Due to the nature of wireless communications, transmission and reception of data
can never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be
totally lost. Although significant delays or losses of data are rare when wireless
devices such as the Sierra Wireless mobile hotspot are used in a normal manner
with a well-constructed network, the Sierra Wireless mobile hotspot should not be
used in situations where failure to transmit or receive data could result in damage
of any kind to the user or any other party, including but not limited to personal
injury, death, or loss of property. Sierra Wireless accepts no responsibility for
damages of any kind resulting from delays or errors in data transmitted or
received using the Sierra Wireless mobile hotspot, or for failure of the Sierra
Wireless mobile hotspot to transmit or receive such data.
Do not operate the Sierra Wireless mobile hotspot in areas where blasting is in
progress, where explosive atmospheres may be present, near medical
equipment, near life support equipment, or any equipment which may be
susceptible to any form of radio interference. In such areas, the Sierra Wireless
mobile hotspot MUST BE POWERED OFF. The Sierra Wireless mobile hotspot
can transmit signals that could interfere with this equipment.
Do not operate the Sierra Wireless mobile hotspot in any aircraft, whether the
aircraft is on the ground or in flight. In aircraft, the Sierra Wireless mobile hotspot
MUST BE POWERED OFF. When operating, the Sierra Wireless mobile hotspot
can transmit signals that could interfere with various onboard systems.
Limitation of
Liability
Note: Some airlines may permit the use of cellular phones while the aircraft is on the
ground and the door is open. Sierra Wireless mobile hotspots may be used at this time.
The driver or operator of any vehicle should not operate the Sierra Wireless
mobile hotspot while in control of a vehicle. Doing so will detract from the driver or
operator's control and operation of that vehicle. In some states and provinces,
operating such communications devices while in control of a vehicle is an offence.
The information in this manual is subject to change without notice and does not
represent a commitment on the part of Sierra Wireless. SIERRA WIRELESS AND
ITS AFFILIATES SPECIFICALLY DISCLAIM LIABILITY FOR ANY AND ALL
DIRECT, INDIRECT, SPECIAL, GENERAL, INCIDENTAL, CONSEQUENTIAL,
PUNITIVE OR EXEMPLARY DAMAGES INCLUDING, BUT NOT LIMITED TO,
LOSS OF PROFITS OR REVENUE OR ANTICIPATED PROFITS OR REVENUE
ARISING OUT OF THE USE OR INABILITY TO USE ANY SIERRA WIRELESS
PRODUCT, EVEN IF SIERRA WIRELESS AND/OR ITS AFFILIATES HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR THEY ARE
FORESEEABLE OR FOR CLAIMS BY ANY THIRD PARTY.
Notwithstanding the foregoing, in no event shall Sierra Wireless and/or its
affiliates aggregate liability arising under or in connection with the Sierra Wireless
product, regardless of the number of events, occurrences, or claims giving rise to
liability, be in excess of the price paid by the purchaser for the Sierra Wireless
product.
Rev 2 Jun.113
Sierra Wireless AirCard 753S Mobile Wi-Fi User Guide
PatentsThis product may contain technology developed by or for Sierra Wireless Inc. This
product includes technology licensed from QUALCOMM
manufactured or sold by Sierra Wireless Inc. or its affiliates under one or more
patents licensed from InterDigital Group.
This chapter provides an overview of the Sierra Wireless
AirCard 753S Mobile Wi-Fi features, and instructions on how to set
up your Sierra Wireless Mobile Wi-Fi and connect to the Internet.
Know your device
Your Mobile Wi-Fi enables you to create a Wi-Fi access point
anywhere there is cellular network coverage. You can use that Wi-Fi
access point to connect your laptop and other devices to the Internet.
You can also use your Mobile Wi-Fi in tethered mode by connecting it
to your laptop with the USB cable.
GPS is also supported.
1
Rev 2 Jun.117
Sierra Wireless AirCard 753S Mobile Wi-Fi User Guide
Power button
Desired resultAction
Turn Mobile Wi-Fi onPress and hold the Power button for a few seconds.
Turn Mobile Wi-Fi offPress and hold the Power button for a few seconds.
Wake up LCD screenPress and quickly release the Power button.
Enter Dashboard modeDouble-click the Power button.
Respond to prompts on
the LCD screen
Press and quickly release the Power button when prompted
to do so by the LCD screen. (This is used to confirm an
action.)
