MF656A
USB Modem
User Manual
Introduction
The USB modem is a multi-mode 3G modem. With a USB interface
connecting to your laptop or desktop computer, it supports data and SMS
services through the mobile USB modem network, helping you realize
mobile communication anytime and anywhere.
Hardware Installation
Installing the SIM/USIM Card
1. Remove the back cover on the mode m.
2. Hold your SIM/USIM card with the cut corner oriented
as shown and then slide it into the card holder with t he
metal contacts facing the modem .
3. Replace the back cover.
Installing the Memory Card
Only microSD card is supported by the modem and
do not insert other memory cards into the modem.
Insert the microSD card, orientated as shown, into
the holder until you hear a click.
Notes: The logo is a trademark.
Connecting the USB Modem to Your Computer
Remove the modem cap and plug the modem firmly into a USB port on your
computer.
Software Installation
On different operating systems, the software installation procedures may be
different. Please follow the general guide below and the system prompts
during installation.
• For Windows XP, Vista and Windows 7
When you connect the modem to your PC correctly, the system
automatically recognizes it as a CD-ROM and starts the software
installation wizard. If the system does not launch the installation wizard
automatically, please start it by running the executable file in the new
CD-ROM directory.
• For Mac OS
The system will automatically display a new CD-ROM icon on the desktop,
when you connect the modem to your Mac correctly. Double click the
installation software package in the CD-ROM, and follow the system
prompts to complete the software installation.
Functions
Click the following buttons to access each function.
Connect Connect to the Internet.
SMS Send and receive text messages.
USB modembook Manage contacts information.
Settings Configure the USB modem settings.
Data records Show connection information.
LED Lights
k
k
k
Red Power on, but not registered to a networ
Green solid Registered to a networ
Green blinking Active data transfer on the networ
Warning and notice
Health and safety information
Radio Frequency (RF) Energy
This model USB modem meets the government’s requirements for
exposure to radio waves.
This USB modem is designed and manufactured not to exceed the
emission limits for exposure to radio frequency (RF) energy set by the
Federal Communications Commission of the U.S. Government:
The exposure standard for wireless mobile USB modems employs a
unit of measurement known as the Specific Absorption Rate, or SAR.
The SAR limit set by the FCC is 1.6W/kg. *Tests for SAR are
conducted using standard operating positions accepted by the FCC
with the USB modem transmitting at its highest certified power level in
all tested frequency bands. Although the SAR is determined at the
highest certified power level, the actual SAR level of the USB modem
while operating can be well below the maximum value. This is
because the USB modem is designed to operate at multiple power
levels so as to use only the poser required to reach the network. In
general, the closer you are to a wireless base station antenna, the
lower the power output.
The highest SAR value for the model USB modem as reported to the
FCC is 1.13 W/kg (Body-worn measurements)
While there may be differences between the SAR levels of various
USB modems and at various positions, they all meet the government
requirement.
The FCC has granted an Equipment Authorization for this model USB
modem with all reported SAR levels evaluated as in compliance with
the FCC RF exposure guidelines. SAR information on this model
USB modem is on file with the FCC and can be found under the
Display Grant section of http://www .fcc. gov/oet/fccid after searching
on
FCC ID: Q78-MF656A
For body worn operation, this USB modem has bee n tested and meet s
the FCC RF exposure guidelines and the positions the modem with a
minimum of 0.5 cm from the body.
FCC Compliance （only Part 15B）
This device complies with part 15 of the FCC Rules. Operation is
subject to the condition that this device does not cause harmf ul
interference.
NOTE: This equipment has been tested and found to comply with the
limits for a Class B digital dev ice, purs uant to p art 15 of the FC C Rule s.
These limits are designed to provide reasonable protection against
harmful interference in a residential install ati on . Thi s e quipment
generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
Caution: Changes or modifications not expressly approved
by the manufacturer could void the user’s authority to
operate the equipment.
harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equ ipme nt off an d
on, the user is encouraged to try to correct the interference by one or
more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
—Consult the dealer or an experienced radio/ TV technician for help.
