismantle the device. In case of any fault, contact
an authorized service center for assistance or repair.
• Without authorization, no organization or individual can
change the mechanical, safety, or performance design of
the device.
• When using the device, observe all applicable laws and
regulations and respect the legal rights of other people.
Other Requirements
Environmental Requirements for Using the
• Before connecting and disconnecting cables, stop using
the device, and then disconnect the device from the power
supply. Ensure that your hands are dry during operation.
• Keep the device far from sources of heat and fire, such as
a heater or a candle.
• Keep the device far from electronic appliances that
generate strong magnetic or electric fields, such as a
microwave oven or a refrigerator.
• Place the device on a stable surface.
• Place the device in a cool and well-ventilated indoor area.
Do not expose the device to direct sunlight. Use the device
in an area with a temperature ranging from 0ºC to 40ºC.
• Do not block the openings on the device with any object.
Reserve a minimum space of 10 cm around the device for
heat dissipation.
• Do not place any object (such as a candle or a water
container) on the device. If any foreign object or liquid
enters the device, stop using the device immediately,
power it off, remove all the cables connected to it, and then
contact an authorized service center.
• During thunderstorms, power off the device, and then
remove all the cables connected to it to prevent it from
getting damaged due to lightning strikes.
Precautions for Using Wireless Devices
• When using the device, ensure that the antenna of the
device is at least 20cm from all parts of your body.
• Do not use the device where using wireless devices is
prohibited or may cause interference or danger.
• The radio waves generated by the device may interfere
with the operation of electronic medical devices. If you are
using any electrical medical device, contact its
manufacturer for the restrictions on the use of the device.
• Do not take the device into operating rooms, intensive care
units (ICUs), or coronary care units (CCUs).


Table of Contents

Summary of Contents for Huawei MMC255u

  • Page 1: Warnings And Precautions

    Warnings and Precautions • Keep the device far from electronic appliances that To use the device properly and safely, read these warnings generate strong magnetic or electric fields, such as a and precautions carefully and strictly observe them during microwave oven or a refrigerator. operation.
  • Page 2 Other Requirements Areas with Inflammables and Explosives Maintenance • Do not use the device where inflammables or explosives • If the device is not used for a long time, power it off, and are stored, for example, in a gas station, oil depot, or then remove all the cables connected to it.
  • Page 3: Packing List

    Wireless Data Terminal (hereinafter referred to as the functions. It supports external memories, and photos in MMC255u). the external memory can be copied to the MMC255u. Moreover, you can send multimedia messages to the MMC255u by using a mobile phone, thus sharing happy Packing List moments with your family and friends.
  • Page 4: Functions Of Keys

    Then the backlight is on, and you can perform operations through the keys. By touching the keys on the MMC255u panel, you can easily play with the MMC255u. The functions of the keys are listed as follows: Function Switch between the play modes.
  • Page 5: Quick Start Guide

    SIM card clicks into position. Adjusting the Support The support at the back of the MMC255u can rotate by 270 degrees. If the support rotates clockwise by 90 degrees, the MMC255u can stand horizontally on the To remove the SIM card, slightly push the card into table, as shown in the following figure.
  • Page 6 Switching On the MMC255u If the support rotates anticlockwise by 180 degrees, the Switching On the MMC255u MMC255u can stand vertically on the table, as shown in the following figure. Press and hold the power button at the rear panel of the MMC255u for at least two seconds.
  • Page 7: Inserting A Memory Card

    2 mm, and you can remove it. mode. Playing Photos Touch to display the main menu. When the MMC255u is powered on for the first time, the Select My album. Touch and then select system plays the usage wizard pictures by default. After Local. Touch...
  • Page 8: Technical Specifications

    Appendix FAQs Technical Specifications A SIM card is inserted into my MMC255u. Can I use the MMC255u to send short messages or Item Description make phone calls? Photo format JPEG, BMP, and GIF No. The MMC225u can only receive multimedia...
  • Page 9: Trademarks And Permissions

    Copyright © Huawei Technologies Co., Huawei Technologies Co., Ltd reserves the right to change or modify any information or specifications contained in this Ltd. 2009. All rights reserved. manual without prior notice or obligation. No part of this document may be reproduced or transmitted...

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