Mute switch
The Mobile Wi-Fi automatically beeps when the connection status changes, when
you receive an alert, etc. To turn these beeps off, move the Mute switch so the red
rectangle is visible.
LCD
As well as providing setup information (Wi-Fi Network Name (SSID) and Security
Key) the Mobile Wi-Fi LCD displays:
•Instructions during setup
•Status messages such as “Setup in progress”, “Searching for network”,
“Connected”, etc.
•Status icons (See Icons on the LCD screen on page 9 for details.)
•The amount of data transmitted
•Network name
•Error messages (See Alerts on page 27 for troubleshooting suggestions.)
Dashboard mode
More detailed information and instructions are available in the LCD Dashboard
mode. To access the Dashboard, double-click the Power button. Double-click the
Power button again to cycle through the Dashboard pages.
The information and instructions available on the Dashboard include:
•Connection information (Wi-Fi Network Name (SSID) and Security Key)
•Messages / Alerts
•Billing information
•Information about the Mobile Wi-Fi such as the Wi-Fi network range, network
preference, firmware version, etc.
•WPS setup instructions
82400097
Icons on the LCD screen
Ultimate-xxxx
Security Key: xxxxxxxx
Signal strength
Network type
Roaming
GPS
Wi-Fi users
Battery
Power LED
Network Name and
Security Key
DC
3G
DC
4G
3G
DC
3G
The icons on the LCD screen indicate the status of the Mobile Wi-Fi.
Get Started
IconIndicates
Signal strength
The more bars the stronger the RF signal.
No signal.
The type of network available.
DC—Dual Carrier HSPA+
3G—HSPA, HSPA+
Network icon with a black background
Service is available, but the Mobile Wi-Fi is not connected to the
network.
Network icon with a white background
The Mobile Wi-Fi is connected to the network.
Roaming
Messages
You have messages or alerts. To view your messages and/or alerts, go
to the homepage and click the Messages icon.
Rev 2 Jun.119
Sierra Wireless AirCard 753S Mobile Wi-Fi User Guide
x
IconIndicates
GPS
When the icon is animated, the Mobile Wi-Fi is trying to obtain a satellite
fix or is tracking a location.
Wi-Fi users
The number beside the Wi-Fi icon shows the number of users (devices)
connected to your Wi-Fi network.
Wi-Fi radio is disabled.
You can enable Wi-Fi on the device homepage. See The Wi-Fi radio is
disabled icon appears on the LCD screen. on page 25.
Battery status
Indicates the charge status of the battery.
4 bars —80–100%
1 bar — 10–29%
Battery outline (no bars) — 0–9%
Recharge immediately.
Battery charging
No battery.
The Mobile Wi-Fi is powered on and connected to the AC charger.
The battery is charging through a USB connection.
The exclamation mark (!) in the battery outline indicates that the battery
is not recharging because the device is too hot to charge.
Make sure there is room for air to circulate around the device. If the
problem persists, move the device to a cooler environment.
LED
The blue LED on the top of the Mobile Wi-Fi flashes:
•Slowly to indicate that it is powered on
•Quickly when the firmware is being updated
Accessories
•Micro USB cable—Used mainly for recharging the battery, although you can
also use it to tether the Mobile Wi-Fi to your computer
•AC adapter—Used to recharge the battery or to power the Mobile Wi-Fi from
a wall socket
102400097
Get Started
Optional accessories
Depending on your service provider, some or all of the following accessories may
be included in the box (or you can purchase these from www.sierrawireless.com/
wheretobuy/onlinestore/default.aspx or from local distributors in some regions (for
example, Australia)):
•Rechargeable extended battery
•Car charger
•Desk cradle
•External antennas
Power sources
You can power your Mobile Wi-Fi from:
•Rechargable battery included with the Mobile Wi-Fi
•USB port on your computer
•Wall socket using the AC adapter
You can also use any of the following optional items:
•Rechargeable extended battery
•Car charger
•Cradle
Battery life
Battery Life depends on a number of factors, including Wi-Fi strength and network
signal strength. If your Wi-Fi is set for short range and you have good network
signal strength, you can expect the battery to last about 4 hours.
Set up and connect to the Internet
Insert the SIM card
To insert the SIM card:
1. Remove the back cover.
Rev 2 Jun.1111
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