To the owner
• Some electronic devices are susceptible to electromagnetic interference
sent by modem if inadequ ately shielded, such as the electr onic system of
vehicles. Please consult the manufacturer of the device before using the
modem if necessary.
• Operating of laptop and desktop PCs and the modem may interfere with
medical devices like hearing aids and pacemakers. Please always keep
them more than 20 centimeter s away f ro m such medical d ev ices when they
are turned on. Turn the modem off if necessary. Consult a physician or the
manufacturer of the medical device before using the modem.
• Be aware of the usage limitation wh en usi ng a modem at places such as o il
warehouses or chemical factories, where there are explosive gases or
explosive products being processed. Turn off your modem if required.
• The use of electronic transmitting devices is forbidden in aircrafts, at petrol
stations and in hospitals. Please observe and obey all warning signs and
switch off your modem in these conditions.
• Do not touch the inner antenna area if not necessary. Otherwise it will
affect your modem’s performance.
• Store the modem out of the reach of little children. The modem may cause
injury if used as a toy.
Using your USB Modem
• Please use original accesso ries or accessories that are au t horized. Using any
unauthorized accessories may affect your modem’s performance, and
violate related national regulations about telecom terminals.
• Avoid using the modem near or inside metallic structures or establishments
that can emit electromagnetic waves. Otherwise it may influence signal
reception.
• The modem is not waterproof. Please keep it dry and store in a shady and
cool place.
• Do not use the modem immediately after a sudden temperature change. In
such case, it will produce dew inside and outside the modem, so don’t use
it until it becomes dry.
• Handle the modem carefully. Do not drop, bend or strike it. Otherwise the
modem will be damaged.
• No dismantling by non-professionals and only qualified technicians can
undertake repair work.
• Operating temperature range of -10℃ ~ +60℃ and humidity range of 5%
~ 95% are recommended.
Limited Warranty
• This warranty does not apply to defects or errors in the Product caused by:
i. Reasonable abrasion.
ii. End User’s failure to follow ZTE’s installation, operation or
maintenance instructions or procedures.
iii. End User’s mishandling, misuse, negligence, or improper installation,
disassembly, storage, servicing or operation of the Product.
iv. Modifications or repairs not made by ZTE or a ZTE-certified individual .
v. Power failures, surges, fire, flood, accidents, actions of third parties or
other events outside ZTE’s reasonable control.
vi. Usage of third-party products, or usage in conjunction with third-party
products provided that such defects are due to the combined usage.
vii. Any other cause beyond the range of normal usage intended for the
Product.
End User shall have no righ t to reject or return the Product, or r eceive a
refund for the Product from ZTE under the above-mentioned situations.
• This warranty is End User’s sole remedy and ZTE’s sole liability for
defective or nonconforming items, and is in lieu of all other warranties,
expressed, implied or statutory, including but not limited to the implied
warranties of merchantability and fitness for a particular purpose, unless
otherwise required under the mandatory provisions of the law.
Limitation of Liability
ZTE shall not be liable for any loss of profits or indirect, special, incidental
or consequential damages resulting from or arising out of or in connection
with using of this product, whether or not ZTE had been advised, knew or
should have known of the possibility of such damages, including, but not
limited to lost profits, interruption of business, cost of capital, cost of
substitute facilities or product, or any downtime cost.
LEGAL INFORMATION
Copyright © 2010 ZTE CORPORATION.
All rights reserved.
No part of this publication may be excerpted, reproduced, translated or
utilized in any form or by any means, electronic or mechanical, including
photocopying and microfilm, without the prior written per mission of ZTE
Corporation.
The manual is published by ZTE Corporation. We reserve the right to make
modifications on print errors or update specifications without prior notice.
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